- Oct 31, 2026: Happy Halloween 2026! A Journey Through STI's Early Years
- 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 22:03, June 29, 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.
- Nov 11, 2026: BandFuse: Rock Legends (Oct 25, 2013 prototype) by Gonzo
- Nov 11, 2026: BandFuse: Rock Legends (Oct 24, 2013 prototype) by Gonzo
- Nov 11, 2026: BandFuse: Rock Legends (Jul 2, 2013 prototype) by Gonzo
- Nov 11, 2026: BandFuse: Rock Legends (Jun 27, 2013 prototype) by Gonzo
- Nov 10, 2026: Halo Wars (Dec 16, 2008 prototype) by Gonzo, Not over
- Nov 10, 2026: Blazing Angels: Squadrons of WWII (Feb 6, 2006 prototype) by AMSNL
- Nov 09, 2026: Hitman: Blood Money (Feb 13, 2006 prototype) by AMSNL
- Nov 09, 2026: Tom Clancy's Splinter Cell: Double Agent (Jul 4, 2006 prototype) by AMSNL
- Nov 09, 2026: Tom Clancy's Splinter Cell: Double Agent (Jan 25, 2006 prototype) by AMSNL
- Nov 06, 2026: InVersion (Feb 19, 2012 prototype) by C5R35
- Nov 06, 2026: God Mode (May 16, 2012 prototype) by C5R35
- Nov 05, 2026: Pet Alien (prototype) by
- Nov 03, 2026: FIFA Soccer 2005 (Jul 5, 2004 prototype) by C5R35
- Oct 31, 2026: Kid Chameleon (Prototype B) by CartridgeCulture
- Oct 31, 2026: Jester (February 12, 1993 prototype) by CartridgeCulture
- Oct 31, 2026: Treasure Tails (April 6, 1993 prototype) by CartridgeCulture
- Oct 31, 2026: B-Bomb (October 2, 1992 prototype) by CartridgeCulture
- Oct 31, 2026: God Mode (Jul 6, 2012 prototype) by C5R35
- Oct 31, 2026: Segapede (January 25, 1994 prototype) by CartridgeCulture
- Oct 31, 2026: Little Monsters (March 19, 2009 prototype) by Gonzo (more)
Presenting, a contribution from MrPinball64 and Billscat-socks!
Animaniacs: Hollywood Hypnotics is the only known title in the series of Animaniacs games that, up until now, was completely lost. The game was also something of a milestone for its developer, Full Fat Productions, despite its eventual cancellation.
Based out of Warwick, England, Full Fat Productions is a British developer with humble beginnings as an art studio, taking on contract work for pixel art that appeared in the games of other well-known British developers in the '90s, such as Codemasters and the now-defunct Blitz Games. While the company didn’t officially incorporate until 1996, it wouldn't be until another four years later in 2000 when they began developing games in-house. Like Animaniacs, most of their early output was based on licensed properties for the Game Boy Advance.
As it turns out, an Animaniacs game was the first project Full Fat decided to tackle for the Game Boy Advance, and this was before the handheld had even launched (it wouldn’t release until 2001). This first iteration of the project is only known to have been originally contracted by publisher Conspiracy Entertainment, but any other information as of writing is unfortunately lost to time. Interestingly enough, Full Fat was also working on the unreleased Dreamcast title The Flintstones in Viva Rock Vegas around the same time, also for Conspiracy.
Unfortunately for Animaniacs, the project was canceled as Full Fat chose to redirect its focus toward other contracts with publishers like Acclaim, Atari, and Midway. While details become murky at this point, it’s understood that the project was revived, likely sometime in 2001, only this time at the request of publisher Swing! Entertainment. Considering Swing later published Animaniacs: The Great Edgar Hunt for GameCube, Xbox, and PlayStation 2, as well as other licensed cartoon titles like Tiny Toon Adventures (they were also slated to publish the unreleased Tiny Toon Adventures: Defenders of the Universe for PS2), it’s not surprising they also wanted to bring Animaniacs to the GBA.
This second version of the game would become Hollywood Hypnotics. Rather than picking up from where the first version left off, however, development started from scratch. Still, progress was rocky. As was common in the industry back then, publishers like Swing would contract developers like Full Fat and pay them based on mutually agreed-upon milestones, but it wasn’t uncommon for those milestone payments to go unanswered. This led to staff being often reassigned to other projects, leaving Hollywood Hypnotics in a constant state of limbo.

So, was the game ever finished despite this turbulent development cycle? Funnily enough, it seems not even Full Fat themselves know the answer. In fact, as of this writing, Animaniacs is still listed under the GBA section of Full Fat’s website, alongside their released titles. A pre-production image of the game’s packaging, including the box, cartridge, and manual, also exists online, strongly suggesting that the project had reached the manufacturing prep stage. Unfortunately, Swing! Entertainment entered insolvency proceedings in 2003, the same year the game was planned for release, which provides a pretty clear answer as to why it was ultimately shelved.

But was the game finished? With today’s release, we can now confidently say yes, it was! Though still rough around the edges, the build we’re sharing today is playable all the way through to the final “battle” with Pinky and the Brain. Gameplay-wise, it’s somewhat akin to the Dizzy the Adventurer series: players solve puzzles across six studio lots using items found around the map or traded with NPCs. While the puzzles are generally straightforward, the game’s roughness does show in places. Players may find themselves stuck due to non-obvious alternate paths, unclear item interactions, and misleading NPC dialogue. There's also a double-jump mechanic that can be glitched through rapid button mashing. In fact, the ease of triggering it suggests it might be a bug, but the game begins requiring the extra height around half-way through, so it's a mystery whether this mechanic was going to be further refined or just left as-is.
Graphically, the game’s polish is inconsistent in parts. Some areas show clashing art styles, which may reflect either incomplete development or the game’s modest budget. For instance, fans of Animaniacs may recognize that all player graphics are directly based off of those from the 1994 Sega Genesis game, although they now feature additional shading and many new animations added to the original set. However, the additional animations added to those graphics are quite solid thanks to the work of veteran pixel artist Simon Butler, and many NPCs look like they could’ve walked straight out of the cartoon. The talking head graphics during character dialogue scenes are somewhat off-model, but anyone who remembers the inconsistent animation between different studios who animated the original show back in the '90s will likely find a certain charm here. Combine all of this with a script that feels very much in line with the show's writing style and it's clear there was some effort to capture the Animaniacs spirit in this.

In addition to this game, we're also releasing two very early builds of Justice League: Chronicles, which were on the same flash cartridge that Animaniacs was found on. These are very early tech demos, both dated March 3, 2003, on the cartridge, so it's possible this could also represent a date for the Hollywood Hypnotics build, but there's no way to confirm this for certain.
And finally, from the same lot, a prototype of Freekstyle.
You can also see all of them on the Full Fat lot page.
We'd like to thank MrPinball64 for acquiring these prototypes and letting us release them, as well as Billscat-socks for writing the article and playing it on stream. We'd also like to extend a huge thanks to Andrew Docking, Full Fat's former tech director, for helping fill in the blanks on the game's development, and to Simon Butler, the game's pixel artist, for his support!
Until next time!
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