Free & Open Source Medieval Games
83 free, open-source medieval games — real clones and remakes you can download, inspect the source of, and modify.
Active
Clone of Age of Empires II
A free engine clone of Age of Empires' Genie Engine; it needs the original game assets, and gameplay is being rebuilt.
Platforms:Linux
Stars14,432
Updated1 month ago
LicenseUnknown
Release2013
Genre: Real-Time Strategy
Theme: Medieval
Archived
Clone of Diablo II
An archived Go-based cross-platform engine for playing Diablo 2 with your own copy of the game data.
Active
Clone of Diablo
DevilutionX is a modernized port of Diablo and Hellfire built on the Devilution source reconstruction, adding engine fixes and QoL features.
Halted
Clone of Diablo
Devilution reconstructs Diablo's original 1996 source code from reverse-engineered debug symbols, preserving its original bugs intact.
Active
Clone of Old School RuneScape
A free, open-source client for Old School RuneScape that adds a plugin system for extending client functionality.
Active
Clone of The Settlers II
Widelands is a free, open-source RTS inspired by The Settlers II, with singleplayer campaigns, multiplayer, and Lua-scripted scenarios.
Platforms:WindowsLinuxOSX
Stars3,061
Updated1 month ago
LicenseGPL-2.0
Release2019
Genre: Real-Time Strategy
Theme: Medieval
Active
Clone of 1½ Ritter: Auf der Suche nach der hinreißenden Herzelinde
An open-source engine reimplementation that lets classic point-and-click adventures and RPGs run on modern platforms.
Halted
Active
Clone of The Legend of Sword and Fairy
A cross-platform SDL reimplementation of the engine behind the 1995 Chinese RPG Legend of Sword and Fairy.
Active
Clone of Rogue Legacy
The official Rogue Legacy source code release (FNA build), requiring your own copy's assets.
Active
Active
Clone of Baldur's Gate
GemRB is a portable, open-source reimplementation of the Infinity Engine, requiring the player's own copy of the original game data.
Halted
Halted
Halted
Active
Clone of The Settlers II
A community-maintained reimplementation of The Settlers II adding internet multiplayer, reusing the original's graphics and sound.
Platforms:WindowsLinuxOSX
Stars588
Updated2 months ago
LicenseGPL-2.0
Release2013
Genre: Real-Time Strategy
Theme: Medieval
Active
Original game image
Original game imageClone of Warcraft III
Warsmash is an unofficial Java/LibGDX Warcraft III emulator that requires your own copy of the original game's assets.
Platforms:Windows
Stars559
Updated2 months ago
LicenseAGPL-3.0
Release2021
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Warcraft III
HiveWE is a fast third-party World Editor replacement for Warcraft III, adding quicker load times and advanced map-editing tools.
Platforms:Windows
Stars473
Updated1 month ago
LicenseAGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Warcraft II
Wargus lets you play Warcraft II with the open-source Stratagus engine, matching the original's look, sound, and gameplay.
Platforms:WindowsLinuxOSX
Stars435
Updated2 months ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Glest
MegaGlest is a free, actively developed 3D real-time strategy game with seven factions across 17 settings, for Windows, Linux, and macOS.
Platforms:WindowsLinuxOSX
Stars420
Updated4 months ago
LicenseUnknown
Release2013
Genre: Real-Time Strategy
Theme: Medieval
Active
Original game image
Original game imageClone of Warcraft: Orcs & Humans
A static recompiler that rebuilds classic DOS/Windows games like X-COM and Warcraft: Orcs & Humans as native modern builds.
Platforms:WindowsLinux
Stars416
Updated2 months ago
LicenseUnknown
Release2016
Genre: Real-Time Strategy
Theme: Fantasy
Sporadic
Clone of Hexen II
FTEQW is an advanced, portable open-source engine for idTech games like Quake, Quake II, and III, with servers holding hundreds of players.
Platforms:WindowsLinux
Stars341
Updated5 months ago
LicenseGPL-2.0
Release2021
Genre: FPS
Theme: Ancient History
Halted
Clone of The Settlers
Freeserf is a remake that requires the original DOS or Amiga data files to run, playable on Windows, Linux, and macOS.
Platforms:WindowsLinuxOSX
Stars338
Updated2 years ago
LicenseGPL-3.0
Release2011
Genre: Real-Time Strategy
Theme: Medieval
Halted
Original game image
Original game imageClone of Diablo II
A clean-room reimplementation in C of the Diablo II engine, currently unplayable with development halted.
Halted
Clone of Stronghold
An open-source engine reimplementation of Stronghold; development is frozen pending Firefly's Definitive Edition release.
Platforms:WindowsLinuxOSX
Stars281
Updated2 years ago
LicenseMIT
Release2019
Genre: Real-Time Strategy
Theme: Medieval
Halted
Active
Halted
Halted
Clone of Age of Empires II
freeaoe is a from-scratch, single-developer reimplementation of the Age of Empires II engine, still in early development.
Platforms:Windows
Stars237
Updated3 years ago
LicenseGPL-3.0
Release2019
Genre: Real-Time Strategy
Theme: Medieval
Active
Clone of Knights and Merchants
A modernized remake of Knights and Merchants adding 12-player multiplayer, reworked AI, and scripting support for custom maps.
Platforms:WindowsLinuxOSX
Stars176
Updated1 month ago
LicenseAGPL-3.0
Release2016
Genre: Real-Time Strategy
Theme: Medieval
Halted
Clone of Gauntlet
An HTML5 canvas remake of Gauntlet released under the MIT license, supporting modern browsers; development has halted.
Sporadic
Clone of The Settlers
A C# port of Freeserf, an authentic remake of The Settlers I, requiring the original game's data files and adding new AI.
Platforms:WindowsLinux
Stars169
Updated4 months ago
LicenseGPL-3.0
Release2018
Genre: Real-Time Strategy
Theme: Medieval
Active
Clone of Stronghold
An actively developed, open-source isometric remake of Firefly Studios' Stronghold, built in the LÖVE engine.
Platforms:None
Stars166
Updated2 months ago
Licenseapache-2.0
Release2017
Genre: Real-Time Strategy
Theme: Medieval
Active
Clone of Warcraft: Orcs & Humans
An in-progress C remake of Warcraft: Orcs & Humans using the original game's assets, with core RTS features implemented.
Platforms:WindowsLinuxRaspberry Pi
Stars153
Updated3 months ago
LicenseZlib
Release2018
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of Mount & Blade
An open-source C# role-playing engine for the Mount & Blade series, built on Ogre3D with mod and Mod.io support.
Active
Active
Clone of Warcraft: Orcs & Humans
A Stratagus-engine reimplementation of Warcraft: Orcs & Humans with modern RTS conveniences, using the original's assets.
Platforms:WindowsLinuxOSX
Stars132
Updated4 months ago
LicenseGPL-2.0
Release2015
Genre: Real-Time Strategy
Theme: Fantasy
Active
Clone of RuneScape Classic
A cross-platform, feature-enhanced C99 port of the original RuneScape Classic client.
Archived
Clone of Warcraft: Orcs & Humans
A from-scratch, multiplatform port of Warcraft: Orcs & Humans using only the original art and level data; now archived.
Platforms:Windows
Stars80
Updated2 years ago
LicenseMIT
Release2015
Genre: Real-Time Strategy
Theme: Fantasy