1) DOS game 2) First-person shooter 3) MacOS game
Found on
https://www.crosswordclues.com/clue/freedoom
Freedoom is a free first-person shooter under continuous development. The project distributes three IWAD files: the single player campaigns named Freedoom: Phase 1 and Phase 2, and FreeDM, which contains a collection of deathmatch levels. The project presents itself as complementary to the free source code of the Doom engine released by id Softwar...
Found on
http://en.wikipedia.org/wiki/Freedoom
No exact match found.
