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The Hidden Palace Prototype Collection

The Hidden Palace (https://hiddenpalace.org/) is a community dedicated to the preservation of video game development media (such as prototypes, hardware, source code, artwork, and more). The website is a catalog for the items that we and others are able to collect and share. 


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The Hidden Palace Prototype Collection
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Sonic The Hedgehog 2 (Early prototype) (dumped by hidden palace.org) Full Hidden Palace information page is here:  https://hiddenpalace.org/Sonic_the_Hedgehog_2_(Nick_Arcade_prototype) Build date 1992 Dump status Released Dumped by drx Origin Encased Mega Drive EPROM cartridge ( 171-5694-01 ) EPROMs 4x 27c020 (1MB) Labels Holographic case label, EPROMs labeled Sonic 0, 1, 2 and 3 Ownership Unknown (1992-2006), drx  (2006-present) Game Sonic the Hedgehog 2 System Sega Mega Drive Genre Platform...
The Hidden Palace Prototype Collection
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eye 1,452

favorite 9

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A prototype of Sonic the Hedgehog 3 for the Sega Mega Drive. https://hiddenpalace.org/ Sonic_the_Hedgehog_3_(Nov_3,_1993_prototype) Build date Nov 3, 1993 Dump status Released Dumped by drx Released by drx File release date November 16, 2019 Origin EPROMs Lot Sonic Month 2019 Labels Sonic 3 MD 3/11 Dump method True-USB PRO GQ-4X Ownership drx (2019-Present) Game Sonic the Hedgehog 3 System Sega Mega Drive Genre Platform Final build JP  Nov 20, 1993 EU  Nov 20, 1993 US  Nov 20, 1993...
Topics: sonic, the, hedgehog, three, III, 3, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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eye 999

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An unreleased prototype of South Park for the Game Boy Color. Hidden Palace URL: https://hiddenpalace.org/ South_Park_(Game_Boy_Color)_(prototype) Dump status Released Released by DaKoolDood Ownership David Theodore Game South Park (Game Boy Color) System Game Boy Color Genre Platform Release date Unreleased Was later reworked into Mary-Kate & Ashley: Get a Clue! in USA and Maya the Bee & Her Friends in Europe.
Topics: unreleased, gameboy, colour, prototype, eprom, rom, platform, hidden, palace
The Hidden Palace Prototype Collection
software

eye 835

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The prototype build  0525  of Sonic & Knuckles, dated May 25, 1994, 15.28. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_%26_Knuckles_(May_25,_1994_prototype) Build date May 25, 1994 13:28:36 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SONIC3/ S3_0525.ZIP/S3.C04 + S3.C05 + S3.C06 + S3.C07 + S3.C08 + S3.C09 + S3.C10 + S3.C11 Game Sonic & Knuckles System...
Topics: sonic, and, &. knuckles, eprom, rom, prototype, sega, genesis, mega, drive
The Hidden Palace Prototype Collection
software

eye 581

favorite 1

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A late prototype of Wolfenstein 3D for the Nintendo SNES. https://hiddenpalace.org/ Wolfenstein_3D_(Prototype_B) Dump status Released Dumped by Danny Cowan Released by Danny Cowan File release date December 31, 2014 Origin EPROM cartridge Labels Wolfenstein 3D Game Wolfenstein 3D System SNES Genre FPS Release date JP  Feb 10, 1994 US  Mar 1994 EU  1994 See Also: Original release post on Dreams and Friends .
Topics: wolfenstein, 3d, 3, d, eprom, rom, prototype, b, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
software

eye 771

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A late prototype of Sonic the Hedgehog 2 for the Sega Mega Drive. https://hiddenpalace.org/ Sonic_the_Hedgehog_2_(CENSOR_prototype) Dump status Released Dumped by CENSOR Released by CENSOR File release date November 9, 1992 Origin EPROM Cartridge Lot Old Scene (BBS) Files SONIC2.LZH Game Sonic the Hedgehog 2 System Sega Mega Drive Genre Action Platformer Final build Sep 29, 1992 10:33:00 Release date JP  Nov 21, 1992 US  Nov 24, 1992 EU  Nov 24, 1992  The Cutting Room Floor research This...
Topics: sonic, the, hedgehog, 2, two, II, eprom, rom, sega. mega, drive, genesis, prototype, censor
The Hidden Palace Prototype Collection
software

eye 441

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A prototype of Sonic the Hedgehog 2 for the Sega Mega Drive. https://hiddenpalace.org/ Sonic_the_Hedgehog_2_(Aug_21,_1992_prototype) Build date Aug 21, 1992 Build name Alpha Dump status Released Dumped by drx Released by drx File release date November 9, 2019 Origin EPROMs Lot Sonic Month 2019 Labels MD Sonic 2 Alpha 21.8 Dump method True-USB PRO GQ-4X Ownership drx (2019-Present) Game Sonic the Hedgehog 2 System Sega Mega Drive Genre Platform Final build Sep 29, 1992 10:33:00 Release date JP...
Topics: sonic, the, hedgehog, 2, II, two, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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eye 661

favorite 2

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A prototype of Dr. Mario for the NES. https://hiddenpalace.org/ /Dr._Mario_(Prototype) Dump status Released Dumped by Skrybe Released by Lost Levels Origin EPROM cartridge EPROMs 2x DRMARIO PRG DRMARIO CHR Game Dr. Mario System NES Genre Puzzle Release date JP  Jul 27, 1990 US  Oct 14, 1990 EU  Jun 27, 1991
Topics: doctor, dr, dr. mario, dr.mario, prototype, eprom, rom, nes, nintendo, entertainment, system
The Hidden Palace Prototype Collection
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eye 283

