Original games.
A few original open source video games have attained notability:
* AssaultCube is a first-person shooter
* AstroMenace is a 3D scroll-shooter
* Battle for Wesnoth is a turn-based strategy game
* Blob Wars: Metal Blob Solid is a 2D platform game
* BZFlag is a 3D First person tank shooter (With jumping)
* Chromium B.S.U. is a fast paced, arcade-style, top-scrolling space shooter
* Crimson Fields is a turn-based tactical wargame.[2]
* CodeRED: Alien Arena is a sci-fi first-person shooter derived from the Quake II engine
* Cube 2: Sauerbraten is a 3D first-person shooter with an integrated map editing mode
* Glest is a real-time strategy game, with optional multiplayer
* NetHack and Angband are text-based computer role-playing games
* Netrek is a Star Trek themed multiplayer 2D space battle game
* Nexuiz is a first-person shooter
* OpenArena is a standalone Quake III Arena game
* Opensnc is a game based on the old Sonic games
* Project: Starfighter a multi-directional, objective based shoot-em-up
* Racer a free car simulator
* Slingshot two-person spaceship shooting near planetary gravity
* TORCS (The Open Racing Car Simulator) - considered one of the best open-source racing simulators, with realistic graphics and vehicle handling.[3]
* Tremulous is a 3D first-person shooter/real-time strategy game
* Tux Racer is a 3D racing game featuring Tux
* Urban Terror is a standalone Quake III Arena first-person shooter. (Proprietary mod)
* Vega Strike is a space flight simulation
* Warsow is a Quake-like, fast-paced first-person shooter

Clones and remakes.
There are a larger number of open source clones and remakes of classic games:
* Cave Story is a platformer reminiscent of the Metroid and Castlevania series.
* FreeCiv is a remake of Civilization II
* FreeOrion - is inspired by Master of Orion.[4]
* Frets on Fire is a remake of Guitar Hero
* Frozen Bubble is an adaptation of Puzzle Bobble
* Grid Wars is a remake of Geometry Wars
* Head Over Heels,[5] a ZX-Spectrum action platformer, was remade for Linux, Windows, Mac OS X, and BeOS.
* Hedgewars clone of worms. Worms replaced with hedgehogs.
* N is an Adobe Flash game inspired by Lode Runner and Soldat
* openBVE is a open-source clone of BVE Trainsim
* OpenTTD is a remake of Transport Tycoon Deluxe
* Pingus is a remake of Lemmings
* Scorched 3D is a 3D adaptation of Scorched Earth
* Spring[6] originally is a remake of Total Annihilation, but actually is a platform for real time strategy games
* StepMania is a remake of Dance Dance Revolution
* SuperTux is a remake of Super Mario
* SuperTuxKart and TuxKart are remakes of Mario Kart
* Ur-Quan Masters is based on the original source code for Star Control II
* Warzone 2100 is a real-time strategy and real-time tactics hybrid computer game. Originally published by Eidos Interactive and later released as open source.
* Wormux, an open source clone of the Worms game using free software project mascots instead of worms.
* Bill Kendrick has developed many free software games, most inspired by games for the Atari 8-bit and other classic systems.
