Free & Open Source Turn-Based Strategy Games

146 free, open-source turn-based 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.

DrugWars (HP Calculator)

Clone of Drugwars

Platforms:HP calculator

LicenseUnknown

Genre: Strategy

Theme: Crime

Eastern Front (1941)

Clone of Eastern Front (1941)

Platforms:Atari

LicenseUnknown

Genre: Turn-Based Strategy

Theme: World War II

Warlords II (original game, not this project)

Original game image

FreeLords

Clone of Warlords II

Platforms:None

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

Sid Meier's Alpha Centauri (original game, not this project)

Original game image

Freeciv Alpha Centauri project

Clone of Sid Meier's Alpha Centauri

Platforms:Linux

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

Stars! (original game, not this project)

Original game image

Freestars

Clone of Stars!

Platforms:Windows

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

JScorch

Clone of Scorched Earth

Platforms:None

LicenseGPL2*

Genre: Turn-Based Tactics

Theme: —

Kaiser II

Clone of Kaiser II

Platforms:Atari

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

King of the Hill

Clone of Scorched Earth

Platforms:Linux

LicenseGPL2*

Genre: Turn-Based Tactics

Theme: —

LGeneral

Clone of Panzer General

Platforms:WindowsLinux

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

LordsAWar!

Clone of Warlords II

Platforms:WindowsLinux

LicenseGPL3*

Genre: Turn-Based Strategy

Theme: —

NStars!

Clone of Stars!

Platforms:Windows

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

No preview

Olympia PBEM

Clone of Olympia PBEM

Platforms:None

LicenseBSD*

Genre: Turn-Based Strategy

Theme: Fantasy

No preview

Olympia g3

Clone of Olympia PBEM

Platforms:Windows

LicenseBSD*

Genre: Turn-Based Strategy

Theme: Fantasy

OpenCiv1

Clone of Civilization

Platforms:WindowsLinuxOSX

LicenseMIT*

Genre: Turn-Based Strategy

Theme: —

Warhammer 40,000: Chaos Gate (original game, not this project)

Original game image

Ordoor

Clone of Warhammer 40,000: Chaos Gate

Platforms:Linux

LicenseMIT*

Genre: Turn-Based Tactics

Theme: Sci-Fi

Realtime Chaos

Clone of Chaos: The Battle of Wizards

Platforms:Windows

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: Fantasy

Scorch Went Bonkers

Clone of Scorched Earth

Platforms:Windows

LicenseZlib*

Genre: Turn-Based Tactics

Theme: —

Scorched Earth 2000

Clone of Scorched Earth

Platforms:Web

LicenseGPL2*

Genre: Turn-Based Tactics

Theme: —

Scorched3D

Clone of Scorched Earth

Platforms:WindowsLinux

LicenseGPL2*

Genre: Turn-Based Tactics

Theme: —

Space Opera

Clone of Galactic Civilizations

Platforms:WindowsLinuxOSX

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: Sci-Fi

Stars! Nova

Clone of Stars!

Platforms:None

LicenseCC-BY-SA, GPL2*

Genre: Turn-Based Strategy

Theme: —

Starship Commander Disassembly

Clone of Starship Commander

Platforms:Apple II

LicenseUnknown

Genre: Turn-Based Strategy

Theme: Sci-Fi

UFO2000

Clone of X-COM: UFO Defense

Platforms:WindowsLinux

LicenseGPL2*

Genre: Strategy

Theme: Horror

UFO: Alien Invasion

Clone of X-COM: UFO Defense

Platforms:WindowsLinuxOSX

LicenseGPL2*

Genre: Strategy

Theme: Horror

X-Force: Fight For Destiny

Clone of X-COM: UFO Defense

Platforms:Windows

LicenseGPL2*

Genre: Strategy

Theme: Horror

Archon: The Light and the Dark (original game, not this project)

Original game image

XArchon

Clone of Archon: The Light and the Dark

Platforms:WindowsLinux

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

Xscorch

Clone of Scorched Earth

Platforms:Linux

LicenseGPL2*

Genre: Turn-Based Tactics

Theme: —

[CELL]IVIZATION

Clone of Civilization

A turn-based 4X strategy game built entirely in Microsoft Excel, made by s0lly in about a week for the 2019 OLC CODEJAM.

Platforms:WindowsLinuxOSX

LicenseUnknown

Genre: Turn-Based Strategy

Theme: —

dwars

Clone of Drugwars

Platforms:WindowsLinux

LicenseGPL2*

Genre: Strategy

Theme: Crime

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