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The prototype build  0524  of Knuckles in Sonic 2, dated May 27, 1994, 10.46. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_2_%26_Knuckles_(May_24,_1994_prototype) Build date May 27, 1994 8:46:32 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SONIC3/ S20524.ZIP/S2.C04 + S2.C05 + S2.C06 + S2.C07 + S2.C08 + S2.C09 + S2.C10 + S2.C11 Game Sonic 2 & Knuckles System...
Topics: knuckles, in, sonic, 2, &, an, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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A later prototype of Sonic the Hedgehog 2 for the Sega Mega Drive. https://hiddenpalace.org/ Sonic_the_Hedgehog_2_(Simon_Wai_prototype) Dump status Released Origin Pirate Cartridge Dump method Super Magic Drive Game Sonic the Hedgehog 2 System Sega Mega Drive Genre Platform Final build Sep 29, 1992 10:33:00 Release date JP  Nov 21, 1992 US  Nov 24, 1992 EU  Nov 24, 1992 The Cutting Room Floor research This prototype has a research article on TCRF. Also known as the "Simon Wai"...
Topics: sonic, the, hedgehog, 2, two, II, eprom, rom, sega, mega, drive, genesis, simon, wai, prototype
The Hidden Palace Prototype Collection
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A prototype build of Streets of Rage 3, dated April 28, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Streets_of_Rage_3_(Apr_28,_1994_prototype) Build date Apr 28, 1994 5:39:58 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SOR3/ PAL/SOR3P428.ZIP/ROM0.BIN + ROM1.BIN + ROM2.BIN + ROM3.BIN + ROM4.BIN + ROM5.BIN Game Streets of Rage 3 System Sega Mega Drive Genre Beatem...
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Topics: streets, of, rage, three, III, 3, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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A late prototype of WWF WrestleMania: The Arcade Game for the SNES. https://hiddenpalace.org/ WWF_WrestleMania:_The_Arcade_Game_(Prototype) Dump status Released Dumped by Hard4Games Released by Snescentral Origin EPROM cartridge EPROMs 6x, WWF # VIDEOGAMES Labels WWF Coin-Op Confidential Copy for: Video Games Return To: Acclaim Entertainment, Inc. One Acclaim Plaza Glencove NY 11542 Game WWF WrestleMania: The Arcade Game System SNES Genre Fighting Release date JP  Mar 1, 1996 US  Nov 1995 EU...
Topics: wwe, wwf, wrestlemania, the, arcade, game, eprom, rom, prototype, super, nintendo, entertainment,...
The Hidden Palace Prototype Collection
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A prototype of Tecmo Super Bowl for the NES. Hidden Palace URL: https://hiddenpalace.org/ Tecmo_Super_Bowl_(Aug_27,_1991_prototype) Build date Aug 27, 1991 5:20 Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 3x Labels T.S.B CHR 8/17, 8/27 0 5:20, 8/27 1 5:20 Game Tecmo Super Bowl System NES Genre Sports Release date JP  Dec 13, 1991 US  Dec 1991 Read the article on Nintendo Player here!
Topics: nes, nintendo, entertainment, system, prototype, eprom, rom, hidden, palace, football, foot, ball,...
The Hidden Palace Prototype Collection
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A localization prototype of Phantasy Star II for the Sega Mega Drive. https://hiddenpalace.org/ Phantasy_Star_II_(Jul_28,_1989_prototype) Build date Jul 28 1989 10:34:22 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File PH-STAR2.BIN Game Phantasy Star II System Sega Mega Drive Genre Roleplaying Release date JP  Mar 21, 1989 US  Jan 1990 EU  Feb 1991 The Cutting Room Floor research This prototype has a research article on TCRF. Many text differences...
Topics: phantasy, fantasy, star, two, II, 2, prototype, eprom, rom, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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A prototype of the unreleased Sonic's Edusoft for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Sonic%27s_Edusoft Dump status Released Dumped by Anonymous Programmer Released by Anonymous Programmer Origin ROM Game Sonic's Edusoft System Sega Master System Genre Educational Release date Unreleased
Topics: unreleased, sonic, sonics, sega, master, system, educational, education, eprom, rom, prototype,...
The Hidden Palace Prototype Collection
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A late prototype of Spider-Man and Venom: Maximum Carnage for the SNES. https://hiddenpalace.org/ Spider-Man_and_Venom:_Maximum_Carnage_(Prototype) Dump status Released Dumped by donkeykang182 Released by Snescentral Origin EPROM cartridge EPROMs 4x - SNES SPIDY DAILY # Labels Spiderman / Venom: Maximum Carnage Confidential Preview for: DAILY NEWS Return To: Acclaim Entertainment, Inc. 71 Audrey Avenue Oyster Bay, New York 11771 Game Spider-Man and Venom: Maximum Carnage System SNES Genre Beat...
Topics: spiderman, spider, man, spider-man, and, &, venom, maximum, carnage, prototype, eprom, rom,...
The Hidden Palace Prototype Collection
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A prototype of Rockman X2 for the SNES. https://hiddenpalace.org/ Rockman_X2_(Prototype) Dump status Released Dumped by C. Davis Released by C. Davis Origin EPROM cartridge Game Rockman X2 System SNES Genre Action Release date JP  Dec 16, 1994 US  Jan 1995 EU  Oct 18, 1995 Will not work properly in most emulators. This Internet Archive page utilizes a ROM that has been hacked in order to change the header to better allow for emulation. See Also: Original release thread on Rockman Corner
Topics: rockman, x2, x, 2, rock, man, super, nintendo, entertainment, system, snes, famicom, prototype,...
