Crack Down for Genesis was released on May 11, 1991 in North America by Sage's Creation.
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PC [Steam] [US] (june.1, 2010) "Crack Down [Model 34273]" : both stand-alone and as part of "Sega Genesis Classics Pack 1"
PC [MS Windows, DVD-ROM] [US] (mar.15, 2011) "Sega Genesis Classic Collection - Gold Edition"
PC [Steam] [US] (mar.25, 2011) "SEGA Genesis Classics Collection"