Cloned Games

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
rock-raiders-remake screenshot
rock-raiders-remake

Clone of Lego Rock Raiders

A JavaScript browser remake of the Lego-themed mining game Lego Rock Raiders, still in development.
Platforms:Web
Stars58
Updated7 years ago
LicenseMIT
Release2015
Genre: Real-Time Strategy
Theme: —
Active
Cryogenic screenshot
Cryogenic

Clone of Dune

A C# reimplementation of Dune's 1992 CD version that replaces original DOS assembly routines using the Spice86 x86 emulator.
Platforms:Windows
Stars57
Updated1 month ago
LicenseApache-2.0
Release2022
Genre: Adventure
Theme: Sci-Fi
Active
Apple Flinger screenshot
Apple Flinger

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.
Platforms:Android
Stars55
Updated25 days ago
Licensegpl-3.0
Release2017
Genre: Puzzle
Theme: —
Halted
No preview
mechcommander2

Clone 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
Active
No preview
Pokemon Stadium 2 (US)

Clone of Pokémon Stadium 2

A work-in-progress decompilation rebuilding Pokémon Stadium 2's Nintendo 64 ROM from source.
Platforms:N64
Stars50
Updated2 months ago
LicenseUnknown
Release2024
Genre: Turn-Based Strategy
Theme: —
Active
CorrinoEngine screenshot
CorrinoEngine

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
Updated2 months ago
LicenseGPL-3.0
Release2020
Genre: Real-Time Strategy
Theme: —
Active
No preview
Mechanized Assault & eXploration Reloaded

Clone 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
Updated3 months ago
LicenseUnknown
Release2023
Genre: Real-Time Strategy
Theme: —
Halted
No preview
Revenge of the Titans

Clone 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
Tribal Trouble Resurrected screenshot
Tribal Trouble Resurrected

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
Updated12 days ago
LicenseGPL-2.0
Release2025
Genre: Real-Time Strategy
Theme: —
Active
Advanced Strategic Command screenshot
Advanced Strategic Command

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
Stars44
Updated1 month ago
LicenseGPL-2.0
Release2019
Genre: Turn-Based Strategy
Theme: —
Active
GLKeeper (GrimLands Keeper) screenshot
GLKeeper (GrimLands Keeper)

Clone of Dungeon Keeper 2

GLKeeper (GrimLands Keeper) is an early-development, open-source reimplementation of Dungeon Keeper 2 for Windows, not yet playable.
Platforms:Windows
Stars42
Updated13 days ago
LicenseMIT
Release2020
Genre: Simulation
Theme: —
Halted
No preview
Dupocracy

Clone of DEFCON

Dupocracy is a multiplayer browser game inspired by DEFCON, built in vanilla JavaScript on the GamedevCloud framework.
Platforms:Web
Stars41
Updated13 years ago
LicenseUnknown
Release2013
Genre: Strategy
Theme: —
Halted
No preview
Phoenix

Clone 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
Updated8 years ago
LicenseUnknown
Release2014
Genre: Turn-Based Strategy
Theme: —
Archived
No preview
sissyfight

Clone of SiSSYFiGHT 2000

A 2014 HTML5/Node.js revival of SiSSYFiGHT 2000, funded by a 2013 Kickstarter from the original dev team; now archived.
Platforms:Web
Stars40
Updated8 years ago
LicenseUnknown
Release2013
Genre: Turn-Based Strategy
Theme: —
Halted
No preview
OpenDeathValley

Clone 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
Xconq screenshot
Xconq

Clone of Empire

A general strategy game engine with dozens of built-in scenarios, from ancient warfare to WWII, in the spirit of Empire.
Platforms:WindowsLinuxOSX
Stars37
Updated2 months ago
LicenseGPL-2.0
Release2014
Genre: Strategy
Theme: —
Halted
No preview
Thunder&Lightning

Clone 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
1oom screenshot
1oom

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
MechCommander 2 Omnitech screenshot
MechCommander 2 Omnitech