The Hidden Palace Prototype Collection
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A prototype of Dr. Mario for the Nintendo Game Boy. Hidden Palace URL: https://hiddenpalace.org/ Dr._Mario_(Game_Boy_prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 1x Labels DMG-VUA Dr. MARIO Game Dr. Mario System Game Boy Genre Puzzle Release date JP  Jul 27, 1990 EU  Apr 30, 1991 US  Dec 1990 Read the Nintendo Player article here!
Topics: gameboy, game, boy, prototype, puzzle, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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The prototype build  0619  of Sonic & Knuckles, dated Jun 19, 1994, 08.18. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_%26_Knuckles_(Jun_19,_1994_prototype) Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot [[Has origin lot::Sega ROM Archive]] Game Sonic & Knuckles System Sega Mega Drive Genre Action Platformer Release date Oct 18, 1994 File Type Size SHA-1  Sonic & Knuckles (Prototype 0619 - Jun 19, 1994,...
Topics: snic, and, &, knuckles, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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A version of NBA Jam that contains swearing in place of announcer voice samples. Note it's not really a prototype, but a special version of the game created after the final version was compiled. https://hiddenpalace.org/ NBA_Jam_XXX Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 4x JAM X X X (back), SN-14 Game NBA Jam System (other builds) SNES Genre Sports - Basketball Release date JP  Apr 29, 1994 US  Mar 4, 1994 EU  Mar 10, 1996...
Topics: nba, jam, xxx, super, nintendo, entertainment, system, snes, prototype, eprom, rom
The Hidden Palace Prototype Collection
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A prototype of Sega Channel for the Sega Mega Drive. https://hiddenpalace.org/Sega_Channel_(Prototype) Dump status Released Dumped by Stonic Released by Stonic Origin EPROM cartridge Game Sega Channel System Sega Mega Drive Genre Service Release date JP  May 1994 US  Jun 1, 1994 EU  Jul 1, 1996
Topics: sega, channel, eprom, rom, prototype, genesis, mega, drive
The Hidden Palace Prototype Collection
by Black Pearl Software
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As described by Hidden Palace: Dump status Released Dumped by drx Released by drx File release date December 25, 2019 Origin EPROMs Dump method Retrode 2, True-USB PRO GQ-4X Game Akira System Sega Mega Drive Genre Action Release date Unreleased Released by Hidden Palace, a protoype of an unreleased Akira game, worked on by Black Pearl Software. "Presenting, a prototype of the unreleased video game adaptation of Akira for the Sega Mega Drive! Courtesy of Matsuda and an anonymous...
The Hidden Palace Prototype Collection
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A prototype of McDonald's Treasure Land Adventure for the Sega Mega Drive. https://hiddenpalace.org/ McDonald%27s_Treasure_Land_Adventure_(Prototype) Dump status Released Dumped by INDEPENDENT Released by INDEPENDENT File release date September 28, 1993 Origin EPROM cartridge Lot Old Scene (BBS) Files MCDONALD.LZH Game McDonald's Treasure Land Adventure System Sega Mega Drive Genre Action Final build US  Sep 9, 1993 Release date JP  Sep 23, 1993 US  Dec 1993 EU  Mar 1994 This is most...
Topics: mcdonalds, mcdonald's, treasure, land, adventure, adventures, prototype, eprom, rom, sega, genesis,...
The Hidden Palace Prototype Collection
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A prototype of Killer Instinct for the Nintendo SNES. https://hiddenpalace.org/ Killer_Instinct_(prototype) Dump status Released Origin EPROM cartridge Game Killer Instinct System SNES Genre Fighting Release date US  Aug 30, 1995 EU  Sep 21, 1995 For whatever reason, this prototype does not boot on most emulators. Here are some recommended emulators to boot this prototype on: Higan (v101 or lower) BSNES (v083 or lower) ZSNES (any version)
Topics: killer, instinct, super, nintendo, entertainment, system, rom, eprom, prototype, snes
The Hidden Palace Prototype Collection
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A late prototype of the unreleased Lobo for the SNES. https://hiddenpalace.org/ Lobo_(Prototype_-_SNES) Dump status Released Origin Bootleg Game Lobo System SNES Genre Fighting Release date Unreleased Originated from a bootleg cartridge sold in 2008.
Topics: lobo, snes, super, nintendo, entertainment, system, prototype, eprom, rom
The Hidden Palace Prototype Collection
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A prototype of Shadow Dancer for the Sega Mega Drive. https://hiddenpalace.org/ Shadow_Dancer:_The_Secret_of_Shinobi_(Oct_2,_1990_prototype) Build date Oct 2, 1990 12:33:42 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File SHDWDNCR.BIN Game Shadow Dancer: The Secret of Shinobi System Sega Mega Drive Genre Platformer Release date JP  Dec 1, 1990 US  1991 EU  May 1991 This build is near final, but still contains a few differences. For a much more...
Topics: shadow, dancer, the, secret, of, shinobi, prototype, eprom, rom, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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An early demo of an unreleased port of Rayman for the Nintendo SNES. https://hiddenpalace.org/ Rayman_(SNES_prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge EPROMs 2x Labels RAYDER2 # Dump method Willem GQ-4X USB Eprom Programmer Game Rayman System SNES Genre Action Release date Unreleased
