List of open-source video games
Open engine and free content
The games in this table are developed under a free and open-source license with free content which allows reuse, modification and commercial redistribution of the whole game.

List of open-source video games

Section Title: Open engine and free content
Table Section Text: The games in this table are developed under a free and open-source license with free content which allows reuse, modification and commercial redistribution of the whole game.

Title	First release	Last release	Genre	Engine license	Content license	Dimensions	Other information

Pixel Zone	2018	2019	Platformer	MIT	MIT	2D	Simple 2D Platformer-game made in Godot Engine 3.1 by Master - Games, the developers team from Master, Inc.

0 A.D.	2009	2018	RTS	GPLv2+	CC BY-SA 3.0	3D	Historical, cross-platform RTS, using an original engine named Pyrogenesis. Game source-code released July 10, 2009.

2048	2014	2014	Puzzle	MIT	MIT	2D	A sliding block puzzle game.

Abuse	1996	2011	Run and gun	Public domain software	Public domain	2D

Argentum Online	1999	2018	MMORPG	GPLv3+	GPLv3+	2D	First Open Source MMORPG developed in Argentina.

Armagetron Advanced	2001	2016	Racing	GPLv2+	GPLv2+	3D	A multiplayer, 3D Tron lightcycle racing game.

AstroMenace	2007	2013	Arcade	GPLv3+	GPLv3+, CC BY-SA 4.0	3D	A top-scrolling space shooter.

Ballerburg	1987	2008 (ports)	Artillery game	Public domain software	Public domain	2D	Public domain software on the authors website with source code. Later ported to other systems as Linux, MacOS, iOS etc.

The Battle for Wesnoth	2005	2019	TBТ	GPLv2	GPLv2	2D	Turn-based tactical strategy game with RPG elements. Includes single-player campaign and skirmish modes as well as multiplayer.

Biniax	2005	2012	Puzzle	zlib	zlib	2D	?

Blob Wars	2003	2009	Platformer, Action-adventure	GPLv2	GPLv2, CC BY-SA, other open source	2D, 3D	?

Bos Wars	2004	2013	RTS	GPLv2	GPLv2	Isometric 2D	2D RTS running on a modified version of the Stratagus engine.

BZFlag	1997	2018	Tank FPS	LGPLv2.1	LGPLv2.1	3D	A first-person shooter 3D tank based multiplayer online game.

C-Dogs SDL	2002	2018	Run and gun	GPLv2	CC0, CC BY, CC BY-SA	2D	Overhead run and gun, with hotseat co-operative and deathmatch play for up to four players.

Candy Box 2	2013	2017	incremental browser video game	GPLv3	GPLv3	2D	The TypeScript source code of Candybox2 was released under the GPLv3.

Candy Crisis	1999 (2005)	2015	Tile-matching	GPLv2	GPLv2	2D	A tile-matching game inspired by Puyo Puyo in which the player must align candy-shaped tiles in groups of 4 or more to score points.

Cart Life	2011	2017	Simulation	Cart Life's Free License (permissive license)	Cart Life's Free License (permissive license), Freeware	2D	In March 2014 the source code and game was made available by Richard Hofmeier for free online, saying he was finished supporting the game.

Cataclysm: Dark Days Ahead	2013	2019	RPG/Roguelike	CC BY-SA	CC BY-SA	2D	A post-apocalyptic, survival roguelike with an open-ended gameplay. Had a successful crowdfunding campaign on kickstarter.com on 22 June 2013.

Chromium B.S.U.	2000	2016	Arcade	Clarified Artistic	MIT	?	A fast-paced, arcade-style, top-scrolling space shooter

Cocaine Diesel	2018	2019	Action FPS, Quake-like	GPLv3+	CC-BY-SA	3D	Running on Qfusion

Colobot	2001	2018	RTS, Educational	GPLv3+	GPLv3+	3D	Source code released in 2012

Colossal Cave Adventure	1976	1995	Text adventure	Public domain software	Public domain	Text	The original text adventure game by Crowther / Woods.

Core War / pMars	1984	1984	programming game	various (public domain, BSD, GPL)	various	Text	Original created by D. G. Jones and A. K. Dewdney, continued until today by the community.

