- 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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Revision as of 00:35, February 16, 2023
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.
Adventures to Go! (Jun 12, 2009 prototype)
Atari Classics Evolved (Oct 1, 2007 prototype)
Crash: Mind over Mutant (Sep 7, 2008 prototype)
Disgaea Infinite (Mar 17, 2010 prototype)
Dungeon Maker: Hunting Ground (May 9, 2007 prototype)
Hammerin' Hero (Nov 28, 2008 prototype)
Holy Invasion Of Privacy, Badman! What Did I Do To Deserve This? (May 11, 2009 prototype)
Mana Khemia: Student Alliance (Dec 9, 2008 prototype)
Metal Slug XX (Sep 26, 2009 prototype)
Monster Hunter Freedom Unite (Jan 29, 2009 prototype)
BlazBlue: Continuum Shift II (Feb 28, 2011 prototype)
Warriors Orochi 2 (May 7, 2009 prototype)
Discuss this release on our Discord server!
Hello everyone! Sorry to keep you waiting since the holidays!
We have a few things cooked up for you in the not-so-distant future, but for now, we’d like to share something that will tide you over. We have a few “release candidate” PSP prototypes, builds that are near final but didn’t pass initial certification and needed a second version before being published. These prototypes were brought to you by Jehuty who had a treasure trove of almost 100 UMDs!
The games featured in this lot are all the ones that are confirmed to be different from anything released. These were verified using the same technology that helped us with Deluge, so we could confirm that these were all unique builds compared to the Redump set as of writing. The UMDs were dumped by site administrator Sazpaimon using PSP Filer v6.6 on the original hardware.
- Funtimeandrefoxy: 22,903 edits, 10947 articles
- Lemurboy12: 12,150 edits, 5386 articles
- Tikal.: 7,655 edits, 4312 articles
- Dink: 3,838 edits, 2704 articles
- Chagosan: 1,996 edits, 933 articles
- Missile: 1,946 edits, 968 articles
- Gonzo: 1,748 edits, 839 articles
- Glitchmaster: 1,373 edits, 885 articles
- Lilithdesign388: 1,227 edits, 382 articles
- Czykago: 1,196 edits, 538 articles
- Слава України: 1,016 edits, 365 articles
- PopuriAO29: 1,010 edits, 9 articles
- Starfrost: 954 edits, 415 articles
- Prototector: 747 edits, 496 articles (more)
- Compton's Interactive Encyclopedia: @World Edition (Oct 31, 1996 prototype) by NovaAurora
- Saban's Power Rangers Zeo Versus the Machine Empire (Nov 20, 1996 prototype) by NovaAurora
- Prototypes by system/Apple Pippin by NovaAurora
- Need for Speed: Nitro (Apr 9, 2009 prototype) by AceArroww
- Gran Turismo HD (Jun 11, 2007 Le Mans Demo) by Jenci
- The Power of Black Bandit (prototype) by Tikal.
- Slideways (prototype) by Tikal.
- Groovy Electric Death (Oct 10, 1988 prototype) by Tikal.
- PlayStation 2 Preview by PopuriAO29
- PlayStation 2 Review by PopuriAO29
- Defiance (Jan 21, 2016 Patch Data prototype) by Funtimeandrefoxy
- Hustle Kings (Jun 6, 2010 prototype) by Funtimeandrefoxy
- Savage Moon (Mar 13, 2009 prototype) by Funtimeandrefoxy
- Go! Puzzle (Apr 9, 2008 prototype) by Funtimeandrefoxy
- Disney Universe (Jun 21, 2011 prototype) by Dink (more)