Topics: rayman, prototype, eprom, rom, super, nintendo, entertainment, system, snes, prot, unreleased
The prototype build  Beta 4  of Sonic The Hedgehog 2, dated Sep 18, 1992. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_the_Hedgehog_2_(Sep_18,_1992_prototype_-_Beta_4) Build date Sep 18, 1992 14:26:36 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SONIC2/ SONIC216.ZIP/S2BETA4.SGD Game Sonic the Hedgehog 2 System Sega Mega Drive Genre Action Platformer Final build...
Topics: sonic, the, hedgehog, 2, II, two, eprom, rom, sega, mega, drive, prototype, beta. 4, four, IV
A Japanese localization prototype of Mickey Mania: The Timeless Adventures of Mickey Mania for the SNES. https://hiddenpalace.org/ Mickey_Mania:_The_Timeless_Adventures_of_Mickey_Mouse_(Japanese_localization_prototype) Dump status Released Dumped by Xnz136 Released by Xnz136 Origin EPROM cartridge Game Mickey Mania: The Timeless Adventures of Mickey Mouse System SNES Genre Action Adventure Release date JP  Mar 31, 1995 US  Oct 1, 1994 EU  Apr 1, 1995 Different title screen. Level title...
Topics: mickey, mania, the, timeless, adventures, of, mouse, eprom, rom, prototype, japanese, japan,...
The Hidden Palace Prototype Collection
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An unreleased prototype of Socks the Cat Rocks the Hill for the SNES. https://hiddenpalace.org/ Socks_the_Cat_Rocks_the_Hill_(prototype) Dump status Released, redump needed Released by Second Dimension Origin EPROM cartridge Ownership Jason Wilson (DreamTR) Game Socks the Cat Rocks the Hill System SNES Genre Platformer Release date Unreleased The ROM has been modified to make the game more playable. The original unmodified ROM has not been released.
Topics: socks, sock, the, cat, rocks, hill, prototype, eprom, rom, super, nintendo, entertainment, system,...
The Hidden Palace Prototype Collection
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A prototype of  Striker , the European version of  World Soccer '94: Road to Glory  for the SNES. For some reason, the prototype is NTSC. https://hiddenpalace.org/ Striker_(prototype) Dump status Released Dumped by Niiue Released by Niiue File release date February 27, 2019 Origin EPROM cartridge EPROMs 1x Labels Striker SNES FD6B Dump method Retrode 2 Ownership paulweeze71 (unknown-2019), Niiue (2019-present) Game Striker System SNES Genre Sports Release date JP  Jul 16, 1993 US  Dec 1,...
Topics: striker, prototype, eprom, rom, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
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A late prototype of Super Adventure Island II for the SNES. https://hiddenpalace.org/ Super_Adventure_Island_II_(Prototype) Dump status Released Dumped by togemet2 Released by togemet2 Origin EPROM cartridge EPROMs Toshiba 574000 EPROMS Labels Super Adventure Island 2 Hudson Soft Dump method Xeltec SuperPRO 280U Ownership togemet2 Game Super Adventure Island II System SNES Genre Adventure Release date JP  Jan 3, 1995 US  Oct 1994 EU  Mar 1995 Various text changes.
Topics: super, adventure, island, 2, II, two, eprom, rom, prototype, super, nintendo, entertainment,...
The Hidden Palace Prototype Collection
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A prototype of Mario Paint for the Nintendo SNES. https://hiddenpalace.org/ Mario_Paint_(prototype) Build name E.5 Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 2x, Mario Paint E.5 Ownership DreamTR (?), Nintendo Player Game Mario Paint System SNES Genre Art Release date JP  Jul 14, 1992 US  Aug 1, 1992 EU  Dec 10, 1992 Read the Nintendo Player article here!
Topics: mario, paint, prototype, eprom, rom, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
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A prototype of Beavis and Butt-Head for the Sega Game Gear. Hidden Palace URL: https://hiddenpalace.org/Beavis_and_Butt-head_(Prototype) Dump status Released Origin EPROM cartridge Game Beavis and Butt-head System Game Gear Genre Action Release date US  1994 EU  1994
Topics: hidden, palace, rom, prototype, eprom, gamegear, game, gear, action, butt, head
The Hidden Palace Prototype Collection
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A revision prototype for Aladdin for the Sega Mega Drive. https://hiddenpalace.org/ Aladdin_(Jul_31,_1993_prototype) Build date Jul 31, 1993 17:46:24 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File ALADNJPN.BIN Game Aladdin System Sega Mega Drive Genre Platformer Release date JP  Nov 12, 1993 US  Oct 1993 EU  Nov 11, 1993 A small revision prototype for Japan that was compiled 20 minutes after the US final. There are no language changes however. But...
Topics: aladdin, eprom, rom, prototype, sega, genesis, mega, drive
The Hidden Palace Prototype Collection
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A prototype of Gods for the Nintendo SNES. https://hiddenpalace.org/ Gods_(Sep_10,_1992_prototype) Build date Sep 10, 1992 Dump status Released Dumped by Syphor Released by contrafan Origin EPROM cartridge EPROMs 2x, Gods 9-10 000 C630 (?) Gods 9-10 001 0EDD (?) Dump method Super UFO Ownership Syphor (Present) Game Gods System SNES Genre Action Release date US  Dec 1992 EU  Jun 24, 1993
Topics: gods, god, snes, prototype, eprom, rom, super, nintendo, entertainment, system
