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Open Source Games
OpenTTD -
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe (Transport Tycoon)
Xonotic -
Xonotic is an addictive arena-style first person shooter with crisp movement and a wide array of weapons. It combines intuitive mechanics with in-your-face action to elevate your heart rate.
SuperTuxKart -
SuperTuxKart is a 3D open-source arcade racer with a variety characters, tracks, and modes to play. (Mario Kart)
0 A.D. -
A free, open-source game of ancient warfare
Cataclysm: Dark Days Ahead -
Cataclysm: Dark Days Ahead is a turn-based survival game set in a post-apocalyptic world. Struggle to survive in a harsh, persistent, procedurally generated world. Scavenge the remnants of a dead civilization for food, equipment, or, if you are lucky, a vehicle with a full tank of gas to get you the hell out of Dodge.
Unciv -
An open source, mod-friendly Android and Desktop remake of Civ V, made with LibGDX (Civilization)
FreeCiv -
Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. (Civilization)
Warzone 2100 -
A 100% free and open-source 3D real-time strategy game. (Red Alert)
Dungeon Crawl Stone Soup -
An open source roguelike adventure through dungeons filled with dangerous monsters in a quest to find the mystifyingly fabulous Orb of Zot.
Minetest -
An open source voxel game engine. Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server. (Minecraft)
Mindustry -
An open-ended factory management game with a focus on tower-defense and RTS elements.
Hedgewars -
Hedgewars is a turn-based strategy, artillery, action and comedy game, featuring the antics of pink hedgehogs with attitude as they battle from the depths of hell to the depths of space. (Worms)
The Ur-Quan Masters -
The Ur-Quan Masters is a re-make of Star Control II, an action-adventure science fiction game set in an open universe. The game includes exploration, resource-gathering, combat, and diplomacy. (Star Control 2)
OpenRA -
Red Alert, Command & Conquer, Dune 2000, Rebuilt for the Modern Era.
UFO: Alien Invasion -
UFO: Alien Invasion is a squad-based tactical strategy game in the tradition of the old X-COM PC games, but with a twist. Our game combines military realism with hard science-fiction and the weirdness of an alien invasion. The carefully constructed turn-based system gives you pin-point control of your squad while maintaining a sense of pace and danger.