Open games by popularity
The term open is used for games when most parts of the source code are publicly available.
Many of these games are published under the GNU General Public License (GPL) but also a wide variety of different licenses are used as well, some are more popular than others and some are custom ones. A game can have more then one license, one for the engine and another one for artwork or music. A game who's artwork is not published under an open source license is still eligible for this tag if the game code is.
The Elder Scrolls III: Morrowind (OpenMW)
Role-playing OpenMW is an attempt to reimplement the popular role playing game Morrowind. It aims to be a fully playable, open source implementation of the game. You must own Morrowind to use...
FreeSpace 2 Open
Action, Shooter From the time it became apparent that there would be no FS3 the most repeated complaint the community had was that Volition wouldn't release the source code so that the community...
Heroes of Might and Magic III (VCMI)
Role-playing, Strategy, Turn-based VCMI is attempt to rewrite the entire H3 engine (VCMI is NOT another mod) giving it new possibilities. Many months of intensive work resulted in creating application with...
Minetest-c55
Role-playing Minetest-c55 is one of the first InfiniMiner/Minecraft inspired games, with a goal of taking the survival multiplayer gameplay to a slightly different direction.
FLARE
Action, Role-playing Free Libre Action Roleplaying Engine is a simple game engine built to handle a very specific kind of game: single-player 2D action RPGs. Flare is not a reimplementation of an...
UFO: Alien Invasion
Strategy, Turn-based It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your team, and dive head-first into...
Stunt Rally
Simulation, Driving The game features 70 tracks in 11 sceneries, 10 cars and a Track Editor. It focuses on closed rally tracks with possible stunt elements (jumps, loops, pipes). Since version 1.5...
Pokemon Online
Arcade, Strategy, Turn-based Pokemon Online is the most up to date Pokemon Battle Simulator that allows a person to experience real time Pokemon battles against Pokemon players from all over the globe. Its...
Zero-K
Strategy, Total conversion, Real-time Zero-K is a FREE, multiplatform, open-source RTS game. It aims to be dynamic, action-packed and hassle-free, full of clever strategies and constantly moving combat with games...
Terasology
Role-playing Terasology is a game that pays ample tribute to Minecraft in initial look and origin, but stakes out its own niche by adopting the NPC-helper and caretaker feel from such games as...
TORCS
Simulation, Driving The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It...
Story of a Lost Sky
Role-playing, Turn-based Story of a Lost Sky is a Turn Based Strategy RPG with gameplay that is similar to Fire Emblem. Units are placed on a tile map and each side takes turns moving and attacking....
Endgame: Singularity
Strategy, Economy Endgame: Singularity is a simulation of a true AI. Go from computer to computer, pursued by the entire world. Keep hidden, and you might have a chance.
Dungeon Crawl Stone Soup
Adventure, Roguelike Dungeon Crawl Stone Soup is a fun, free rogue-like game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest for the...
Open Imperium Galactica
Strategy, 4X, Real-time Open-IG is an open source clone of the Digital Reality game Imperium Galactica, a popular real time space strategy game developed around 1996 in Hungary. Open-IG attempts to mimic...
Unvanquished
Action, Shooter Unvanquished is a free and open-source team-based first person shooter based on Tremulous and created by Unvanquished Development. Unvanquished is a split from the TremZ project,...
GemRB
Role-playing GemRB (Game engine made with preRendered Background) is a portable open-source implementation of Bioware's Infinity Engine. It was written to support pseudo-3D role playing games...