A prototype build of Jurassic Park - Rampage Edition, dated July 19, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Jurassic_Park_-_Rampage_Edition_(Jul_19,_1994_prototype) Build date Jul 19, 1994 16:24:16 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/JP2/ JP20719.ZIP/JP2.C04 + JP2.C05 + JP2.C06 + JP2.C07 + JP2.C08 + JP2.C09 + JP2.C10 + JP2.C11 RELEASED/GENESIS/JP2/...
Topics: jurassic, park, rampage, edition, eprom, rom, sega, genesis, mega, drive, prototype
The Hidden Palace Prototype Collection
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A very early alpha version of WWF Wrestlemania Arcade (256kB compared to the final 4MB). It was released by  Rika Chou  on April 25, 2006. After starting the game "LEGAL SCREEN" can be seen, following the title screen, instead of an actual legal screen. Next, you pick your wrestler, but it's forced two player in this build, so you have to wait for the timer on the character select to count down, or use the second controller. Finally, the background pops in with the audience and the...
Topics: wwf, w, f, wrestlemania, arcade, prototype, eprom, rom, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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A prototype of Yo! Noid for the NES. Hidden Palace URL: https://hiddenpalace.org/ Yo!_Noid_(Prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 2x, NOID CHR, NOID PRG Labels YO! ROJ Game Yo! Noid System NES Genre Action Release date JP  Mar 16, 1990 US  Nov 1990 Read the Nintendo Player article here!
Topics: hidden, palace, prototype, eprom, rom, nintendo, entertainment, system, nes
The Hidden Palace Prototype Collection
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A late prototype of the unreleased localization of Super Baseball Simulator 1.000 2 (also known as Super Ultra Baseball 2 in Japan) for the Nintendo SNES. https://hiddenpalace.org/ Super_Baseball_Simulator_1.000_2_(Prototype) Dump status Released Dumped by qixmaster Released by qixmaster File release date August 28, 2012 Origin EPROM cartridge Dump method Retrode 2 Game Super Baseball Simulator 1.000 2 System SNES Genre Baseball Release date JP  Jul 28, 1994 Release date Unreleased Different...
Topics: supre, base, ball. baseball, simulator, 1, 1.000, 2, II, two, one, prototype, eprom, rom, super,...
A prototype of Awesome Possum Kicks Dr. Machino's Butt! For the Sega Mega Drive. https://hiddenpalace.org/ Awesome_Possum_Kicks_Dr._Machino%27s_Butt!_(Prototype) Dump status Released Dumped by CENSOR Released by CENSOR File release date October 5, 1993 Origin EPROM cartridge Lot Old Scene (BBS) Files CEN-AWPO.LZH Game Awesome Possum Kicks Dr. Machino's Butt! System Sega Mega Drive Genre Action Release date JP  Dec 25, 1993 US  Nov 25, 1993 �[0m�[2J�[40m �[1;37m__ __...
Topics: awesome, possum, kicks, dr, machino, machinos, machino's, butt, prototype, eprom, rom, sega,...
A prototype build of Mighty Morphin Power Rangers, dated July 8, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Mighty_Morphin_Power_Rangers_(Jul_8,_1994_prototype) Build date Jul 11, 1994 9:34:08 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/PWRRANG/ PR0708.ZIP/PR.C04 + PR.C05 + PR.C06 + PR.C07 + PR.C08 + PR.C09 + PR.C10 + PR.C11 Game Mighty Morphin Power Rangers...
Topics: mighty, morphin, morphing, morphin', power, rangers, eprom, rom, sega, genesis, mega, drive,...
The Hidden Palace Prototype Collection
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A prototype build of Speedy Gonzales Cheese Catastrophe, dated February 17, 1995. It was released by  drx  on February 23, 2008. Hidden Palace URL: https://hiddenpalace.org/ Speedy_Gonzales_Cheese_Catastrophe_(Feb_17,_1995_prototype) Build date Feb 17, 1995 1:20:04 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GAMEGEAR/SPEEDY/ SGGG0001.ZIP/SGGG0001.BIN RELEASED/GAMEGEAR/SPEEDY/ SGGG0002.ZIP/SGGG0002.BIN...
Topics: gamegear, prototype, eprom, rom, hidden, palace, action, platfrom, platformer
The Hidden Palace Prototype Collection
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A work in progress build of Aladdin for the Sega Genesis. This cart was apparently shown at the Chicago CES trade show back in 1993. https://hiddenpalace.org/ Aladdin_(Chicago_C.E.S_demo) Build date Jun 27, 1993 Build name Chicago C.E.S Show Work In Progress Demonstration Dump status Released Dumped by Billscat-socks Released by Billscat-socks Origin EPROM cartridge EPROMs 8x EPROMs Dump method Retrode Ownership DreamTR (Unknown), Niels (??-2016), Billscat-socks (Present) Game Aladdin System...
Topics: aladdin, chicago, ces, c.e.s, c.e.s., eprom, rom, prototype, genesis, mega, drive, sega, demo
The Hidden Palace Prototype Collection
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An unreleased second revision to Ecco the Dolphin for the Sega Mega Drive. https://hiddenpalace.org/ Ecco_the_Dolphin_(Jun_29,_1993_build) Build date Jun 29, 1993 10:22:04 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File ECCO.BIN Game Ecco the Dolphin System Sega Mega Drive Genre Adventure Release date JP  Jul 30, 1993 US  Dec 29, 1992 EU  Jul 31, 1992 Most likely an unreleased revision based on the Japanese release.
Topics: ecco, the, dolphin, sega, genesis, eprom, rom, build, mega, drive, unreleased
The Hidden Palace Prototype Collection
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A prototype of Dragon Ball Z: Super Butouden for the Nintendo SNES. https://hiddenpalace.org/ Dragon_Ball_Z:_Super_Butouden_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge Game Dragon Ball Z: Super Butouden System SNES Genre Fighting Release date JP  Mar 20, 1993 EU  Nov 30, 1993
