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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

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)

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 forum topics

Latest news

Sonic Adventure 2 (May 21, 2001 prototype)
Championship Surfer (Aug 15, 2000 prototype)
Dave Mirra Freestyle BMX (Sep 20, 2000 prototype)
Dave Mirra Freestyle BMX (Nov 2, 2000 prototype)
Demolition Racer: No Exit (Aug 2, 2000 prototype)
Tee Off (Dec 8, 1999 prototype)

Discuss this release on the boards here!

Time for another round of Sega Dreamcast prototypes!

First we have a review prototype of Sonic Adventure 2! This prototype is dated a week before the final release, and contains a few differences in comparison. Most of the changes were done to a few object layout files along with a few other files as well. Can you find the differences?

Next we have two Dave Mirra Freestyle BMX prototypes. One is a relatively early preview copy while the other is a somewhat late review build. We also have a prototype of Demolition Racer: No Exit as well that was compiled a month before the final build. Finally, we also have a late localization prototype of Tee Golf too. It’s a prototype potpourri!

On the subject of Sega Dreamcast prototypes, we discovered a few prototypes we had in our collection were already dumped by Laurent and some other folks over the years as well. We redumped these games and provided more accurate dumps to replace the old inaccurate ones. These games are 4x4 Evolution (Jan 9, 2001 prototype)‎, Ready 2 Rumble Boxing (Jul 7, 1999 prototype)‎, Confidential Mission (Mar 3, 2001 prototype), and South Park Rally (Jun 9, 2000 prototype). Be sure to grab them!

Throughout the rest of March we will be releasing more prototypes specifically for the Sega Dreamcast. What other surprises are around the corner?

Until next time!