UFO: Alien Invasion Full-Game (PC)
If you're a modder and want to host your files on SI, please use our file uploader.
- Full Game 2.3.1
Here's the latest version of UFO: Alien Invasion.
Full-Game added: 30.11.2010 | ufoai-2.3.1-win32.exe | 524.04 MB | 2129 downloads
- Full Game 2.3 (Windows)
UFO:AI is a squad-based tactical strategy game in the tradition of the old X-COM PC games. It combines turn-based tactical battles with a real-time game of strategic conquest.
Full-Game added: 18.06.2010 | ufoai-2.3-win32.exe | 521.83 MB | 566 downloads
- UFO: Alien Invasion 2.2.1 Full Game (Linux)
Version 2.2.1 of UFO: Alien Invasion for the Linux OS. This release corrects some bugs.
Full-Game added: 29.04.2008 | ufoai-2.2.1-linux.run | 397.56 MB | 473 downloads
- UFO: Alien Invasion 2.2.1 Full Game (Windows)
Version 2.2.1 of UFO: Alien Invasion. This release corrects some bugs.
Full-Game added: 29.04.2008 | ufoai-2.2.1-win32.exe | 385.17 MB | 2730 downloads
- UFO: Alien Invasion 2.2 Full Game (Linux)
The Linux version of this turn-based tactical combat strategy game inspired by the X-Com series and powered by a heavily modified version of the Quake 2 engine.
Full-Game added: 18.01.2008 | ufoai-2.2-linux.run | 396.82 MB | 212 downloads
- Full Release Version 2.2 (Windows)
The team at UFO: Alien Invasion have released version 2.2 of their free UFO project.
Full-Game added: 14.01.2008 | ufoai-2.2-win32.exe | 384.86 MB | 1102 downloads
- Full Game 2.1
Improvements over 2.0 and tons of new content, such as new aliens, new weapons, new maps, new base facilities, new research options and better....
Full-Game added: 02.04.2007 | ufoai-2.1-win32.exe | 252.51 MB | 1095 downloads
- Full Game 2.0
This is the latest version of the free UFO: Alien Invasion game. This patch fixes lots of bugs and makes other changes.
Full-Game added: 29.08.2006 | ufoai-2.0-rc4-win32.exe | 161.14 MB | 953 downloads
- Full Game
UFO: ALIEN INVASION is a strategy game featuring tactical combat against hostile alien forces which are about to infiltrate earth at this very moment. You are in command of a small special unit which has been founded to face the alien strike force.
Full-Game added: 30.05.2006 | ufoai_0.12beta_installer.exe | 114.60 MB | 9335 downloads