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.
Active
Clone of Black & White
A work-in-progress decompilation of Lionhead's Black & White (2001) covering Windows v1.00 to v1.20.
Stars74
Updated1 month ago
LicenseCC0-1.0
Release2022
Genre: Simulation
Theme: Fantasy
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
Original game image
Original game imagePlatforms:Windows
Stars73
Updated5 years ago
LicenseUnknown
Release2010
Genre: Real-Time Strategy
Theme: Sci-Fi
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
Updated1 month ago
LicenseGPL-3.0
Release2022
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Active
Original game image
Original game imageClone of Ogre Battle 64
A static recompilation of the N64 game Ogre Battle 64 (USA, Rev A) into a native PC executable using N64Recomp; needs your own ROM.
Stars69
Updated1 month ago
LicenseUnknown
Release2026
Genre: RPG
Theme: —
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
Original game image
Original game imagePlatforms:Windows
Stars66
Updated11 years ago
LicenseUnknown
Release2015
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of Total Annihilation
A real-3D OpenGL reimplementation of Total Annihilation, requiring the original game's resource files.
Platforms:WindowsLinuxOSX
Stars64
Updated4 years ago
LicenseGPL-2.0
Release2017
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of Dune 2
This is a Java implementation of a real-time strategy game, built with the slick2d-maven framework, requiring Maven and Java 1.8.
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
Updated4 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
Original game image
Original game imageClone of Drugwars
A PowerShell BBS-door-style console RPG loosely based on the 1984 drug-dealing game Drug Wars.
Halted
Clone of Lego Rock Raiders
A JavaScript browser remake of the Lego-themed mining game Lego Rock Raiders, still in development.
Active
HaltedOriginal game image
Original game imageClone of Warcraft: Orcs & Humans
Stratagus is a free fantasy real-time strategy game engine, and its README lists the game packages built on it, Wargus, War1gus and Stargus.
Stars56
Updated4 years ago
LicenseGPL-2.0
Release2011
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Angry Birds
An open-source Android slingshot game on F-Droid, flinging apples to destroy an enemy base across 18 levels, solo or two-player.
Halted
Original game image
Original game imageClone of MechCommander 2
A patched version of MechCommander 2's Microsoft-released source code, though the README doesn't detail what the patches change.
Platforms:Windows
Stars54
Updated3 years ago
LicenseBSD-2-Clause
Release2014
Genre: Real-Time Tactics
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of Buckshot Roulette
A full decompilation of the game Buckshot Roulette by Mike Klubnika. The author states they own no assets contained in the repository.
Stars51
Updated1 year ago
LicenseUnknown
Release2024
Genre: digital tabletop game
Theme: —
Active
Original game image
Original game imageClone of Pokémon Stadium 2
A work-in-progress decompilation rebuilding Pokémon Stadium 2's Nintendo 64 ROM from source.
Active
Clone of Emperor: Battle for Dune
CorrinoEngine is an open-source C# engine recreating Emperor: Battle for Dune from scratch; actively developed but still unplayable.
Platforms:Windows
Stars48
Updated3 months ago
LicenseGPL-3.0
Release2020
Genre: Real-Time Strategy
Theme: —
Active
Original game image
Original game imageClone of M.A.X.
MAXR is a fan-made, community-maintained turn-based strategy remake of M.A.X., built to make multiplayer work reliably on modern systems.
Platforms:Windows
Stars47
Updated4 months ago
LicenseUnknown
Release2023
Genre: Real-Time Strategy
Theme: —
Halted
Original game image
Original game imageClone of Revenge of the Titans
Puppy Games' official Revenge of the Titans source release, source code only — no game assets included.
Platforms:None
Stars47
Updated14 years ago
LicenseUnknown
Release2011
Genre: tower defense
Theme: —
Active
Clone of Battle Isle series
Advanced Strategic Command is a turn-based strategy game playable solo, hot-seat, by email, or online via Project Battle Planets.
Platforms:WindowsLinux
Stars45
Updated2 months ago
LicenseGPL-2.0
Release2019
Genre: Turn-Based Strategy
Theme: —
Active
Original game image
Original game imageClone of Fire Emblem: The Binding Blade
An inactive, read-only branch of the Fire Emblem: The Binding Blade decompilation that builds the fe6.gba ROM.
Stars45
Updated4 months ago
LicenseUnknown
Release2020
Genre: RPG
Theme: —
Active
Clone of Tribal Trouble
A free, actively developed community revival of Tribal Trouble with 12-player online play, remastered graphics, and new features.
Platforms:WindowsLinuxOSX
Stars45
Updated1 month ago
LicenseGPL-2.0
Release2025
Genre: Real-Time Strategy
Theme: —
Active
Clone of Vandal Hearts
One executable runs the USA (SLUS-00447), Asia (SCPS-45183) and Japan (SLPM-86007) releases, with the region auto-detected.
Stars44
Updated2 months ago
LicenseGPL-2.0
Release2026
Genre: RPG
Theme: —
Active
Clone of Dungeon Keeper 2
GLKeeper (GrimLands Keeper) is an early-development, open-source reimplementation of Dungeon Keeper 2 for Windows, not yet playable.
Halted
Halted
Original game image
Original game imageClone of Emperor of the Fading Suns
A Java remake of Emperor of the Fading Suns that runs on the original EFS 1.4 data files and supports its mods.
Platforms:WindowsLinuxOSX
Stars41
Updated9 years ago
LicenseUnknown
Release2014
Genre: Turn-Based Strategy
Theme: —
Archived
Sporadic
Original game image
Original game imageClone of Jurassic Park: Operation Genesis
OpenJPOG, a decompilation of the Toshi engine 1.0 and the game Jurassic Park: Operation Genesis.
Stars39
Updated9 months ago
LicenseUnknown
Release2023
Genre: Simulation
Theme: —
Halted
Original game image
Original game imageClone of Desperados: Wanted Dead or Alive
An open-source game engine project for the real-time tactics game Desperados: Wanted Dead or Alive.
Platforms:WindowsLinux
Stars37
Updated3 years ago
LicenseGPL-3.0
Release2014
Genre: Real-Time Tactics
Theme: —
Active
Sporadic
Halted
Original game image
Original game imageClone of Carrier Command
An open-source futuristic flight-sim/action game inspired by the 1988 vehicle-sim classic Carrier Command.
Platforms:OSX
Stars33
Updated2 years ago
LicenseUnknown
Release2010
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Clone of Master of Orion
1oom is a from-scratch, GPLv2 engine recreation of Master of Orion (1993), requiring the original game's data files to run.
Platforms:WindowsLinuxDOS
Stars31
Updated3 years ago
Licensegpl-2.0+
Release2018
Genre: Turn-Based Strategy
Theme: Sci-Fi
Halted
Clone of MechCommander 2
MechCommander 2 Omnitech is a mod building an upgraded, more moddable version of MechCommander 2 from Microsoft's Shared Source release.
Platforms:Windows
Stars31
Updated13 years ago
LicenseUnknown
Release2012
Genre: Real-Time Tactics
Theme: Sci-Fi