Muhammad Ali Heavyweight Boxing (Later prototype)

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Title Screen
Muhammad Ali Heavyweight Boxing (Later prototype)
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 Muhammad Ali Heavyweight Boxing
System Sega Mega Drive
Genre Boxing
Final build JP Unreleased
Release date JP Unreleased
EU 1992
US 1992
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A prototype of Muhammad Ali Heavyweight Boxing for the Sega Mega Drive.


  • Late prototype.
  • Header changes:
    • publisher code is T-50 instead of VRGN.
    • Release year is 1992.XXX where it's 1992.NOV in the final.
    • Serial is GM T-XXXXX-XX in this build, GM T-70056-00 for the final.
  • Easier to return to title screen from 3D intro in the final.
  • Title screen is missing the Licensed by Sega Enterprises, Ltd.



File Type Date Size Comment SHA-1
Muhammad Ali Heavyweight Boxing (Later prototype).md ROM file 2021-05-05 00:04:00 1 MB ROM file. 6998a1868d142059af77f7d16b5ada8143b282c7


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 ehw for researching this prototype!

See also