Crack Down is an action game released for the Sega Genesis in Japan, with different revisions (Rev A) possibly containing bug fixes or minor gameplay adjustments. The game features a focus on fast-paced action and combat. The specifics of the gameplay may vary depending on the genre of action game that Crack Down falls into (run-and-gun, brawler, etc.).  More detailed information about its developer and plot specifics requires further research into Japanese Sega Genesis game releases.

Crack Down (Japan)

Cooler Sonic in Sonic 3 & Knuckles