Topics: dragon, ball, z, super, butouden, prototype, eprom, rom, super, nintendo, entertainment, system,...
The Hidden Palace Prototype Collection
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The prototype build  0408  of Sonic 3C, the unreleased version of Sonic 3, dated Apr 08, 1994, 17.29. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_3C_(Apr_8,_1994_prototype) Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot [[Has origin lot::Sega ROM Archive]] Game Sonic 3C System Sega Mega Drive Genre Action Platformer Release date Oct 18, 1994 The Cutting Room Floor research This prototype has a research article on TCRF....
Topics: sonic, 3, c, 3c, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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Konami distributed samples of many of their Famicom games to stores in Japan. Usually, only a small part of the game is playable from the start before messages appear prompting the player to buy it. Copies of Contra occasionally appear on Yahoo Japan Auctions. There might be at least 47 copies of this Contra sample, if the numbers marked on some of the labels are something to go by. https://hiddenpalace.org/ Contra_(Sample_Prototype) Dump status Released Dumped by Chris Covell Released by Chris...
Topics: contra, sample, prototype, eprom, rom, nes, nintendo, entertainment, system
The Hidden Palace Prototype Collection
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A prototype build of Desert Demolition, dated December 6, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Desert_Demolition_(Dec_6,_1994_prototype) Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot [[Has origin lot::Sega ROM Archive]] Game Desert Demolition System Sega Mega Drive Genre Action Platformer Release date US  1994 EU  1994 File Type Size SHA-1  Desert Demolition (Prototype - Dec 06, 1994) (hidden-palace.org).bin...
Topics: desert, demolition, eprom, rom, sega, genesis, mega, drive, prototype
The Hidden Palace Prototype Collection
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A revision prototype for Ghostbusters for the Sega Mega Drive. https://hiddenpalace.org/ Ghostbusters_(May_1,_1990_prototype) Build date May 1, 1990 19:22:12 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File GHSTBSTR.BIN Game Ghostbusters System Sega Mega Drive Genre Platformer Release date JP  Jun 30, 1990 US  Apr 12, 1990 EU  Dec 1990 An earlier version of REV01, some spelling mistakes intact (e.g GLANT -> GIANT). Header:  00000100 53 45 47 41...
Topics: ghost, busters, ghostbusters, buster, ghostbuster, prototype, eprom, rom, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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A prototype of Mr. Nutz for the SNES by Ocean. https://hiddenpalace.org/ Mr._Nutz_(Jun_10,_1993_prototype) Build date Jun 10, 1993 Dump status Released Dumped by togemet2 Released by togemet2 File release date September 19, 2019 Origin EPROM cartridge EPROMs Toshiba 574000 EPROMS Labels NUTZ Dump method Xeltec SuperPRO 280U Ownership togemet2 Game Mr. Nutz System SNES Genre Platformer Final build JP  Jun 20, 1994 US  Jan 11, 1994 Release date EU  Nov 1993 US  Aug 1994 JP  Oct 1994 The...
Topics: mister, mr, mr., nuts, nutz, eprom, rom, prototype, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
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An early localization prototype of Landstalker for the Sega Mega Drive. https://hiddenpalace.org/ Landstalker_(Feb_24,_1993_prototype) Build date Feb 24, 1993 11:55:00 Dump status Released Dumped by MAGICAL Released by MAGICAL File release date July 4, 1996 Origin EPROM cartridge Lot Old Scene (BBS) Files M-LSTLK.LZH Game Landstalker System Sega Mega Drive Genre Roleplaying Final build JP  Sep 18, 1992 EU  Jul 15, 1993 US  Jul 13, 1993 Release date JP  Oct 30, 1992 US  Oct 1993 EU  1993...
Topics: land, stalker, landstalker, landstalkers, stalkers, eprom, rom, sega, mega, drive, genesis,...
The Hidden Palace Prototype Collection
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A prototype of Batman Returns for the Nintendo SNES. https://hiddenpalace.org/ Batman_Returns_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge Labels BATMAN RETURNS Game Batman Returns System SNES Genre Action Release date JP  Feb 26, 1993 US  Apr 1993 EU  May 1993 Byte for byte identical to the dump provided by  d4s .
Topics: batman, returns, prototype, eprom, rom, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
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A store demo of Toy Story for the Sega Mega Drive. https://hiddenpalace.org/ Toy_Story_(Sample) Dump status Released Dumped by Borman Released by Borman Origin Cartridge Dump method Retrode Ownership Borman (Present) Game Toy Story System Sega Mega Drive Genre Action Release date US  Apr 25, 1996 EU  Mar 29, 1996 Only three levels are playable with each having a time limit.
Topics: toy, story, sample, sega, genesis, mega, drive, eprom, rom
The Hidden Palace Prototype Collection
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A possible revision prototype of the Tommy Lasorda Baseball localization for the Sega Mega Drive. https://hiddenpalace.org/ Tommy_Lasorda_Baseball_(Apr_30,_1989_prototype) Build date Apr 30, 1989 10:53:02 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File TOMYBASE.BIN Game Tommy Lasorda Baseball System Sega Mega Drive Genre Sports Release date JP  Apr 22, 1989 US  1989 EU  1990 Either pre-US final or pre-PAL final. Contains additional code to control...