Crossfire	1992	2017	MMORPG	GPLv2+	GPLv2+	?	Crossfire originally started as a Gauntlet clone developed by Frank Tore Johansen at the University of Oslo, Norway.

Diamond Trust of London	2012	2012	TBS	Public domain software	Public domain	2D	Following a Kickstarter crowdfunding campaign Diamond Trust of London was developed by Jason Rohrer and published by indiePub. On August 28, 2012 it was released for the Nintendo DS.

DRL	2013	2016	Roguelike	GPLv2+	CC BY-SA 4.0	2.5D	Based on Doom and Doom II.

Duck Marines	2014	2016	Puzzle	2D	Remake of Sonic Team’s ChuChu Rocket.

Dungeon Crawl Stone Soup	2006	2018	Roguelike	GPLv2+	CC0	2D	An open-source fork of the 1997 game Linley's Dungeon Crawl.

Empty Epsilon	2016	2019	Space bridge simulator	GPLv2	GPLv2	2D, 3D	Heavily inspired by Artemis: Spaceship Bridge Simulator with 5 control stations per ship and additionally one person being the "Captain".

Endgame: Singularity	2005	2011	science fiction/AI simulation game	GPLv2	GPLv2	2D	written in Python

Endless Sky	2015	2017	Space Sim	GPLv3	GPLv3	2D	Inspired by Escape velocity sandbox with the single player company missions.

Enigma	2003	2014	Puzzle	GPLv2	GPLv2	2D	Oxyd clone.

Fish Fillets NG	2004	2011	Puzzle	GPLv2	GPLv2	?	Released commercially as Fish Fillets in 1998. Source released in 2002 under the GPL.

Flare	2013?	2018	RPG, Action-adventure	GPLv3	GPLv3	2D	Flare is an open source, 2D action RPG licensed under the GPL3 license. Its game play can be likened to the games in the Diablo series.

FlightGear	1997	2018	Flight Sim	GPLv2	GPLv2	3D	Microsoft Flight Simulator inspired clone.

Freeciv	1996	2018	TBS	GPLv2	GPLv2	Isometric 2D	Civilization II clone.

FreeCol	2003	2015	TBS	GPLv2	GPLv2	Isometric 2D	Sid Meier's Colonization clone.

Freedoom	1993 (2001)	2017	FPS	GPLv2+ (requires a Doom engine)	BSD 3-clause	2.5D	Doom content/resource clone.

FreedroidRPG	2002	2016	RPG	GPLv2+	GPLv2+	2.5D	Diablo/Fallout style game inspired by Paradroid.

Frozen Bubble	2002	2008	Puzzle	GPLv2	GPLv2	2D	Puzzle Bobble clone.

Gang Garrison 2	2008	2018	Shooter	MPLv2	MPLv2	2D	A retro "demake" of Team Fortress 2. The project was previously under GPLv3.

Glest	2004	2008	RTS	GPL	CC BY-SA	3D	3D RTS game with two factions, A.I. and same-platform networking support.

Globulation 2	2008	2009	RTS	GPLv3	GPLv3	2D	Currently[when?] in open beta.

GLtron	2003	2016	Racing	GPL	GPL	3D	Based on the light cycle portion of the film Tron.

GNOME Games	1997	2018	Various	GPL	GPL	?	A collection of games accompanying the rest of the GNOME desktop environment.

GNU Backgammon	1999	2017	TBS	GPLv3	GPLv3	Text, 2D, 3D	Backgammon playing and analysis engine with various interface options, developed by the GNU Project.

GNU Chess	1984	2017	TBS	GPLv3	GPLv3	2D	Chess playing engine developed by the GNU Project

GNU Go	1999	2009	TBS	GPLv3	GPLv3	?	Go playing engine developed by the GNU Project

Golden Age of Civilizations	2014	2017	Time-based strategy	CC-LGPL 2.1	CC-LGPL 2.1	2D	A time-based MMO strategy game, mostly based on the FreeCiv.

Hedgewars	2007	2018	Artillery game	GPLv2	GPLv2	2D	Worms clone.

