- 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
- Nov 23, 2022: Sonic 3 and Feel Preproduction VHS Tapes!
- Oct 31, 2022: Happy Halloween 2022! Castlevania: Symphony of the Night for the Tiger Game.com!
- Jan 1, 2022: New Years 2022!
- Nov 13, 2021: Go Go Goemon! Mystical Ninja Goemon Zero
- Oct 10, 2021: Mortal Kombat prototype for the Sega Mega Drive
- Sep 18, 2021: Project Deluge: Xbox and Dreamcast
- Jul 24, 2021: Angels with Burning Hearts: Burning Rangers Prototype
- May 1, 2021: Crash Landing
- Apr 17, 2021: Project Deluge: PlayStation 1, Saturn, and CD-I (Part 2)
- Mar 20, 2021: Project Deluge: PlayStation 2
- Jan 1, 2021: Dreams Come True: Sonic 1 (MD) Prototype
- (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.
- Jun 19, 2025: Super Street Fighter II Turbo HD Remix (May 12, 2008 prototype) by Cheato
- Jun 19, 2025: Tom Clancy's EndWar (Jun 4, 2008 prototype) by Cheato
- Jun 18, 2025: Full House Poker (Oct 15, 2010 prototype) by Cheato
- Jun 15, 2025: Shadowrun (Dec 12, 2006 Multiplayer prototype) by Cheato
- Jun 12, 2025: Hidden & Dangerous Deluxe (Jan 21, 2002 prototype) by Hogsy
- Jun 12, 2025: Bet on Soldier: Blood Sport (May 30, 2005 prototype) by Hogsy
- Jun 09, 2025: Maxivision 30-in-1 Super Games (Aug 9, 1991 prototype) by Video Game History Foundation
- Jun 09, 2025: Cygnus Force (prototype) by Video Game History Foundation
- Jun 09, 2025: Death Race (prototype) by Video Game History Foundation
- Jun 09, 2025: Trolls on Treasure Island (May 26, 1992 prototype) by Video Game History Foundation
- Jun 09, 2025: Buzz & Waldog (Prototype B) by Video Game History Foundation
- Jun 09, 2025: Crossbow (Early prototype) by Video Game History Foundation
- Jun 08, 2025: DiRT Showdown (Apr 20, 2012 prototype) by AndrewReBullet
- Jun 07, 2025: S.T.A.L.K.E.R.: Shadow of Chernobyl (Aug 21, 2006 prototype) by Anonymous
- Jun 07, 2025: S.T.A.L.K.E.R.: Shadow of Chernobyl (Oct 25, 2005 prototype) by Anonymous
- Jun 06, 2025: Duke Nukem: D-Day (Jun 4, 2001 prototype) by Cpl. Gerardi
- Jun 04, 2025: Nigel Mansell's World Championship Racing (Sep 29, 1992 prototype) by Games That Weren't
- Jun 04, 2025: Bakushou!! Jinsei Gekijou (Oct 13, 1988 prototype) by Video Game History Foundation
- Jun 04, 2025: Takeshi no Sengoku Fuuunji (Jun 4, 1988 prototype) by Video Game History Foundation
- Jun 04, 2025: Death By Degrees (Dec 13, 2004 prototype) by Kempy161 (more)
Merry (S)NESMas! 🎄
For the first day of NESMas, Frank Cifaldi of the Video Game History Foundation brought us a lot of video game prototypes purchased from an estate sale of Steven McKay, who had once been the General Manager of Nintendo’s Mexico division.
The vast majority of the Nintendo prototypes were acquired by Josh Hamblin, who runs SideQuest Games and is one of the organizers for the Portland Retro Gaming Expo. Josh goes more into the back story in a Metal Jesus YouTube video:
Josh has graciously agreed to release the prototypes he acquired after having them graded. He submitted his prototypes to WATA, which provides a service to authenticate, grade, and encapsulate video games in a tamper-proof case. Grading services have been popular in other collecting hobbies, such as coins and cards. With video game collecting becoming more and more popular, grading has arrived to the video games.
Typically, collectors opt to grade rare retail video games, but WATA also offers this service for prototypes, and although it authenticates whether they are legitimate or not, they do not receive a specific grade out of 10. Prototypes, however, are pretty tough to authenticate, thus WATA has turned to Frank Cifaldi of the Video Game History Foundation, who is one of the foremost experts on prototype media, having been in the game for decades, and having handled untold numbers of prototypes himself.
