Doom II: Hell on Earth is a
first-person shooter video game, the second title of id Software's
Doom franchise. It was originally released for
MS-DOS computers in 1994 and
Macintosh computers in 1995. Unlike
Doom, which was initially only available through shareware and mail order,
Doom II was a commercial release sold in stores.
Master Levels for Doom II, an
expansion pack that includes 21 new levels, was released on December 26, 1995 by
id Software.