Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.

Homebrew: Patent Unknown - Homebrew: Patent Unknown is an Action-Adventure, Sports, and Multiplayer video game developed by Copybugpaste.

Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Cosmoteer: Starship Architect and Commander - Cosmoteer: Starship Architect and Commander published and developed by Walternate Realities is a Strategy, Single-player, and Multiplayer Simulation.

Rage - Rage Software, also Rage Games and FX Digital Network, was a British video game developer.

Rover Builder - Rover Builder developed and published by Hatfuls Games is a Building, Strategy, and Single-player Simulation.