A little known fact is that Frank stipulated that all of his prototype authentication research is eventually made public, which accomplishes a win-win between collectors and prototype enthusiasts. We’re happy to announce that in addition to today’s prototype release, we are also starting to document WATA metadata for their prototype submissions on the wiki.
This includes prototypes that have not had their ROMs releases! WATA does not release ROMs unless they receive explicit permission from the submitter. However, the metadata and authentication text will now be publicly available.
Here are the prototypes from the Josh Hamblin collection. Thanks again to Josh and the Frank Cifaldi for providing these for release!
- 1943: The Battle of Midway (Prototype B)
- 1943: The Battle of Midway (Prototype C)
- Addams Family (Prototype)
- Adventures of Rad Gravity (Prototype)
- Bases Loaded (Prototype C)
- Bionic Commando (Prototype)
- Bubsy II (Jul 12, 1994 prototype)
- D-Force (Prototype)
- Defenders of Dynatron City (Prototype)
- F-117A Stealth Fighter (Prototype)
- Fester's Quest (Prototype)
- Flight of the Intruder (Prototype)
- Galaxy 5000: Racing in the 51st Century (Prototype B)
- Gun.Smoke (Prototype)
- High Speed (Prototype)
- Hit the Ice (Game Boy prototype)
- Irem Skins Game (Prototype)
- King Arthur's World (Oct 21, 1992 prototype)
- Little Nemo (Prototype)
- Mickey's Ultimate Challenge (Aug 25, 1993 prototype)
- Shadowrun (Jan 5, 1993 prototype)
- Solomon's Key (Prototype)
- Super Bases Loaded (Prototype)
- Super Earth Defense Force (Prototype)
- Sword Master (prototype)
- Terra Cresta (Prototype)
- The Addams Family: Pugsley's Scavenger Hunt (SNES Prototype B)
- Ultimate Air Combat (Prototype B)
- Utopia: The Creation of a Nation (Prototype B)
- Where in Time is Carmen Sandiego (Prototype)
- Whomp 'Em (Prototype)
Josh Hamblin has also agreed to release two Sega Genesis prototypes in his collection that were not in the auction – Beyond Zero Tolerance and Dominus.
But that’s not all! Some of the prototypes were bought by Josh Byerly, who also gratiously offered to have his released!
But wait, there’s more gifts!
Finally, Frank himself bought a few of the auctioned prototypes and he is also releasing those today! This includes a US localization of Chester Field which has not been released until now, a more completed version of the unreleased game Titan Warriors (which is really fun and has an awesome sountrack by the way!), as well as a previously unreleased NTSC version of Trolls in Crazyland.
- Chester Field: Ankoku Shin heno Chousen (US prototype)
- Titan Warriors (Prototype B)
- Trolls in Crazyland (Prototype)
- Hatris (Prototype B)
Huge thanks to Josh Hamblin, Josh Byerly, 🎅 Frank Cifaldi for today’s presents!
(psst the VGHF takes donations!)
Stay tuned for tomorrow’s release for more NES goodies!
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- Outlast (Feb 27, 2014 prototype) by Funtimeandrefoxy
- Alone in the Dark (Oct 1, 2008 prototype) by Funtimeandrefoxy
- Alone in the Dark (Sep 26, 2008 prototype) by Funtimeandrefoxy
- Super Street Fighter II Turbo HD Remix (May 12, 2008 prototype) by Cheato
- Tom Clancy's EndWar (Jun 4, 2008 prototype) by Cheato
- Full House Poker (Oct 15, 2010 prototype) by Cheato
- Capcom E3 2003 Press Disk by Funtimeandrefoxy
- Resident Evil: Dead Aim (Dec 10, 2002 Kiosk demo) by Funtimeandrefoxy
- Gathering of Developers Bonus CD Demos and Movies by Funtimeandrefoxy
- Nocturne (Aug 21, 1999 demo) by Funtimeandrefoxy
- Darkstone: Evil Reigns (Aug 4, 1999 demo) by Funtimeandrefoxy
- Age of Wonders (Sep 21, 1999 demo) by Funtimeandrefoxy
- BlackSite: Area 51 (Nov 8, 2007 demo) by Funtimeandrefoxy
- BlackSite: Area 51 (Apr 30, 2007 demo) by Funtimeandrefoxy
- O.D.T. - Escape... Or Die Trying (Aug 25, 1998 demo) by Funtimeandrefoxy (more)