Alternatives to Xonotic

Multiplayer & singleplayer first person shooter

First person shooter engine

First-person shooter, first in a trilogy

Real-time strategy game

2D and 3D game engine

Game launcher

First-person shooter, second in a trilogy

First-person shooter, third in a trilogy

Kart racing game

Real-time strategy game engine for Westwood games

Rhythm game

Multiplayer online battle arena game