Action 52 features 52 different games in a single cartridge! The games are selected from one of three menus and are mostly side scrolling, platform or shooter action games.

A collection of pathetically bad programs (mostly bad takes on popular titles) written especially for this cartridge by Action Industries. Produced without Sega's approval.

Dr. Morbis is out to destroy the Cheetahmen with all new traps and dangers. It is up to the Cheetahmen to make their way to Dr. Morbis' secret (and heavily guarded) laboratory to battle Dr. Morbis and his sub-humans (including the new, powerful ape-man). Cheetahmen II is a side scrolling platform game with arcade style action. There are three different Cheetahmen to control, a different one every second level.

The game was never released, and was never finished. As such, it's unplayable even by Active Enterprises' dismal standards.

NOTE: The fifth and sixth levels are unplayable outside of a very rare glitch.