- 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
- Jan 1, 2024: New Years 2024 - Sonic Heroes
- Dec 25, 2023: A Very Bandicoot Christmas - Crash Bandicoot: Warped Prototype
- Nov 24, 2023: 6GUN: BattleBourne's Unreleased PlayStation 2 Game
- Oct 31, 2023: Daredevil: The Man Without Fear - Unreleased PlayStation 2 Game
- Feb 28, 2023: Phantasy Star Online Prototype
- Feb 15, 2023: PSP Release Candidates
- Dec 25, 2022: Project Deluge: Xbox 360 and Wii
- Dec 9, 2022: Semradical!
- Nov 24, 2022: Sega Technical Institute’s Cancelled Segapede
- (earlier news)
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Revision as of 03:05, February 2, 2025
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.
- Mar 14, 2026: Hitman: Absolution (Sep 22, 2010 prototype) by Strnadik
- Mar 09, 2026: Ratchet: Deadlocked (Oct 10, 2005 prototype) by ImEliTM
- Mar 03, 2026: Counter-Strike: Global Offensive (Aug 12, 2013 prototype) by CrazyCSIW6, TheTechnoGuy18
- Mar 01, 2026: Highlander (February 28, 2008 11.17 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (February 28, 2008 11.41 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (April 8, 2008 12.40 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (January 18, 2008) by Kabojnk
- Mar 01, 2026: Highlander (April 8, 2008 13.51 Prototype) by Kabojnk
- Mar 01, 2026: Taikodom (February 18, 2010 Tech Demo) by Kabojnk
- Mar 01, 2026: Highlander (February 28, 2008 08.57 Prototype) by Kabojnk
- Feb 28, 2026: Minecraft: Legacy Console Edition (Oct 10, 2014 Xbox 360 prototype) by
- Feb 28, 2026: Minecraft: Legacy Console Edition (Oct 10, 2014 PC prototype) by
- Feb 27, 2026: Catherine (Jun 10, 2011 Dev demo) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Mar 4, 2010 C prototype) by Games' Past
- Feb 27, 2026: Zeno Clash (Feb 2, 2010 prototype) by Games' Past
- Feb 27, 2026: Zeno Clash (Jan 15, 2010 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Jan 11, 2010 C prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Jan 20, 2010 B prototype) by Games' Past
- Feb 27, 2026: Alpha Protocol (March 25, 2010 Debug Prototype) by MrPinball64
- Feb 27, 2026: Dungeon Siege III (March 5, 2010 Prototype) by MrPinball64 (more)
Frogger 2 Motherload Lot
Discuss this release on our Discord server!
Discuss this release on the Highway Frogs Discord server!
Hello everyone! Today we're partnering with Highway Frogs for the release of the Frogger 2 Motherload Lot!
Highway Frogs not only obtained a full development archive of Frogger 2: Swampy's Revenge, but also spent hundreds of hours preparing for this release.
What could they have possibly spent hundreds of hours on, you may ask. Isn't releasing prototypes as simple as dumping CDs/ROMs, and uploading them online?
Here are some of the things they did:
- Over 1000 Pages of Paper Documents needed to be scanned, deskewed, and turned into PDFs.
- Over 200 audio tracks were rendered/mastered extremely carefully using original hardware such as the Yamaha EX-5 and original software like SoundForge 4.0.
- The "End of Project" Tape was damaged by a data recovery company, and it took months of reverse-engineering to recover the data ourselves. ([More Info])
- Source Code Repos for 7 different games/consoles were byte-matched, and made easy to build on modern computers.
- Tools were made for working with some of the backups, such as a 3D object converter, or a compiler/decompiler for game scripts, and more.
- Some prototypes were built using source code/assets found within the backups.
- Almost every single file (> 60k) was thoroughly investigated for any hidden data, what software used it, etc.
- Also juggling several other releases of similar magnitude at the same time. (Coming soon)
- A mod fixing Frogger 2's compatibility issues on modern computers, aka the "Frogger 2 Enhanced PC Port".
- Tons more.
Thank you to Highway Frogs for the big release! There were many people involved in making this release happen, so check out the credits on the release page.
Until next time!
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- Alien: Isolation (prototype) by Funtimeandrefoxy
- Batman: Arkham Asylum (Jul 31, 2009 demo) by Funtimeandrefoxy
- Batman: Arkham Asylum (Dec 14, 2009 demo) by Funtimeandrefoxy
- Batman: Arkham Asylum (Aug 5, 2009 demo) by Funtimeandrefoxy
- Hitman: Absolution (Sep 22, 2010 prototype) by Funtimeandrefoxy
- Build Database PS3 (D prototype) by Funtimeandrefoxy
- Assassin's Creed IV: Black Flag (Jul 22, 2013 prototype) by Funtimeandrefoxy
- Assassin's Creed IV: Black Flag (Jul 24, 2013 prototype) by Funtimeandrefoxy
- Assassin's Creed IV: Black Flag (Jul 18, 2013 prototype) by Funtimeandrefoxy
- Assassin's Creed IV: Black Flag (Jul 19, 2013 prototype) by Funtimeandrefoxy
- Build Database PS3 (C prototype) by Funtimeandrefoxy
- Assassin's Creed: Rogue (Strange Patch Data prototype) by Funtimeandrefoxy
- Leftover Sep 20, 2013 Data by Funtimeandrefoxy
- Assassin's Creed: Rogue (Install Data B prototype) by Funtimeandrefoxy
- Assassin's Creed: Rogue (Install Data A prototype) by Funtimeandrefoxy (more)