Free & Open Source Strategy Games
380 free, open-source strategy games — real clones and remakes you can download, inspect the source of, and modify. Not just free to play: the code itself is open.
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Original game image
Original game imageClone of Army Men
Preserves the original 1998 Army Men source code and dev tools from The 3DO Company, including level, scenario, and animation editors.
Platforms:Windows
Stars14
Updated1 year ago
LicenseCC0-1.0
Release2022
Genre: Real-Time Tactics
Theme: Modern Military
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Clone of Warcraft 2000
Official released source code for Warcraft 2000: Nuclear Epidemic, GSC Game World's 1998 RTS built to rival Warcraft II and StarCraft.
Platforms:Windows
Stars14
Updated3 years ago
LicenseUnknown
Release2023
Genre: Real-Time Strategy
Theme: Fantasy
Halted
Original game image
Original game imageClone of Polanie
Unmodified 1996 source code for the Polish RTS game Polanie, untested and unlikely to compile as-is.
Platforms:WindowsDOS
Stars14
Updated6 years ago
LicenseUnknown
Release2019
Genre: Real-Time Strategy
Theme: Fantasy
Sporadic
Active
Original game image
Original game imageClone of Final Fantasy Tactics
An unofficial PSXRecomp project for Final Fantasy Tactics (USA); you supply your own disc and build it locally.
Stars13
Updated2 months ago
LicenseUnknown
Release2026
Genre: RPG
Theme: —
Active
Original game image
Original game imageClone of Pikmin
A work-in-progress decompilation of the 2009 Wii release New Play Control! Pikmin; requires your own game copy.
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Original game image
Original game imageClone of Icebreaker
Official 1995 source code release of Icebreaker, a strategy/action game for the 3DO console by Andrew Looney, licensed under the GPLv3.
Platforms:3DO
Stars12
Updated3 years ago
LicenseGPL-3.0
Release2023
Genre: Action
Theme: —
Sporadic
Original game image
Original game imageClone of Sid Meier's Pirates!
A browser naval battle game inspired by the ship fights in Sid Meier's Pirates!, with wind-based sailing and three ship types.
Platforms:Web
Stars11
Updated4 months ago
LicenseUnknown
Release2026
Genre: Action
Theme: —
Sporadic
Original game image
Original game imageClone of Plants vs. Zombies
A cross-platform Plants vs. Zombies decompilation fork using SDL and OpenGL; needs your own PvZ GOTY data.
Stars11
Updated11 months ago
LicenseCC0-1.0
Release2025
Genre: Strategy
Theme: —
Halted
Clone of Transport Tycoon
Platforms:WindowsDOS
Stars11
Updated8 years ago
LicenseGPL-2.0
Release2017
Genre: Strategy
Theme: Management
Halted
Clone of The Settlers III
X-Settlers is an early, currently unplayable C++17 rewrite of The Settlers III/IV aiming for cross-platform support.
Platforms:WindowsLinux
Stars11
Updated6 years ago
LicenseApache-2.0
Release2020
Genre: Real-Time Strategy
Theme: Ancient History
Halted
Clone of Maxit
KittenMaxit is a LibGDX implementation of Maxit using a greedy move algorithm; requires 32-bit Java, not 64-bit.
Halted
Original game image
Original game imageClone of Moonbase Commander
A remake of Moonbase Commander, titled Project Tether: Scorched Moon, built with Python and Pygame.
Sporadic
Clone of Chaos: The Battle of Wizards
A browser-based isometric remake of Chaos: The Battle of Wizards built with Phaser 4 and Vue 3, supporting up to 8 local players.
Platforms:Web
Stars9
Updated6 months ago
LicenseMPL-2.0
Release2021
Genre: Turn-Based Strategy
Theme: Fantasy
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Original game image
Original game imageClone of Space Rangers
A Space Rangers remake built with Microsoft's XNA 4.0 framework for Windows; currently marked unplayable.
Platforms:Windows
Stars9
Updated13 years ago
LicenseUnknown
Release2011
Genre: Turn-Based Strategy
Theme: —
Halted
Halted
Clone of Chaos: The Battle of Wizards
Richard Phipps' Windows remake of the classic ZX Spectrum game Chaos: Battle of the Wizards.
Platforms:Windows
Stars8
Updated15 years ago
LicenseUnknown
Release2011
Genre: Turn-Based Strategy
Theme: Fantasy
Active
Clone of Digimon Digital Card Battle
A matching PlayStation decompilation of Digimon Digital Card Battle covering its USA, Japanese and European releases.
Stars8
Updated1 month ago
LicenseMIT
Release2026
Genre: Strategy
Theme: —
Halted
Clone of Drugwars
An archival copy of Matt Lee's original DopeWars source code for Palm OS mobile devices.
Halted
Clone of Command & Conquer
FreeCNC is a GPLv2 engine reimplementation of Command & Conquer: Tiberian Dawn, requiring the original game's data files.
Platforms:WindowsLinux
Stars8
Updated12 years ago
LicenseUnknown
Release2014
Genre: Real-Time Strategy
Theme: Modern Military
Sporadic
Halted
Clone of Ascendancy
A Linux engine that emulates and aims to extend the 1995 DOS strategy game Ascendancy, still needing the original CD.
Halted
Clone of Weather War
A terminal-based weather-combat game for Linux with single-player, multiplayer, and network play.
Active
Original game image
Original game imageClone of X-COM: Terror from the Deep
A native port of OpenXcom Extended 8.6.1 to the New Nintendo 3DS, supporting UFO Defense and Terror From the Deep.
Halted
Clone of X-COM: UFO Defense
Halted
Clone of History Line: 1914-1918
Platforms:Windows
Stars6
Updated13 years ago
LicenseUnknown
Release2013
Genre: Strategy
Theme: World War I
Halted
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Original game image
Original game imageClone of M.U.L.E.
An unfinished open-source remake of M.U.L.E., the classic multiplayer economic strategy game.
Halted
Original game image
Original game imageClone of Stratosphere: Conquest of the Skies
A planned, unplayable 2D/2.5D remake of Stratosphere: Conquest of the Skies about building and flying a spaceship.
Sporadic
Clone of Project Nomads
A libGDX reimplementation of the 2002 game Project Nomads, using its original assets and fixing some of its flaws.
Platforms:None
Stars6
Updated6 months ago
LicenseAGPL-3.0
Release2022
Genre: Shooter
Theme: —
Halted
Clone of Breach
A port of the Amiga tactical game Breach to the Sega Genesis in 68000 assembly, with tools to convert Amiga level data and a level editor.
Sporadic
Original game image
Original game imageStars5
Updated4 months ago
LicenseUnknown
Release2026
Genre: Real-Time Strategy
Theme: —
Halted
Active
Original game image
Original game imageClone of Team Buddies
A matching decompilation of Team Buddies (SLUS-008.69) that builds without a private disc dump.
Stars5
Updated1 month ago
LicenseMIT
Release2026
Genre: Real-Time Strategy
Theme: —