If you enjoy playing games you may have already checked out Death Rally Car Racing game. But if are looking for a free and open source first person shooter game for your computer, you might want to check out Red Eclipse.
Red Eclipse is a first-person ego-shooter, built as a total conversion of Cube Engine 2. The flow, pacing, and level design are akin to Unreal Tournament, while aspects like burning, bleeding, and some weapon behavior have been adopted from Team Fortress 2. The style of play is comparable to Quake III Arena or Unreal Tournament.
Red Eclipse includes an Editor that lets you create and modify the Maps. The game already features a good number of maps, but still, users can create their own maps with this in-game editor.
The game offers single-player as well as a multi-player mode.
Red Eclipse is a cross-platform game and runs on Windows, Linux and Mac too. You can download the installers here at Sourceforge. It’s a 465 MB download for Windows.