Free & Open Source Strategy Games
341 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.
Halted
Clone of Worms Series
WarMUX is a preserved, free open-source clone of the Worms artillery game series, using its own original assets.
Platforms:WindowsLinuxOSX
Stars150
Updated3 years ago
LicenseGPL-2.0
Release2016
Genre: Turn-Based Strategy
Theme: —
Active
Clone of Outpost
A C++ redesign of Sierra's 1994 colony game Outpost, keeping its core concepts in a more responsive game.
Platforms:Windows
Stars143
Updated1 month ago
LicenseBSD-3-Clause
Release2018
Genre: Simulation
Theme: Sci-Fi
Archived
Active
Clone of Mad TV
TVTower is a free, open-source tribute to the 1991 TV-station management game Mad TV.
Platforms:Windows
Stars136
Updated13 days ago
LicenseUnknown
Release2014
Genre: Strategy
Theme: Management
Halted
Clone of Heroes of Might and Magic II
A Heroes of Might and Magic II engine recreation with UI and gameplay enhancements; v1.0 released for Windows, development now suspended.
Platforms:Windows
Stars135
Updated6 years ago
LicenseUnknown
Release2017
Genre: Turn-Based Strategy
Theme: —
Active
Clone of Warcraft: Orcs & Humans
A Stratagus-engine reimplementation of Warcraft: Orcs & Humans with modern RTS conveniences, using the original's assets.
Platforms:WindowsLinuxOSX
Stars132
Updated3 months ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Sporadic
Clone of Armor Alley
Armor Alley: Remastered is a browser-based JavaScript/HTML5 remake of the Mac and MS-DOS original, still in sporadic development.
Platforms:Web
Stars128
Updated3 months ago
LicenseUnknown
Release2013
Genre: Arcade
Theme: Modern Military
Halted
Halted
Clone of Uncharted Waters
A web-based, in-progress remake of Uncharted Waters: New Horizons letting players explore all 130 ports and sail the original's world map.
Platforms:Web
Stars128
Updated3 years ago
LicenseMIT
Release2017
Genre: Adventure
Theme: Alternate Historical
Active
Clone of Age of Empires
A from-scratch, cross-platform reimplementation of Age of Empires and Rise of Rome, requiring the player's own game copy.
Platforms:WindowsLinux
Stars128
Updated2 months ago
LicenseApache-2.0
Release2016
Genre: Real-Time Strategy
Theme: Ancient History
Sporadic
Clone of Krush, Kill 'n' Destroy
A semi-playable recreation of the KKnD real-time strategy games on the OpenRA engine.
Platforms:WindowsLinuxOSX
Stars126
Updated10 months ago
LicenseGPL-3.0
Release2018
Genre: Real-Time Strategy
Theme: Post-Apocalyptic
Halted
Clone of Swarm Assault
A near-complete Swarm Assault remake on the OpenRA engine, with all 100 missions, extra levels, multiplayer and a map editor.
Platforms:WindowsLinuxOSX
Stars123
Updated3 years ago
LicenseGPL-3.0
Release2019
Genre: Real-Time Strategy
Theme: —
Sporadic
Clone of Total Annihilation
An open-source RTS engine highly compatible with Total Annihilation's original data files.
Platforms:Windows
Stars123
Updated6 months ago
LicenseGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Sci-Fi
Sporadic
Active
Clone of Call to Power II
The Apolyton community's continuation of Call to Power II's official source code, building on Windows, Linux, and handheld devices.
Platforms:WindowsLinux
Stars113
Updated19 days ago
LicenseUnknown
Release2018
Genre: Turn-Based Strategy
Theme: —
Halted
Clone of Master of Magic
A from-scratch C++ rewrite of Master of Magic aiming for visual accuracy and extensible mechanics, still at prototype stage.
Platforms:WindowsLinuxOSX
Stars112
Updated2 years ago
LicenseGPL-3.0
Release2014
Genre: Turn-Based Strategy
Theme: Fantasy
Halted
Active
Active
Clone of Civilization II
A from-scratch C#/Raylib rewrite of Civilization II that can load saves and move units, but core gameplay isn't complete yet.
Platforms:WindowsLinuxOSX
Stars107
Updated1 month ago
LicenseGPL-3.0
Release2020
Genre: Turn-Based Strategy
Theme: —
Active
Clone of Allegiance
Free Allegiance is an open-source project built with Visual Studio and DirectX, split into client, server, lobby, and logic components.
Halted
Active
Clone of Transport Tycoon
A free, open-source transport simulator inspired by Transport Tycoon, with swappable community graphics packs and online multiplayer.
Platforms:WindowsLinuxOSX
Stars100
Updated15 days ago
LicenseUnknown
Release2022
Genre: Strategy
Theme: Management
Active
Active
Archived
Clone of Warcraft: Orcs & Humans
A from-scratch, multiplatform port of Warcraft: Orcs & Humans using only the original art and level data; now archived.
Platforms:Windows
Stars80
Updated1 year ago
LicenseMIT
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Archived
Active
Clone of Dark Reign: The Future of War
A work-in-progress OpenRA mod recreating Auran's 1997 RTS Dark Reign, using content from the free demo.
Platforms:WindowsLinuxOSX
Stars75
Updated2 months ago
LicenseGPL-3.0
Release2018
Genre: Real-Time Strategy
Theme: Sci-Fi
Active
Clone of Heroes of Might and Magic III
A free C++/Qt reimplementation of Heroes of Might and Magic III's engine, pre-alpha with battle emulation as its playable feature.
Halted
Active
Clone of Earth 2140
A work-in-progress OpenRA-based remake of the 1997 RTS Earth 2140, now in multiplayer alpha.
Platforms:WindowsLinuxOSX
Stars71
Updated14 days ago
LicenseGPL-3.0
Release2022
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Halted
Clone of Machines: Wired for War
Official GL-ported source code release of Machines: Wired For War, a 3D RTS, published with permission from Night Dive Studios.
Platforms:WindowsLinux
Stars68
Updated4 years ago
LicenseGPL-3.0
Release2020
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Clone of Railroad Tycoon
FreeRails is a real-time, multiplayer railway strategy game based on Railroad Tycoon, written in Java, still unfinished.
Archived
Halted
Halted
Halted
Clone of Imperialism
Imperialism Remake is an open-source, Python-based project modeled on the original Imperialism, though development has halted.
Platforms:Windows
Stars59
Updated3 years ago
LicenseGPL-3.0
Release2014
Genre: Turn-Based Strategy
Theme: —
Halted
Clone of Warcraft: Orcs & Humans
An unfinished Go engine for Warcraft: Orcs & Humans that decodes the original DOS game's resources.
Platforms:LinuxOSX
Stars58
Updated3 years ago
LicenseGPL-3.0
Release2016
Genre: Real-Time Strategy
Theme: Fantasy
Sporadic