Popular games built on game engine Cube Engine

AssaultCube is a FREE, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!

Cube is a freeware 3D first-person shooter game. It can be played both in multiplayer and singleplayer mode. It allows the player to edit maps in-engine in full 3D, this means it is possible to fly around the map, point and drag to raise/lower blocks, create slopes etc. Multiple online players can even edit a map simultaneously.