HyperRogue	2011	2018	Puzzle/Roguelike/Educational	GPLv2	GPLv2	Hyperbolic	Puzzle roguelike in the hyperbolic plane.

heXon	2016	2017	Arcade	MIT	GPLv2, CC BY-SA	3D	Twin-stick-shooter

Infiniminer	2009	2009	Open world game	MIT	MIT	3D	Minecraft predecessor by Zach Barth.

kdegames	1997 1998	2009	Various*	GPLv2	GPLv2	*Collection of games provided with the official release of KDE.

kiki the nano bot	2003	2007	Puzzle	Public domain software	Public domain	3D	Mixture of Sokoban and Kula World.

Lincity	1999	2013	City-building game	GPL	GPL	2.5D	SimCity clone.

Linley's Dungeon Crawl	1997	2005	Roguelike	LGPL	LGPL	?	Roguelike game.

Liquid War	1995	2015	Maze games	GPL	GPL	2D	2D game in which you control particles and move them to defeat the opposing side.

Lugaru	2005	2017	Action Third Person	GPLv2+	CC BY-SA	3D	A game by Wolfire Games where the player is an anthropomorphic rabbit who seeks revenge when a group of enemy rabbits kill their family.

Maelstrom	1992	2010	Shoot 'em up	GPL	CC-BY	2D

Magarena	Card	2D	Single-player fantasy card game played against a computer opponent.

MegaGlest	2010	2016	RTS	GPL	CC BY-SA	3D	Cross-platform 3D RTS for up to eight players (can be A.I. controlled) on seven factions.

MegaMek	2005	2009	TBТ	GPL	GPL	?	Simulates the Classic BattleTech board game.

Micropolis	1989 (as SimCity) 2008 (as Micropolis)	2008	City-building game	GPLv3	GPLv3	?	Open-source release of SimCity. Also known as OLPC SimCity.

Minetest	2010	2019	Sandbox game	LGPLv2.1 MIT	LGPLv2.1 CC BY-SA CC BY Artistic	3D	A free open-world voxel/block game for Windows, Linux, FreeBSD, Android and OS X. In 2015, Minetest was chosen as the best Open Source Game by OpenSource.com.

Moria	1983	1999	RPG/Roguelike	GPL	GPL	2D	A roguelike RPG based heavily on J. R. R. Tolkien's novel The Lord of the Rings.

NetHack	1987	2018	RPG/Roguelike	Nethack GPL	Nethack GPL	Text	A single player dungeon exploration game.

Netrek	1988	2011	Shoot 'em up	MIT	MIT	2D	Successor to 1986's Xtrek, Netrek was first played in 1988. It was the third Internet game, the first Internet team game, and as of 2011 is the oldest Internet game still actively played.

Neverball	2003	2014	Platform	GPL	GPL	3D	Super Monkey Ball inspired Neverball as free game for Microsoft Windows, OS X, Linux, Dreamcast, and iOS.

Nexuiz	2005	2009	FPS	GPL	GPL	3D	Forked into Xonotic following a commercial licensing agreement by a minority of the development team.

NoGravity	1997 (?)	2005	space shooter	GPLv2	GPLv2	3D	Source code of the Wing Commander inspired game released by realtech VR on February 16, 2005.

One Hour One Life	2018	2018	Survival	Public Domain	Public Domain	2D	Multiplayer co-op survival game

Oolite	2006	2018	Space Sim	GPLv2	GPLv2	3D	Elite clone.

OpenArena	2005	2012	FPS	GPLv2	GPLv2	3D	Quake III clone.

OpenCity	2003	2008	City-building game	GPL	GPL	3D	SimCity clone.

OpenClonk	2010	2018	Action, Platform	ISC	CC BY	2D	Successor of the Clonk shareware series.

OpenRiichi	2017	2018	Puzzle	GPLv3	GPLv3	3D	A Mahjong videogame.

Open Space Program	2017	Space flight simulation	3D	Similar to Kerbal Space Program. Made by KSP community. Currently in pre-alpha.

opsu!	2014	2018	Rhythm game	GPLv3	GPLv3	2D	An open-source client for the osu! rhythm game.

osu!lazer	2018	Rhythm game	MIT	MIT	2D	The Future Client of osu! rhythm game.

