Greatest Heavyweights Release Dates Greatest Heavyweights Sega Genesis North America Retail Publisher: Sega Release Date: May 26, 1994 Rating: ESRB - Rating Pending Japan Retail Publisher: Sega Release Date: May 27, 1994 Rating: CERO - Rating Scheduling Greatest Heavyweights Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates
North America 
Japan