Changes

This page lists the known article is a list of '''commercial games''' and expansions using or based on the [[Doom engine]] or on the assets of the original [[Doom games]], those recreating the [[Doom]] concept, and those otherwise technically related to any such games. See also [[Doom clones]] and [[Fan-made Doom games]] for imitations and spoofs, and [[sales]] for information about how much money the games have made.

Some of the ports are replications faithful reproductions of the DOS version, while others differ considerably. Differences may include modifications to game mechanics, progression, creature design , and game levels, while a . A number of ports offer levels that are not included in the original version (most notably the [[Sony PlayStation]] version, which incorporates [[Doom II]] monsters and other elements into levels based upon the original [[Doom]]).

Finally, note that some games are often believed to use the Doom engine when in fact they did not. For example, [[Amulets & Armor]] merely borrowed the [[map format]] to take advantage of existing [[level editor]]s, but analysis of its engine revealed reveals that it is not derived from Doom.