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 Vandal Hearts
An in-progress decompilation of the US PlayStation release of Vandal Hearts.
Stars31
Updated2 years ago
LicenseUnknown
Release2022
Genre: RPG
Theme: —
Halted
Original game image
Original game imageClone of Beasts and Bumpkins
A fan-made patch for Beasts and Bumpkins (1997) that removes the CD requirement, fixes lag on modern hardware, and adds higher resolution.
Platforms:Windows
Stars29
Updated3 years ago
LicenseGPL-3.0
Release2023
Genre: Real-Time Strategy
Theme: Comedy
Sporadic
Original game image
Original game imageClone of Master of Orion 2
An early open-source remake of Master of Orion II that can currently load and view original savegames.
Platforms:WindowsLinux
Stars29
Updated11 months ago
LicenseGPL-2.0
Release2021
Genre: Turn-Based Strategy
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of StarCraft
Magnetar is a StarCraft mod that loads the original StarCraft.exe into memory and combines it with its own additions.
Platforms:Windows
Stars28
Updated2 years ago
LicenseMIT
Release2016
Genre: Real-Time Strategy
Theme: Sci-Fi
Active
Clone of Dungeon Keeper
An actively developed fork of OpenDungeons, the Dungeon Keeper-inspired open-source dungeon-building RTS.
Platforms:WindowsLinux
Stars28
Updated2 months ago
LicenseUnknown
Release2014
Genre: Simulation
Theme: Horror
Halted
Clone of Sangokushi Sōsōden
A turn-based tactics engine inspired by Koei's Sangokushi Sōsōden, supporting custom scenario mods.
Platforms:LinuxOSX
Stars28
Updated5 years ago
LicenseMIT
Release2017
Genre: Turn-Based Tactics
Theme: Civil War
Halted
Active
Original game image
Original game imageClone of Blood & Magic
This repository preserves the official 1996 interactive preview demo of Blood & Magic, including a tutorial and two scenarios.
Platforms:WindowsDOS
Stars25
Updated2 months ago
LicenseUnknown
Release2016
Genre: Real-Time Strategy
Theme: Fantasy
Halted
Clone of Command & Conquer: Red Alert
A partially complete C++/SDL rebuild of the Red Alert 1 engine, based on FreeCNC and FreeRA, that needs the original data files.
Platforms:WindowsLinux
Stars25
Updated11 years ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Modern Military
Halted
Original game image
Original game imageClone of Buckshot Roulette
An unofficial mobile port of Buckshot Roulette, based on buckshot-decomp-private by uncreativeCultist and adapted to run on mobile devices.
Stars24
Updated1 year ago
LicenseUnknown
Release2025
Genre: digital tabletop game
Theme: —
Active
Original game image
Original game imageClone of Enemy Nations
A source-code revival and SDL2 port of Enemy Nations to modern Windows, Linux, and macOS, with restored music and TCP/UDP multiplayer.
Platforms:Windows
Stars22
Updated1 month ago
LicenseUnknown
Release2022
Genre: Real-Time Strategy
Theme: —
Sporadic
Original game image
Original game imageClone of Shining Force
A fully documented Shining Force disassembly that reassembles into a bit-perfect ROM, meant as a base for fan mods.
Halted
Clone of Sid Meier's Colonization
An early-preview remake of Sid Meier's Colonization for web browsers and Linux, reusing the original's graphics files to play.
Sporadic
Original game image
Original game imageClone of Warrior Kings
A from-scratch, multiplayer-capable rewrite of the wkbre Warrior Kings engine reimplementation, still in early development.
Platforms:WindowsLinux
Stars22
Updated7 months ago
LicenseGPL-3.0
Release2019
Genre: Real-Time Strategy
Theme: —
Sporadic
Clone of Beasts and Bumpkins
A small collection of utilities for Beasts and Bumpkins, including a MAPViewer and SpriteViewer plus documentation of its file format.
Platforms:Windows
Stars21
Updated1 year ago
LicenseGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Comedy
Active
Clone of Pikmin 2
A work-in-progress decompilation of New Play Control!
Stars21
Updated1 month ago
LicenseUnlicense
Release2024
Genre: Real-Time Strategy
Theme: Fantasy
Halted
Clone of PaybackTime 2
An X-COM-style turn-based tactics game for MS-DOS from 1994-97, released as public domain with full source and set up for DOSBox.
Platforms:WebWindows
Stars21
Updated2 years ago
LicenseUnknown
Release2014
Genre: Turn-Based Tactics
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of Seven Kingdoms II: The Fryhtan Wars
An experimental fork of the 7kfans GPL release of Seven Kingdoms II replacing DirectX/DirectPlay/DirectSound with SDL2, ENet, and OpenAL.
Platforms:Linux
Stars20
Updated10 years ago
LicenseUnknown
Release2012
Genre: Real-Time Strategy
Theme: Fantasy
Halted
Original game image
Original game imageClone of Awesomenauts
An unmodified melonJS HTML5 game engine boilerplate template with no game-specific code built on top, marked as unplayable.
