It’s the aliens versus the Humans in this open source first person shooter. Its basically just team battle with the humans trying to eliminate the alien species and vice versa. It uses the Quake 3 engine to bring more realistic levels and characters. My favorite feature of Tremulous is that the alien creatures can scale the walls.
Completely Free?
As with all of the posts on this blog, none of the games have spy ware or any other annoying catch to it. Tremulous using open source software without any extra spy ware.
