Mickey's Ultimate Challenge (Nov 12, 1993 prototype)

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Title Screen
Mickey's Ultimate Challenge (Nov 12, 1993 prototype)
Build date Nov 12, 1993
Build name N/A
Dump status Released, redump needed
Dumped by Video Game History Foundation
Released by Hidden Palace
File release date January 1, 2022
Origin EPROM cartridge
Labels N/A
Game Mickey's Ultimate Challenge
System Game Boy
Genre Action
Final build JP Unreleased
US Mar 7, 1994
Release date JP Unreleased
EU 1994
US May 1994
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A prototype of Mickey's Ultimate Challenge for the Game Boy.


  • An early build dated four months prior to the final build.
  • The copyright year (which is 1994 in the final game) is missing from the copyright screen.
    • This is also the case for the title screen. Additionally, the copyright placement on the title screen is slightly different.
  • The game has no music or sound effects.
  • Mickey's sprite is unfinished and appears to be missing a large number of pixels.
  • The character seemingly cannot be changed on the character select screen.
  • The opening animatic is not present.
  • Mickey lands in a slightly different position on the tower in Beanswick as he does in the final. Addiitonally, the character nearby is absent.
  • A large number of sprites and rooms are extremely unfinished and different.
  • Text boxes are often a different shade to their final appearance.
  • Some scenes are replaced with blank screens with the name of the scene on them.
  • Challenges often differ from their usual goal.
  • Some challenges and rooms appear to not be present at all.
  • Game does not appear to be beatable.
  • It's possible to walk on the water.



File Type Date Size Comment SHA-1
Mickey's Ultimate Challenge (Nov 12, 1993 prototype).gb ROM file 2020-09-28 21:20:00 128 KB ROM file. e6809004a3af32235e55a300f53b421a00c57b98


Special thanks to Frank Cifaldi at the Video Game History Foundation and the anonymous donor for this part of the lot! A huge thanks to Hwd45 for researching this prototype!

See also