Best Free and Open Source Games

  • 0 A.D.

    Free Mac Windows Linux BSD Website

    0 A.D. is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. In short, it is a historically-based war/economy game that allows players to relive or rewrite the history of Western civilizations, focusing on the years between 500 B.C. and 500 A.D. The project is highly ambitious, involving state-of-the-art 3D graphics, detailed artwork, sound, and a flexible and powerful custom-built game engine.

    (Note: The game is still in an alpha stage and is nowhere near being fully complete yet, but please, try the game and help out the game's developers!)


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  • Armagetron

    Free Mac Windows Linux Android Website

    Armagetron is a multiplayer game in 3d that attempts to emulate and expand on the lightcycle sequence from the movie Tron.


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  • Dungeon Crawl Stone Soup

    Free Mac Windows Linux Website

    Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest to rescue the mystifyingly fabulous Orb of Zot.


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  • Endless Sky

    Free Mac Windows Linux Website

    Explore other star systems. Earn money by trading, carrying passengers, or completing missions. Use your earnings to buy a better ship or to upgrade the weapons and engines on your current one. Blow up pirates. Take sides in a civil war. Or leave human space behind and hope to find some friendly aliens whose culture is more civilized than your own...


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  • FreeCiv

    Free Mac Windows Linux Web BSD ... Website

    Freeciv is an open-source, turn-based strategy game based on Civilization II. Inspired by the history of human civilization, the game commences in prehistory and your mission is to lead your tribe from the stone age to the space age...


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  • Freedoom

    Free Mac Windows Linux Website

    Freedoom is a WIP a complete free content game based on the Doom engine. It's not an engine, but it's replacement game data with entirely original content, Compatible with a majority of game mods made for Doom. Comes in Three Flavors~.


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  • Hedgewars

    Free Mac Windows Linux iPhone BSD ... iPad Website

    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. As commander, it's your job to assemble your crack team of hedgehog soldiers and bring the war to your enemy.


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  • MegaGlest

    Free Mac Windows Linux Website

    MegaGlest is an open source 3D-real-time strategy game, where you control the armies of one of seven different factions: Tech, Magic, Egyptians, Indians, Norsemen Persian or Romans. The game is setup in one of 14 naturally looking settings, which -like the unit models- are crafted with great appreciation for detail.


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  • Minetest

    Free Mac Windows Linux Android Android Tablet ... BSD Website

    Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.


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  • NetHack

    Free Mac Windows Linux Web Android ... Website

    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 engine. Unlike many other Dungeons & Dragons-inspired games, the emphasis in NetHack is on discovering the detail of the dungeon and not simply killing everything in sight - in fact, killing everything in sight is a good way to die quickly. Each game presents a different landscape - the random number generator provides an essentially unlimited number of variations of the dungeon and its denizens to be discovered by the player in one of a number of characters: you can pick your race, your role, and your gender.


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  • OpenRA

    Free Mac Windows Linux .NET Framework Mono ... BSD Website

    OpenRA is an open-source reimplementation of Westwood’s Small Command and Conquer iconCommand and Conquer Red Alert game engine, updated to use the hardware acceleration of modern video cards using OpenGL.

    Going beyond the mere implementation, however, OpenRA has become a project with mods which allow players to hearken back to the defining days of the RTS genre and reprise Tiberian Dawn (the original "Command & Conquer") and Dune 2000 as well.


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  • OpenTTD

    Free Mac Windows Linux Android iPhone ... BSD iPad Steam Website

    OpenTTD is a free and open source transportation simulator and clone of the classic game Transport Tycoon Deluxe.


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  • Red Eclipse

    Free Mac Windows Linux BSD Steam Website

    Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion of Cube Engine 2, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments.


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  • Shattered Pixel Dungeon

    Free Android Android Tablet iPhone iPad Windows ... Mac Linux Steam Website

    Shattered Pixel Dungeon is a Roguelike RPG, with pixel art graphics and lots of variety and replayability. Every game is unique, with four different playable characters, randomized levels and enemies, and over 150 items to collect and use. The game is simple to get into, but has lots of depth. Strategy is required if you want to win!

    Based on the source code of Pixel Dungeon, by Watabou.


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  • SuperTux

    Free Mac Windows Linux Android Chrome OS ... Website

    SuperTux is a classic 2D jump'n run sidescroller game in a style similar to the original Super Mario games. Instead of Mario, the hero in this game is Tux, the mascot of the Linux kernel.


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  • SuperTuxKart

    Free Mac Windows Linux Android Chrome OS ... BSD OpenSolaris Website

    SuperTuxKart is a free 3D kart racing game; we want to make the game fun more than we want to make it realistic. You can play with up to 4 friends on one PC, racing against each other or just try to beat the computer (a network multiplayer feature is planned).

    See the great lighthouse or drive through the sand and visit the pyramids. Race underground or in space, watching the stars passing by. Have some rest under the palms on the beach (watching the other karts overtaking you :) ). But don't eat the bananas! Watch for bowling balls, plungers, bubble gum and cakes thrown by opponents.

    You can do a single race against other karts, compete in one of several Grand Prix, try to beat the high score in time trials on your own, play battle mode against your friends, and more!


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  • Teeworlds

    Free Mac Windows Linux BSD Website

    Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!


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  • The Battle for Wesnoth

    Free Mac Windows Linux Android iPhone ... Android Tablet BSD iPad Steam Website

    The Battle for Wesnoth is a turn-based tactical strategy game with a high fantasy theme.

    Build up a great army, gradually turning raw recruits into hardened veterans. In later games, recall your toughest warriors and form a deadly host against whom none can stand! Choose units from a large pool of specialists, and hand-pick a force with the right strengths to fight well on different terrains against all manner of opposition.


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  • Warzone 2100

    Free Mac Windows Linux BSD Website

    Join "The Project" to restore humanity's synaptic-link technology after nuclear war has devastated Earth, rendering it a Warzone 2100.


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  • Xonotic

    Free Mac Windows Linux BSD Website

    Xonotic is a free (GPL), fast-paced first-person multiplayer shooter that works on Windows, OS X and Linux. The project is geared towards providing addictive arena shooter gameplay which is all spawned and driven by the community itself. Xonotic is a direct successor of Small Nexuiz iconNexuiz with years of development between them, and it aims to become the best possible open-source FPS (first-person-shooter) of its kind.


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