sci-fi shooter freeware downloads

HMS Diptera

1.95 freeware download

Sci-fi first person shooter. Whilst beginning your normal patrol route on the ... the night shift. FPS stands for First Person Shooter. FPS games provide complete immersion in the gameplay. ...

Trepidation

0.0.20 freeware download

Trepidation is an open source first person shooter based on the IOQuake3 engine. Trepidation was a ... the intent to build a free first person shooter with a sci-fi theme. The idea was initially ...