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
Halted
No preview
Netrobots

Clone of CROBOTS

A networked CROBOTS-style game where robots written in C fight on a shared server, built by students in one week.
Platforms:Linux
Stars31
Updated15 years ago
LicenseGPL-2.0
Release2008
Genre: Strategy
Theme: —
Halted
No preview
Beasts and Bumpkins Fan Patch

Clone 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
No preview
OpenOrion2

Clone 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
Updated9 months ago
LicenseGPL-2.0
Release2021
Genre: Turn-Based Strategy
Theme: Sci-Fi
Halted
No preview
Magnetar

Clone 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
OpenDungeonsPlus screenshot
OpenDungeonsPlus

Clone of Dungeon Keeper

An actively developed fork of OpenDungeons, the Dungeon Keeper-inspired open-source dungeon-building RTS.
Platforms:WindowsLinux
Stars28
Updated21 days ago
LicenseUnknown
Release2014
Genre: Simulation
Theme: Horror
Halted
mengde screenshot
mengde

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
No preview
RxWars

Clone of Drugwars

A multiplayer prescription-drug-dealing simulation for pharmacy school classes, inspired by the DOS game Drug Wars.
Platforms:Web
Stars27
Updated10 years ago
LicenseGPL-3.0
Release2015
Genre: Strategy
Theme: Crime
Active
No preview
Blood & Magic Interactive Demo

Clone of Blood & Magic

This repository preserves the official 1996 interactive preview demo of Blood & Magic, including a tutorial and two scenarios.
Platforms:WindowsDOS
Stars25
Updated17 days ago
LicenseUnknown
Release2016
Genre: Real-Time Strategy
Theme: Fantasy
Halted
OpenRedAlert screenshot
OpenRedAlert

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
Active
No preview
Enemy Nations Revival

Clone 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
Updated11 days ago
LicenseUnknown
Release2022
Genre: Real-Time Strategy
Theme: —
Sporadic
No preview
SF1DISASM

Clone of Shining Force

A fully documented Shining Force disassembly that reassembles into a bit-perfect ROM, meant as a base for fan mods.
Platforms:Genesis
Stars22
Updated10 months ago
LicenseUnknown
Release2015
Genre: RPG
Theme: Fantasy
Halted
cc94 screenshot
cc94

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.
Platforms:Web
Stars22
Updated8 years ago
LicenseAGPL-3.0
Release2014
Genre: Turn-Based Strategy
Theme: —
Sporadic
No preview
wkbre2

Clone of Warrior Kings

A from-scratch, multiplayer-capable rewrite of the wkbre Warrior Kings engine reimplementation, still in early development.
Platforms:WindowsLinux
Stars22
Updated5 months ago
LicenseGPL-3.0
Release2019
Genre: Real-Time Strategy
Theme: —
Sporadic
BBTools screenshot
BBTools

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
Updated11 months ago
LicenseGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Comedy
Halted
Paybacktime 2 screenshot
Paybacktime 2

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
No preview
BlakedAwesomenaughts

Clone of Awesomenauts

An unmodified melonJS HTML5 game engine boilerplate template with no game-specific code built on top, marked as unplayable.
Platforms:Web
Stars20
Updated11 years ago
LicenseMIT
Release2015
Genre: RPG
Theme: —
Halted
wkbre screenshot
wkbre

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: —
Halted
No preview
7k2

Clone 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
Stars19
Updated10 years ago
LicenseUnknown
Release2012
Genre: Real-Time Strategy
Theme: Fantasy
Halted
Kevin Toms Football Manager screenshot
Kevin Toms Football Manager

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
Updated4 years ago
LicenseUnknown
Release2021
Genre: Simulation
Theme: Management
Halted
No preview
DarkReignLauncher

Clone of Dark Reign: The Future of War

Platforms:Windows
Stars17
Updated3 years ago
LicenseMIT
Release2018
Genre: Real-Time Strategy
Theme: Sci-Fi

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