Action 52 is an unlicensed multicart developed and published by Active Enterprises for the NES in 1991. It contains 52 separate games on one cartridge, including the best-known title in the collection, Cheetahmen. Because it was not licensed by Nintendo, the cartridge shell, circuit board and packaging differ from standard licensed NES releases. Complete copies should be checked carefully for the original unlicensed cartridge, box, manual and any included materials rather than compared with reproductions or later aftermarket products. This page covers the original North American Active Enterprises release.