Halted
Clone of Warrior Kings
An engine reimplementation of Warrior Kings (Battles) for editing and building custom maps; gameplay is still in development.
Platforms:Windows
Stars20
Updated2 years ago
LicenseGPL-3.0
Release2016
Genre: Real-Time Strategy
Theme: —
Active
Original game image
Original game imageClone of Fire Emblem: The Sacred Stones
In-progress decompilation of the Japanese Fire Emblem: The Sacred Stones that builds its ROM from committed source.
Stars19
Updated1 month ago
LicenseUnknown
Release2026
Genre: RPG
Theme: —
Halted
Clone of Football Manager
The original 1982 BASIC source code for the ZX81 version of Kevin Toms's Football Manager, the series' first, text-based game.
Platforms:TRS-80
Stars19
Updated5 years ago
LicenseUnknown
Release2021
Genre: Simulation
Theme: Management
Active
Original game image
Original game imageClone of Plants vs. Zombies
A work-in-progress decompilation of the 0.9.9 beta build of Plants vs.
Stars18
Updated3 months ago
LicenseUnknown
Release2025
Genre: Strategy
Theme: —
Halted
Original game image
Original game imagePlatforms:Windows
Stars17
Updated3 years ago
LicenseMIT
Release2018
Genre: Real-Time Strategy
Theme: Sci-Fi
Active
Clone of Homeworld
Gardens of Kadesh is a fan-maintained continuation of Homeworld SDL, an earlier community port of Homeworld's 1999 source code.
Platforms:WebWindowsLinux
Stars17
Updated1 month ago
Licenseother
Release2019
Genre: Real-Time Strategy
Theme: Sci-Fi
Halted
Clone of Master of Orion 2
A Python clone of Master of Orion II for Linux that uses the original game's data files; not yet playable.
Platforms:Linux
Stars17
Updated9 years ago
LicenseGPL-2.0
Release2015
Genre: Turn-Based Strategy
Theme: Sci-Fi
Halted
Original game image
Original game imageClone of Taipan!
A Unix port of Taipan!, the 19th-century South China Seas trading game originally written for the Apple II.
Platforms:Linux
Stars17
Updated11 years ago
LicenseUnknown
Release2015
Genre: Turn-Based Strategy
Theme: —
Archived
Original game image
Original game imageClone of Allegiance
Microsoft's official, unsupported source-code release for Allegiance, published as-is after the game's own servers had already shut down.
Halted
Original game image
Original game imageClone of Bloons Tower Defense
The README is an unfilled project template with no real game description, and the project is marked unplayable.
Halted
Original game image
Original game imageClone of Stronghold
Castlekeep is a reimplementation of Stronghold 1; the project is unplayable and development has halted.
Platforms:None
Stars16
Updated7 years ago
LicenseGPL-3.0
Release2019
Genre: Real-Time Strategy
Theme: Medieval
Active
Original game image
Original game imageClone of Fire Emblem: Shadow Dragon
A decompilation of Fire Emblem: Shadow Dragon for Nintendo DS that builds the US ROM.
Stars16
Updated1 month ago
LicenseUnknown
Release2024
Genre: RPG
Theme: —
Halted
Active
Original game image
Original game imageClone of Outpost 2
A work-in-progress Outpost 2 mod for the OpenRA engine that needs the GOG release of the original.
Platforms:WindowsLinuxOSX
Stars16
Updated4 months ago
LicenseGPL-3.0
Release2020
Genre: Real-Time Strategy
Theme: Sci-Fi
Active
Clone of Super Robot Wars 64
An experimental native recompilation of Super Robot Wars 64, using N64Recomp, N64ModernRuntime and RT64 to run recompiled code from the…
Stars16
Updated1 month ago
LicenseUnknown
Release2026
Genre: RPG
Theme: —
Sporadic
Original game image
Original game imageClone of Crusade in Europe
A from-scratch engine that plays the original Atari 8-bit disk images of MicroProse's three Command Series games.
Platforms:WindowsLinux
Stars15
Updated8 months ago
LicenseGPL-2.0
Release2020
Genre: Strategy
Theme: World War II
Sporadic
Clone of Eastern Front (1941)
A from-scratch TypeScript port of Eastern Front 1941, built from disassembled originals, running client-side as a single-page web app.
Platforms:Web
Stars15
Updated9 months ago
LicenseMIT
Release2022
Genre: Turn-Based Strategy
Theme: World War II
Halted
Original game image
Original game imageClone of Shining Force CD
A disassembly of Shining Force CD that documents the game's code and can rebuild a bit-perfect copy of the original ISO.
Halted
Original game image
Original game imageClone of Beasts and Bumpkins
Open source encoder/decoder tools for EA's MicroTalk speech codec, used in games like SimCity 4 and The Sims Online.
Platforms:None
Stars15
Updated8 years ago
LicenseUnlicense
Release2015
Genre: Real-Time Strategy
Theme: Comedy