Pang Zero	2006	2007	Arcade	GPLv2	GPLv2	2D	Reimplementation and extension of an old arcade game.

Passage	2007	2007	Side-scroller	Public domain software	Public domain	2D	In 2007 Rohrer released the game's source code and assets into the public domain, while asking for donations (Donationware) and selling the iOS version for $0.99.

Pingus	1998	2011	Puzzle	GPL	GPL	2D	Lemmings clone.

Pioneer	2006	2019	Space sim	GPLv3	CC BY-SA	3D	Inspired by Frontier: Elite 2.

PokerTH	2006	2017	Card	GPL	GPL	2D	?

PySol	2001	2018	Card games, Patience	GPLv3	Public domain and GPLv3	2D	?

Quatter	2016	2017	Board game	MIT	GPLv2, CC BY-SA	3D	An impartial board game for two players based on Blaise Müller's Quarto

Rigs of Rods	2007	2016	Vehicle Sim	GPLv3	GPLv3	3D	Rigs of Rods was initially created as an off-road truck simulator, but has developed into a versatile physics sandbox.

Rocks'n'Diamonds	1995	2018	Puzzle	GPLv2	GPLv2	2D	A scrolling tile-based computer puzzle game that can be described as a combined Boulder Dash, Supaplex, Emerald Mine, and Sokoban clone.

Ryzom	2004	2018	MMORPG	AGPL	CC BY-SA	3D	All textures and effects, 3D models, animations, characters and clothing (no music or sounds) are under CC BY-SA.

Scorched 3D	2001	2014	Artillery game	GPL	GPL	3D	Clone of Scorched Earth (video game)

Secret Maryo Chronicles	2003	2014	Platformer	GPLv3	GPLv3	2D	2D platformer inspired by the Super Mario series.

Seven Kingdoms	1997	2017	RTS	GPL	GPL	2D	Source code released in 2009.

Simple Solitaire Collection	2016	2018	Card games, Patience	GPLv3	GPLv3, LGPLv3, CC0, Apache 2.0	2D	Collection of various Solitaire games for Android devices.

Simutrans	1997	2017	Business Sim	Artistic	Artistic	2D	Similar to Transport Tycoon and its open-source clone, OpenTTD. The player must build a profitable transportation system.

Simon Tatham's Portable Puzzle Collection	2004	2018	Puzzle	MIT	MIT	2D	A collection of various puzzle games, started by Simon Tatham and designed to be easily portable to any operating system.

Sintel The Game	2012	2012	RPG	GPL	CC BY, GPL	3D	A game based on the Blender Foundation movie, Sintel.

Sopwith	1984	2014	Shoot 'em up	GPL	GPL	?	The C and x86 assembly source code to Sopwith was released in 2000, at first under a non-commercial use license, but later under the GNU GPL at the request of fans.

Space Station 13	2003	2018	RPG	AGPLv3 or GPLv3	CC BY-SA 3.0	2D	A MMO 2D sprite and tile based role playing game. Written in BYOND.

Speed Dreams	2010	2016	Sim racing	GPLv2+	FAL	3D	Forked from TORCS in late 2008.

Star Ruler 2	2017	2017	RTS	MIT License	CC-BY-NC 2.0	3D	Source code was released as MIT Licence on 22nd July 2018. Does not include game music.

StepMania	2005(?)	2016	Rhythm game	MIT	MIT	2D and 3D	A DDR clone, the player must hit buttons or keys in time with the music.

Etterna (Game)	2016	2019	Rhythm game	MIT	MIT	2D and 3D	A StepMania fork focused on keyboard srepad play, the player must hit buttons or keys in time with the music.

SuperTux	2003	2018	Platformer	GPL	GPL	2D	2D platformer inspired by the Super Mario series.

SuperTuxKart	2006	2019	Racing	GPL	GPL	3D	Arcade racing game similar to Mario Kart.

Super Tux Party	2018	2018	Party	MIT	GPL	3D	Party game similar to Mario Party.

Teeworlds	2007	2018	Platformer	zlib	CC BY-SA 3.0 (except font)	2D	2D side-scrolling shooter.

