Doom is one of the most widely portedcomputer games in the first-person shooter genre: starting with the original MS-DOS version (released as shareware on December 10, 1993), it has been released officially for 7 computeroperating systems and 9 different video game consoles.
Doom was officially released for the Acorn Risc PC by R-Comp Interactive in 1998.
An official version of Doom II was released in 2004, as well as a source port [1] which requires the original Doom WADs.