Road Riot 4WD (Prototype)

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Title Screen
Road Riot 4WD (Prototype)
Build name N/A
Dump status Released, redump needed
Released by Hidden Palace
File release date January 1, 2022
Origin EPROM cartridge
Labels N/A
Game Road Riot 4WD
System Sega Mega Drive
Genre Racing
Final build JP Unreleased
EU Unreleased
US Unreleased
Release date JP Unreleased
EU Unreleased
US Unreleased
Release date Unreleased
Download Road Riot 4WD (Prototype) (info)
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A prototype of Road Riot 4WD for the Sega Mega Drive.


  • Unreleased Sega Mega Drive port of the arcade game by Atari Games. Port developed and published by Tengen.
  • Was shown for the first time at the Winter CES of 1992, and then shown again at the Summer CES that same year.
  • Cancelled for unknown reasons, however the game would appear on the SNES in late 1992 developed by another studio.
  • Source code for this port was recently discovered, but possibly incomplete. This comes from an original EPROM cartridge.



File Type Date Size Comment SHA-1
Road Riot 4WD (Prototype).md ROM file 1990-11-21 04:00:00 1 MB ROM file. dfba43d985fcfed0bd83588435088114cf16f379


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