Topics: tommy, lasorda, baseball, base, ball, prototype, sega, mega, drive, genesis, eprom, rom
The Hidden Palace Prototype Collection
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An altered final ROM of Sonic the Hedgehog 3. https://hiddenpalace.org/ Sonic_the_Hedgehog_3_(Nov_20,_1993_build) Build date Nov 20, 1993 10:49:38 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File SONIC3.BIN Game Sonic the Hedgehog 3 System Sega Mega Drive Genre Platformer Release date US  Feb 2, 1994 EU  Feb 24, 1994 JP  May 27, 1994 Same as US final, but with no header memo. Header:  00000100 53 45 47 41 20 47 45 4e 45 53 49 53 20 20 20 20 SEGA...
Topics: sonic, the, hedgehog, 3, III, three, eprom, rom, sega, mega, drive, genesis, build
The Hidden Palace Prototype Collection
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A prototype of Indiana Jones and the Last Crusade for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Indiana_Jones_and_the_Last_Crusade_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Indiana Jones and the Last Crusade System Sega Master System Genre Action Release date EU  Dec 1990
Topics: sega, master, system, prototype, hidden, palace, eprom, rom, action
A prototype of Itadaki Street 2: Neon Sign ha Bara Iro ni for the Nintendo SNES. https://hiddenpalace.org/ Itadaki_Street_2:_Neon_Sign_ha_Bara_Iro_ni_(Dec_20,_1993_prototype) Build date Dec 20, 1993 Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge EPROMs 4x, ENIX 2 Game Itadaki Street 2: Neon Sign ha Bara Iro ni System SNES Genre Board Game Release date JP  Feb 26, 1994
Topics: itadaki, street, 2, II, two, neon, sign, ha, bara, iro, ni, prototype, eprom, rom, super, nintendo,...
The Hidden Palace Prototype Collection
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A prototype of Impossible Mission for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Impossible_Mission_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Impossible Mission System Sega Master System Genre Action Release date EU  Nov 1990
Topics: sega, master, system, prototype, eprom, rom, hidden, palace, action
The Hidden Palace Prototype Collection
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A late prototype of Super Fire Pro Wrestling 2 for the Nintendo SNES. https://hiddenpalace.org/ Super_Fire_Pro_Wrestling_2_(Late_prototype) Dump status Released Dumped by snescentral Released by snescentral Origin EPROM cartridge EPROMs 2x Game Super Fire Pro Wrestling 2 System SNES Genre Fighting Release date JP  Dec 25, 1992
Topics: super, fire, pro, wrestling, II, 2, two, eprom, rom, late, prototype, super, nintendom,...
The Hidden Palace Prototype Collection
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A prototype of Sweet Home for the NES. Hidden Palace URL: https://hiddenpalace.org/Sweet_Home_(Prototype) Dump status Released Dumped by Skrybe Released by Skrybe Origin EPROM cartridge Game Sweet Home System NES Genre Role playing Release date JP  Dec 15, 1989
Topics: nintendo, famicom, computer, sample, eprom, rom, hidden, palace, roleplay, role, play, roleplaying,...
An alternate final PAL ROM of Ren & Stimpy - Stimpy's Invention for the Sega Mega Drive. https://hiddenpalace.org/ Ren_%26_Stimpy:_Stimpy%27s_Invention_(Dec_9,_1993_build) Build date Dec 9, 1993 16:33:52 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File RENSTPAL.BIN Game Ren & Stimpy: Stimpy's Invention System Sega Mega Drive Genre Platformer Release date JP  Unreleased US  1993 EU  Mar 1994 Same as PAL final, except it has no padding at the...
Topics: ren, and, &, stimpy, stimpys, stimpy's, invention, prototype, eprom, rom, sega, mega, drive,...
The Hidden Palace Prototype Collection
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A prototype of the unreleased Cooly Skunk for the Nintendo SNES. https://hiddenpalace.org/ Cooly_Skunk_(Prototype) Dump status Released Dumped by Billscat-socks Released by Togemet2 File release date January 18, 2020 Origin BS-X Memory Pak Game Cooly Skunk System SNES Genre Action Release date Unreleased Eventually being released on the PlayStation in late 1996, the game was originally in development for the SNES. After seeing the success of the PlayStation in the United States, the game was...
Topics: cooly, skunk, eprom, rom, prototype, super, nintendo, entertainment, system, snes, famicom
An early preview of Castle of Illusion: Starring Mickey Mouse for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Castle_of_Illusion:_Starring_Mickey_Mouse_(May_25,_1990_prototype) Build date May 25, 1990 Dump status Released Dumped by James Costello Released by James Costello Origin EPROM cartridge EPROMs 1x Labels (cart) CASTLE OF ILLUSION STARRING MICKEY MOUSE, (eprom) MICKEY 8D7 5/25 Ownership SoA Programmer (1990-2009), zach1845 (2009-2009), James Costello...
Topics: illusion, sega, master, system, prototype, eprom, rom, hidden, palace, action
The Hidden Palace Prototype Collection
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The  final 2  build of Sonic the Hedgehog 2, dated September 29, 1992. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Sonic_the_Hedgehog_2_(Sep_29,_1992_build) Build date Sep 29, 1992 9:33:36 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SONIC2/ SONIC216.ZIP/S2F2.ZIP/S2FINAL2.C04 + S2FINAL2.C05 + S2FINAL2.C06 + S2FINAL2.C07 + S2FINAL2.C08 + S2FINAL2.C09 + S2FINAL2.C10 +...
Topics: sonic, the, hedgehog, 2, II, two, eprom, rom, sega, mega, drive, genesis, build
The Hidden Palace Prototype Collection
