Free Open Source Games List. If you have any suggestions for this list or would like your game in here please let me know 🙂
First Person Shooters
AssaultCube Fast paced deathmatch shooter.
Cube Quake like gameplay with an easy to use editor.
Doom Legacy For DOS, Windows, Linux and Mac OS X. Enhances Doom with TCP/IP, OpenGL and more.
Free Doom Aiming to create a complete Doom-based game which is Free Software. Combined with a free source port, extensions made by Doom hobbyists will be playable.
ioquake3 The goal is to create the open source Quake 3 distribution upon which people base their games and projects. Currently requires Quake 3 assets or free assets. The base for many Quake 3 modifications.
Nexuiz – Quake 3 Like Gameplay
Hexen II: The Hammer of Thyrion Crossplatform Hexen II project.
Open Arena – Recreation Of Quake 3 Gameplay with Free Content Assets
Sauerbraten/Cube 2 Single player campaigns and Quake 3 like MP modes with an easy to use editor and in development RPG mode.
Skulltag A Doom & II port aiming to modernize the engine.
Tremulous Tremulous blends a team based FPS with elements of an RTS. Players can choose from 2 unique races, aliens and humans. Players on both teams are able to build working structures in-game like an RTS such as spawns, automated base defense, healing functions and more.
Urban Terror Fast Paced FPS – Only Engine Code is open source, not game code.
Armagetron Advanced Tron like Racing Game.
Torcs The Open Racing Car Simulator aka TORCS is a crossplatform car racing simulation featuring AI.
Tux Racer Tux Racer lets you take on the role of Tux the Linux Penguin as he races down steep, snow-covered mountains. Enter cups and compete to win the title!
Super Tux Kart A Free 3D kart racing game, with many tracks, characters and items.
To Add – Tetris Clones, Bejeweled clones, etc.
Frozen Bubble Bubble Bobble Clone
RPG – Roleplaying & MMO
Adonthell Free Crossplatform RPG
Crossfire Crossfire is an open source, cooperative multiplayer graphical RPG and adventure game with over 150 monsters, 3000 maps to explore, an elaborate magic system, 13 races, 15 character classes, a system of skills, and many artifacts and treasures.
Eternal Lands Free MMO where players can focus on peaceful activities such as collecting resources, creating items, summoning monsters and/or combat with PvP and PvE.
FreeDroid In the style of Diablo FreedroidRPG is a sci-fi isometric role playing game. The player can fight with melee or ranged weapons, take control of his enemies by hacking, and remotely execute code on enemy robots.
NetHack Popular old school RPG that has been updated with improved graphics.
PlaneShift Open Source MMO with a GPL engine but assets are not openly licensed.
Ryzom MMO that has an open source engine and much of the assets are openly licensed however the content such as maps and campaigns are not free nor openly licensed.
Goblin Hack The world’s first smooth-scrolling ASCII graphics adventure game.
Strategy – Real Time Strategy And Turn Based Strategy Games
Battle for Wesnoth A Popular crossplatform Turn Based Fantasy Strategy Game with campaigns, and multiplayer.
Freeciv Inspired by Civiliation
Glest – Crossplatform RTS Game in the style of Warcraft.
Scorched 3D A crossplatform modernization of the turn-based artillery and real-time strategy game Scorched Earth. Includes LAN, internet play and music.
TA Spring Popular recreation of Total Annihilation.
UFO Invasion Turn based combat where you must defend Earth from aliens. Build up your bases, prepare your team for battle in this squad-based tactical strategy game based on X-COM PC games with a twist.
Warzone 2100 A futuristic RTS where you command the forces of The Project in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers campaign, multi-player, and single-player skirmish modes. An extensive tech tree with over 400 different technologies, combined with the unit design system, allows for a wide variety of possible units and tactics.