Open games by popularity
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.
Hurrican
Action, Arcade, Shoot 'Em Up Hurrican is a freeware jump and shoot game that is based on the Turrican game series. Blast your way through nine action-packed levels filled with different enemies and powerups.
Force: Leashed
Arcade, Puzzle Force: Leashed is a free first person gravity fiddler. To advance, you need to guide rockets to their targets using spherical potential fields. And no, it's not like Portal....
FreeDroidRPG
Role-playing FreedroidRPG is a mature open source sci-fi isometric role playing game. It strives at providing an immersive ambience backed by refined graphics and music tracks. Besides the...
openBVE
Simulation, Driving openBVE is a free(as in freedom) train simulator placed in the public domain. This means that you can make any modifications to it you like and share your modifications with...
Puzzle Moppet
Puzzle The Moppet is lost and alone in the space wilderness, feeling sad and depressed. You are its only hope. Can you help? Puzzle Moppet is a 3D puzzle game. You move Moppet around...
GMChess
Strategy, Boardgame, Turn-based GMChess is an open source Chinese Chess based on XiangQi Wizard. Chinese chess (Xiangqi) is one of the most popular chess games to have originated in China.
jGameBase
jGameBase is a Java port of GameBase, a fully-featured retro-gaming emulator frontend and game database utility (e.g. GB64 Collection of C64 games). It supports virtually any...
Zero Ballistics
Action Zero Ballistics is a unique blend of multiplayer first person shooter and tank combat game. Easy to learn, difficult to master was our mantra during the development of the game....
Vulture
Role-playing, Roguelike Vulture is an isometric graphical user interface for NetHack, SLASH'EM, and UnNetHack. The Vulture project continues the abandoned Falcon's Eye project and is maintained by Clive...
Harris
Simulation, Strategy, Turn-based Harris is a strategy game based around the actions of RAF Bomber Command in the Second World War. In Harris, you take on the role of the Commander-in-Chief of Bomber Command,...
Stendhal
Role-playing, MMO Are you looking for adventure? Want to fight for riches? Develop yourself and your social standing? Meet new people? Do you want to be part of a brave new world? Stendhal is a...
Bygfoot
Simulation, Economy Bygfoot is a football (a.k.a. soccer) management game for Linux and other UNIX look-alikes. Bygfoot allows you to manage a team by training the players, buying and selling them...
EasyRPG
The EasyRPG-Project aimed at producing a free RPG Maker 2000/2003 clone, featuring game interpreter(See: EasyRPG-Player), game editor and art replacement. The EasyRPG editor wants...
NetHack
Role-playing, Roguelike NetHack is a single player dungeon exploration game that runs on a wide variety of computer systems, with a variety of graphical and text interfaces all using the same game...
THz (Terahertz)
Action, Roguelike "Void Mission" is a sci-fi action roguelike divided into three episodes. The action takes place in a 2-D pixeled future in which you fly a transforming humanoid/jet suit in both...
