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.

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Balance of Power 1990

Clone of Balance of Power

Platforms:Classic Mac OS

LicenseUnknown

Genre: Simulation

Theme: —

Ballerburg SDL

Clone of Ballerburg

Platforms:LinuxOSX

LicenseGPL3*

Genre: Strategy

Theme: —

Brutal Chess

Clone of Battle Chess

Platforms:WindowsLinuxOSX

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

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C++Robots

Clone of CROBOTS

Platforms:None

LicenseUnknown

Genre: Strategy

Theme: —

C-evo

Clone of Civilization II

Platforms:Windows

LicensePD*

Genre: Turn-Based Strategy

Theme: —

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Civ89

Clone of Civilization

Platforms:TI calculator

LicenseUnknown

Genre: Turn-Based Strategy

Theme: —

No preview

Conquest: Frontier Wars

Clone of Conquest: Frontier Wars

Platforms:Windows

LicenseUnknown

Genre: Real-Time Strategy

Theme: —

Crimson Fields

Clone of Battle Isle series

Platforms:WindowsLinux

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

Crown and Cutlass

Clone of Sid Meier's Pirates!

Platforms:WindowsLinux

LicenseBSD*

Genre: Action

Theme: —

Daleks

Clone of Daleks

Platforms:HP calculator

LicenseUnknown

Genre: Turn-Based Strategy

Theme: Sci-Fi

Dark Oberon

Clone of Warcraft II

Platforms:WindowsLinux

LicenseGPL2*

Genre: Real-Time Strategy

Theme: Fantasy

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DarkSpace

Clone of DarkSpace

Platforms:Windows

LicenseMIT*

Genre: Real-Time Strategy

Theme: —

No preview

Deuteros X

Clone of Deuteros

Platforms:Windows

LicenseGPL2*

Genre: Strategy

Theme: —

DopeWars for Mystic BBS

Clone of Drugwars

Platforms:DOS

LicenseUnknown

Genre: Strategy

Theme: Crime

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Dopewars BBS Door

Clone of Drugwars

Platforms:DOS

LicenseUnknown

Genre: Strategy

Theme: Crime

DrugWars (HP Calculator)

Clone of Drugwars

Platforms:HP calculator

LicenseUnknown

Genre: Strategy

Theme: Crime

Dune Legacy

Clone of Dune 2

Platforms:WindowsLinuxOSX

LicenseGPL2*

Genre: Real-Time Strategy

Theme: Sci-Fi

Dungeon Digger

Clone of Dungeon Keeper

Platforms:WindowsLinux

LicenseGPL2*

Genre: Simulation

Theme: Horror

Eastern Front (1941)

Clone of Eastern Front (1941)

Platforms:Atari

LicenseUnknown

Genre: Turn-Based Strategy

Theme: World War II

No preview

Excalibur

Clone of Excalibur

Platforms:Atari

LicenseUnknown

Genre: Strategy

Theme: Fantasy

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FreeLords

Clone of Warlords II

Platforms:None

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

FreePop

Clone of Populous II

Platforms:None

LicenseGPL2*

Genre: Real-Time Strategy

Theme: Management

FreeRails 2

Clone of Railroad Tycoon

Platforms:None

LicenseGPL2*

Genre: Simulation

Theme: Management

FreeSynd

Clone of Syndicate

Platforms:WindowsLinux

LicenseGPL2*

Genre: Real-Time Tactics

Theme: Cyberpunk

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Freeciv Alpha Centauri project

Clone of Sid Meier's Alpha Centauri

Platforms:Linux

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

No preview

Freestars

Clone of Stars!

Platforms:Windows

LicenseGPL2*

Genre: Turn-Based Strategy

Theme: —

Gigalomania

Clone of Mega-Lo-Mania

Platforms:WindowsLinuxOSX

LicenseGPL2*

Genre: Real-Time Strategy

Theme: —

Glest Advanced Engine

Clone of Glest

Platforms:WindowsLinux

LicenseGPL2*

Genre: Real-Time Strategy

Theme: Medieval

Herzog 3D

Clone of Herzog Zwei

Platforms:None

LicenseGPL2*

Genre: Real-Time 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: —

No preview

Legionnaire

Clone of Legionnaire

Platforms:Atari

LicenseUnknown

Genre: Real-Time 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: —

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