The 16-bit versions of Trog! are ports of the 1990 arcade game for the SNES, Sega Genesis and Century 16, in addition to the NES counterpart.
The SNES and Century-16 versions was developed by Introware, while the Sega Genesis version was developed by Arc Developments. The SNES and Century-16 versions were published by Acclaim Entertainment, while the Genesis version was published by Acclaim's Flying Edge label. Both version were released in 1992.