Tenés Empanadas Graciela	1996	2015	TBS	GPLv2	GPLv2	?	Based on the boardgame Risk.

Terasology	2011	2018	Sandbox game	Apache	Apache, CC BY 4.0	3D	Voxel-based game prioritizing ease of user module development.

The Castle Doctrine	2014	2014	MMO	Public domain software	Public domain	2D	A game by Jason Rohrer, developed on a Sourceforge repository and sold on Steam for $15.99.

The Powder Toy	2010	2019	Sandbox game	GPLv3	GPLv3	2D	A falling-sand game

Thrive	2014	2019	Educational game	GPLv3	CC BY-SA 3.0	2D and 3D	Evolution simulator developed by a team of volunteers.

Tremulous	2006	2009	FPS	GPLv2	CC BY-SA 2.5	3D	Alien VS human base building, defending, and attacking opposite team.

Trigger Rally	2004	2019	Racing	GPLv2	GPLv2	3D	Sim racing game similar to Colin McRae Rally.

TripleA	2002	2018	TBS	GPLv2	GPLv2	2D	A turn based strategy game inspired by Axis & Allies and board game engine. Development is ongoing.

TrueCraft	2017	Sandbox game	MIT	MIT	3D	TrueCraft is a completely clean-room implementation of Minecraft beta 1.7.3.

Tumiki Fighters	2004	2004	Shooter	BSD 2-clause	BSD 2-clause	3D	Written in D and released in 2004 by Kenta Cho under a BSD-like license, like all his games. Later commercially ported to Wii as Blast Works: Build, Trade, Destroy, as well as Linux.

Tux Racer	2000	2009	Racing	GPLv2+	GPLv2+	3D	?

Tux, of Math Command	2001	2011	Educational game	GPLv3+	GPLv3+	2D	?

Uebergame	2014	2017	FPS	MIT	CC0	3D	Modern Multiplayer Shooter with realistic graphics, comes with integrated editor.

UFO: Alien Invasion	2006	2016	TBТ	GPLv2+	GPLv2+, CC BY-SA 3.0	3D	Inspired by the XCOM-series, but with 3D-combats on surface of the earth.

UltraStar Deluxe	2007	2016	Music	GPLv2+	GPLv2+	2D	SingStar clone.

Unknown Horizons	2008	2017	City-building game	GPLv2+	GPLv2+, CC BY-SA 3.0, OFLv1	Isometric 2D	Genre-mix of city-building game and real-time strategy game, inspired by the Anno series.

Unvanquished	2012	2016	FPS	BSD 3-clause, GPLv3+	CC BY-SA 2.5	3D	Team-based first person shooter with strong RTS elements, derived from the Tremulous project.

Vega Strike	2008	2012	Space Sim	GPLv2+	GPLv2+	3D	Elite clone and space simulator engine.

Warmux	2002	2011	Artillery game	GPLv2+	GPLv2+	2D	Worms clone.

Warzone 2100	1999	2017	RTS, RTT	GPLv2+	GPLv2+	3D	Post-apocalyptic, cross-platform RTS.

Widelands	2002	2016	RTS	GPLv2+	GPLv2+	?	Widelands is a RTS clone of The Settlers II.

WorldForge	1998	2014	MMORPG	GPLv3	GPLv2+	3D	An open-source framework for massively multiplayer online role-playing games.

Xconq	1987	2005	TBS	GPLv2+	GPLv2+	?	4X strategy game engine.

X-Moto	2005	2014	Platformer	GPLv2+	GPLv2+	2D	Elasto Mania Clone.

Xonotic	2010	2017	FPS	GPLv2+	GPLv2+	3D	A fork and direct successor of the game Nexuiz. Binary files for Linux and Windows is under GPLv3+.

XPilot	1992	2010	Arcade	GPLv2+	GPLv2+	2D	A multiplayer Asteroids-like game.

Yo Frankie!	2008	2009	Action-adventure	GPLv2+, LGPLv2.1	CC BY 3.0	3D	?

Sentence(s)

Scorched 3D is an open source game licensed under the GPL.

final_sentence: Scorched 3D is an open source game licensed under the GPL.