- Feb 1, 2026: The Dead Are Rising
- Jan 24, 2026: Beavis and Butt-Head do Hollywood
- Jan 1, 2026: Year of Spore
- Dec 25, 2025: One Bad Ass Hedgehog - Shadow the Hedgehog
- Nov 26, 2025: A Mojave Thanksgiving - Fallout: New Vegas Prototype
- Oct 31, 2025: Happy Halloween 2025! Dark Empires Prototype & Craig Stitt Interview
- Jun 29, 2025: Animaniacs - Hollywood Hypnotics
- Feb 1, 2025: Frogger 2 Full Development Archive
- Jan 1, 2025: Happy NES Year
- Dec 26, 2024: NESMas - Day 2
- Dec 25, 2024: NESMas - Day 1
- Jul 6, 2024: Vanished without a Trace - Out of the Vortex for the Sega Mega Drive
- Apr 9, 2024: Crash Tag Team Racing (Xbox Prototype)
- Jan 21, 2024: Crash Bash and Spyro 3
- (earlier news)
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The Hidden Palace is a community dedicated to the preservation of video game development media (such as prototypes, hardware, source code, artwork, and more). This website can be utilized as a catalog for the items that we and others are able to collect and share.
If you are interested in contributing, please see our How to Contribute page.
Past news
Latest contributed articles
- Creatures (Fuzzy Wuzzy prototype) by Tikal.
- Sega GT 2002 (Christmas Version) (Demo From OXM by The Hell Tuner
- Fight for Freedom (Sh0ck demo) by Tikal.
- Talisman (DMA Design prototype) by Tikal.
- Creatures 2: Torture Trouble (Bonus game prototype) by Tikal.
- Tom Clancy's Rainbow Six Siege (Sep 15, 2015 Multiplayer prototype) by Cheato
- Crystal Castles (Commodore 64 prototype) by Tikal.
- Collapsar (Feb 1987 prototype) by Tikal.
- Tom Clancy's Rainbow Six Siege (Sep 4, 2015 Multiplayer prototype) by Cheato
- Hagar the Horrible (English build) by Tikal. (more)
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Latest news
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Doom Troopers: Mutant Chronicles (Prototype A)
Doom Troopers: Mutant Chronicles (Prototype B)
Super Bomberman 2 (Prototype)
Super Bomberman 3 (Prototype)
Ghoul Patrol (PAL build)
Discuss this release on the boards here!
We have some more prototypes courtesy of Radar as part of his lot from Virgin!
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Doom Troopers: Mutant Chronicles (Prototype A)
Doom Troopers: Mutant Chronicles (Prototype B)
First up we have some nice prototypes of Doom Troopers: Mutant Chronicles for the SNES. These prototypes feature different level layouts, music, and some other aesthetic differences as well. The latest prototype has a level select activated after the character select screen which should let you play all that the prototype offers. However, the level select isn’t active by default for the earliest prototype. We were able to hack the level select back on and have included the ROM in the same archive as the unaltered one.
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Super Bomberman 2 (Prototype)
Super Bomberman 3 (Prototype)
Next we have some prototypes from the Super Bomberman series! The Super Bomberman 3 prototype is the same prototype that’s already in no-intro, but the new dump confirms that the dump that exists is correct. That prototype in particular has some minor changes in some of the stages as far as layout goes. The prototype of Super Bomberman 2 is new however, and is a localization prototype of the US version. This prototype contains some minor differences.
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For the sake of completion, we are also including this altered PAL build of Ghoul Patrol for the SNES. This build is exactly the same as the final European release, but the checksum and product ID are different.
Until next time!
