- 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)
Main Page
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.
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Latest contributed articles
- SEGA Mega-CD Bios (Hoshino Special) (sample) by Gageiro
- Streets of Rage II (Preview) by Divingkataetheweirdo
- Grand Theft Auto V (Oct 13, 2014 prototype) by Gonzo
- Watch Dogs (Mar 28, 2014 prototype) by Reverb3252
- Dr. Robotnik's Mean Bean Machine (Kraftwerk prototype) by MDTravis
- Left 4 Dead 2 ( November 4, 2009 demo) by UNKNOWNED
- Left 4 Dead (November 12, 2008 demo) by UNKNOWNED
- DJ GEMS Demo (prototype) by MDTravis
- Sega Multimedia Studio: Sega CD Demo (May 9, 1992 prototype) by MDTravis
- Sega Multimedia Studio: Rave CD (Jun 3, 1993 prototype B) by MDTravis
- Sega Multimedia Studio: Rave CD (Jun 3, 1993 prototype A) by MDTravis
- Sonic the Hedgehog CD (Aug 4, 1993 prototype) by MDTravis
- Jurassic Park (Jan 26, 1994 prototype) by MDTravis
- Jurassic Park (Nov 18, 1993 prototype) by MDTravis
- Sewer Shark (Jun 20, 1993 prototype) by MDTravis (more)