Also known as X-COM: Terran Defense Force, UFO: Enemy Unknown, UFO
Turn-Based Strategy, 1994Playable demo, Playable demo, FAQ
Also known as Xargon: Beyond Reality
Platform, 1993Full version, Source code, Editor
Also known as Arena
Fighting, 1996Full version
Shooter, 1992Freeware
Traditional, 2023Freeware (installed), Freeware
Shooter, 1993Shareware, Update
Adventure, 1991Full version