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
No preview

Clone 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.
Platforms:Web
Stars6
Updated11 years ago
LicenseGPL-2.0
Release2014
Genre: Simulation
Theme: —
Sporadic
wanderer screenshot

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
Updated5 months ago
LicenseAGPL-3.0
Release2022
Genre: Shooter
Theme: —
Halted
Breach for Genesis screenshot

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.
Platforms:Genesis
Stars5
Updated6 years ago
LicenseUnknown
Release2020
Genre: Strategy
Theme: Sci-Fi
Halted
No preview
Platforms:None
Stars5
Updated10 years ago
LicenseUnknown
Release2016
Theme: —
Halted
Walic screenshot

Clone of Gwent

An unofficial open-source recreation of a late Gwent beta build, with 3 of 5 factions implemented so far.
Platforms:WindowsLinuxOSX
Stars5
Updated5 years ago
Licenseapache-2.0
Release2021
Halted
No preview

Clone of Artillery Duel

An online Artillery Duel clone for the Commodore 64, written in compiled BASIC and played over the internet via a WiC64.
Platforms:C64
Stars4
Updated3 years ago
LicenseUnlicense
Release2021
Genre: Strategy
Theme: —
Halted
NetNuclear screenshot

Clone of Nuclear War

A Windows remake of New World Computing's satirical strategy game Nuclear War, with its source mirrored on GitHub.
Platforms:Windows
Stars4
Updated9 years ago
LicenseUnknown
Release2015
Theme: —
Halted
Nether Earth Remake screenshot

Clone of Nether Earth

A PC remake of the 1987 strategy game Nether Earth, packaged here for Linux.
Platforms:WindowsLinuxOSX
Stars4
Updated7 years ago
LicenseUnknown
Release2019
Genre: Strategy
Theme: Sci-Fi
Halted
Xenowar screenshot

Clone of X-COM: UFO Defense

A turn-based strategy game for Win32 and Android inspired by the classic X-COM series.
Platforms:OSXAndroidiOS
Stars4
Updated4 years ago
LicenseUnknown
Release2022
Genre: Strategy
Theme: Horror
Halted
No preview

Clone of Civilization

A clone of Civilization for DOS, with no further descriptive detail available beyond that, though it is listed as playable.
Platforms:DOS
Stars3
Updated9 years ago
LicenseUnknown
Release2017
Theme: —
Halted
No preview

Clone of Shining Force

An IDA Pro toolkit for reverse-engineering Shining Force, feeding its work into the companion SF1DISASM project.
Platforms:Genesis
Stars3
Updated2 years ago
LicenseUnknown
Release2015
Genre: RPG
Theme: Fantasy
Sporadic
No preview
Platforms:Web
Stars3
Updated3 months ago
LicenseGPL-3.0
Release2026
Theme: —
Halted
W.R. Hutsell's Civil War Strategy Game screenshot

Clone of Civil War Strategy

A turn-based Civil War strategy wargame by W.R. Hutsell, with its original source preserved and a QB64-ported branch.
Platforms:Windows
Stars3
Updated1 year ago
LicenseMIT
Release2021
Genre: Simulation
Theme: Civil War
Halted
No preview

Clone of Drugwars

An attempted, apparently incomplete JavaScript port of the TI calculator game Drugwars for the web.
Platforms:Web
Stars3
Updated12 years ago
LicenseUnknown
Release2014
Genre: Strategy
Theme: Crime
Halted
No preview

Clone of Payback Time

Source code for Payback Time, a tactical battle game, including a scene editor for building and editing scenes.
Platforms:Windows
Stars3
Updated2 years ago
LicenseMIT
Release2014
Halted
No preview
Platforms:Windows
Stars2
Updated10 years ago
LicenseUnknown
Release2016
Genre: RPG
Theme: —
Halted
No preview

Clone of MechCommander 2

An unofficial 'HD' project for MechCommander 2, whose README is mostly Microsoft's Shared Source license text rather than a list of changes.
Platforms:Windows
Stars2
Updated11 years ago
LicenseUnknown
Release2015
Active
No preview

Clone of X-COM: UFO Defense

An open-source MonoGame remake of X-COM: UFO Defense (UFO: Enemy Unknown), originally built in XNA around 2007.
Platforms:Windows
Stars2
Updated2 months ago
LicenseMIT
Release2016
Genre: Strategy
Theme: Horror
Archived
λ-Robots screenshot