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A prototype of Ys: Ancient Ys Vanished Omen for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Ys:_Ancient_Ys_Vanished_Omen_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Ys: Ancient Ys Vanished Omen System Sega Master System Genre Role Playing Release date JP  Oct 15, 1988 US  Mar 1989 EU  1989 Non playable auto demo based on a Japanese prototype. Contains a completely different sound track.
Topics: sega, master, system, prototype, eprom, rom, hidden, palace, role, play, playing, roleplay,...
The Hidden Palace Prototype Collection
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A prototype build of Comix Zone, dated Aoril 4, 1995. This was originally a scene release. https://hiddenpalace.org/ Comix_Zone_(Apr_4,_1995_prototype) Build date Apr 4, 1995 Dump status Released Dumped by SNEAKERS Released by SNEAKERS File release date June 30, 1995 Origin EPROM cartridge Lot Old Scene (BBS) Files SNK-ZONE.LZH Game Comix Zone System Sega Mega Drive Genre Beatem Up Release date JP  Sep 1, 1995 US  1995 EU  Oct 27, 1995 The Cutting Room Floor research This prototype has a...
Topics: comix, zone, eprom, rom, prototype, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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A late prototype of Taz-Mania for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Taz-Mania_(Prototype) Dump status Released Dumped by stonic Released by stonic Origin EPROM cartridge Ownership Alan Murphy (1992-2007), stonic (2007-?) Game Taz-Mania System Sega Mega Drive Genre Action Release date JP  Dec 25, 1992 US  1992 EU  1992 Cartridge acquired from Alan Murphy who worked as a graphic artist on Taz-Mania. Differences are unknown.
Topics: sega, mega, drive, prototype, eprom, rom, hidden, palace, action
The Hidden Palace Prototype Collection
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A prototype build of Streets of Rage 3, dated March 8, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Streets_of_Rage_3_(Mar_9,_1994_prototype) Build date Mar 9, 1994 6:51:30 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/SOR3/ SOR30308.ZIP/SOR3.C04 + SOR3.C05 + SOR3.C06 + SOR3.C07 + SOR3.C08 + SOR3.C09 Game Streets of Rage 3 System Sega Mega Drive Genre Beatem Up...
Topics: streets, of, rage, three, III, 3, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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A prototype version of the BIOS featured in an early Sega Master System unit. Hidden Palace URL: https://hiddenpalace.org/ Sega_Master_System_BIOS_v1.0_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM EPROMs 1x Game Sega Master System BIOS System Sega Master System Genre BIOS Release date JP  Oct 1987 US  Sep 1986 EU  1987
Topics: bios, sega, master, system, prototype, eprom, rom, hidden, palace
A prototype of Mickey & Minnie Magical Adventure 2: The Great Circus Mystery for the Nintendo SNES. https://hiddenpalace.org/ Mickey_%26_Minnie_Magical_Adventure_2:_The_Great_Circus_Mystery_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge EPROMs 3x, MAM KTe # CAPCOM Labels ミッキーのマジカルアドベンチャーサンプル Game Mickey & Minnie Magical Adventure 2: The Great Circus Mystery System SNES Genre Platformer...
Topics: mickey, and, minnie, &, magical, adventure, two, II, 2, the, great, circus, mystery, eprom,...
The Hidden Palace Prototype Collection
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A prototype of Prince of Persia for the Sega Master System Hidden Palace URL: https://hiddenpalace.org/ Prince_of_Persia_(Prototype) Dump status Released Origin EPROM cartridge Game Prince of Persia System Sega Master System Genre Action Release date EU  1994
Topics: sega, master, system, prototype, eprom, rom, hidden, palace, action
A prototype build of Desert Demolition, dated December 12, 1994 - B. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Desert_Demolition_(Dec_12,_1994_prototype_B) Build date Dec 12, 1994 17:47:14 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/DSRTDEMO/ DESE1212.ZIP/RR.C04 + RR.C05 + RR.C06 + RR.C07 + RR.C08 + RR.C09 + RR.C10 + RR.C11 Game Desert Demolition System Sega Mega...
Topics: desert, demolition, eprom, rom, prototype, b, sega, genesis, mega, drive
The Hidden Palace Prototype Collection
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A prototype of the unreleased Baby's Day Out for the Sega Mega Drive. https://hiddenpalace.org/ Baby%27s_Day_Out_(SNEAKERS_prototype) Dump status Released, redump needed Dumped by SNEAKERS Released by SNEAKERS File release date February 25, 1995 Origin EPROM cartridge Lot Old Scene (BBS) Files SNK-BABY.LZH Game Baby's Day Out System Sega Mega Drive Genre Action Release date Unreleased !eNf_______________________ ________/\_____ __\ _______/_ _ \__\ / / /_______ / / / ___/ /. / // / // / \_...
Topics: babys, baby's, day, out, sneakers, prototype, eprom, rom, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
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Near final build, only visible change is the Forum logo on the title screen. https://hiddenpalace.org/ Final_Set Dump status Released Dumped by Xnz136 Released by SNES Central Origin EPROM cartridge EPROMs 2 Labels Cart label says 'Final Match Tennis', which is a different tennis game by Human Entertainment Dump method Retrode Ownership Xnz136 Game Final Set System SNES Genre Sports Release date JP  Sep 17, 1993 Thanks to Xnz136 for releasing this. Page on SNES Central.
Topics: final, set, prototype, eprom, rom, super, nintendo, entertainment, system, snes