Clone of CROBOTS

A serverless port of the DOS game P-Robots built on AWS Lambda, DynamoDB, and S3, where players code battle bots in .NET; now archived.
Platforms:None
Stars2
Updated3 years ago
LicenseUnknown
Release2019
Genre: Strategy
Theme: —
Halted
SDL Tunneler screenshot

Clone of Tunneler

An SDL port of the 1991 DOS split-screen tank game Tunneler, built for Linux and Windows.
Platforms:Windows
Stars1
Updated14 years ago
LicenseGPL-2.0
Release2012
Genre: Action
Theme: —
Halted
No preview

Clone of Shining Force CD

A collaborative reverse-engineering project for the Sega CD tactical RPG Shining Force CD.
Platforms:Sega CD
Stars1
Updated11 years ago
LicenseUnknown
Release2015
Genre: RPG
Theme: Fantasy
Halted
Savage: The Battle for Newerth screenshot

Clone of Savage: The Battle for Newerth

The official archived source code release of Savage: The Battle for Newerth, preserved via the Internet Archive.
Platforms:Windows
Stars1
Updated2 years ago
LicenseUnknown
Release2024
Genre: FPS
Theme: Fantasy
Halted
TunnelTanks screenshot

Clone of Tunneler

TunnelTanks is a modernized SDL-powered port of the 1991 DOS game Tunneler, with an experimental Android build.
Platforms:Linux
Stars1
Updated12 years ago
LicenseUnknown
Release2014
Genre: Action
Theme: —
Halted
opene2140 screenshot

Clone of Earth 2140

An early, not-yet-playable C++ reimplementation of the 1997 RTS Earth 2140 that uses the original game files.
Platforms:LinuxOSX
Stars1
Updated3 years ago
Licensegpl-3.0+
Release2020
Halted
LibDay screenshot

Clone of Liberation Day

An early-stage Unity remake of Liberation Day, still far from playable, with progress limited to tools extracting the original's data.
Platforms:None
Stars0
Updated9 years ago
LicenseMIT
Release2017
Active
Tremulous screenshot
Platforms:WindowsLinuxOSX
Stars0
Updated29 days ago
LicenseGPL2, CC-BY-SA*
Release2026
Genre: FPS
Theme: Sci-Fi
Sporadic
W.R. Hutsell's Wars of Napoleon Game screenshot

Clone of Wars of Napoleon

The preserved original DOS source code for W.R. Hutsell's Napoleonic Wars wargame, kept unedited for history.
Platforms:DOS
Stars0
Updated9 months ago
LicenseMIT
Release2021
Genre: Simulation
Theme: —
Halted
W.R. Hutsell's World War 2 In Western Europe Game screenshot

Clone of World War II In Western Europe

The preserved original DOS source code for W.R. Hutsell's Second World War strategy wargame, kept unedited for history.
Platforms:DOS
Stars0
Updated1 year ago
LicenseMIT
Release2021
Halted
Yiff! screenshot

Clone of Chain Reaction

A 1998 DOS puzzle game where two players trigger chain reactions to turn a grid of foxes their color.
Platforms:DOS
Stars0
Updated4 years ago
LicenseUnknown
Release2022
Genre: Strategy
Theme: —
Halted
No preview

Clone of Ataxx

A primitive, unpolished Windows clone of the arcade game Ataxx, not intended as a finished release.
Platforms:Windows
Stars0
Updated11 years ago
LicenseUnknown
Release2015
Theme: —
0 A.D. screenshot
Platforms:WindowsLinuxOSX
LicenseGPL2, CC-BY-SA*
No preview
Platforms:Linux
LicenseGPL2*
After Protocol screenshot
Platforms:Windows
LicenseUnknown
No preview
Platforms:None
LicenseGPL2*
Army Men III screenshot

Clone of Army Men II

A fan-made, unofficial 3D third-person-shooter sequel to Army Men II, released with source code and playable on Windows in its beta state.
Platforms:Windows
LicenseUnknown
Arrakis screenshot

Clone of Dune 2

Platforms:DOS
LicenseUnknown
Artillery Duel Reloaded screenshot
Platforms:None
LicenseGPL3*
Genre: Strategy
Theme: —
No preview
Platforms:WindowsLinux
LicenseGPL2*
Atomic Tanks screenshot
Platforms:WindowsLinux
LicenseGPL2*
Theme: —

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