OpenRA / OpenRA

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

yairm210 / Unciv

Open-source Android/Desktop remake of Civ V

wesnoth / wesnoth

An open source, turn-based strategy game with a high fantasy theme.

CorsixTH / CorsixTH

Open source clone of Theme Hospital

Warzone2100 / warzone2100

Command the forces of The Project in a battle to rebuild the world after mankind has been nearly destroyed by nuclear missiles. A 100% free and open source real-time strategy game for Windows, macOS, Linux, BSD+

ihhub / fheroes2

fheroes2 is a recreation of Heroes of Might and Magic II game engine

OpenXcom / OpenXcom

Open-source clone of the original X-Com 👽

FreezingMoon / AncientBeast

The Turn Based Strategy Game/eSport. Master your beasts! 🐺

triplea-game / triplea

TripleA is a turn based strategy game and board game engine, similar to Axis & Allies or Risk.

FreeCol / freecol

FreeCol: FreeCol is a turn-based strategy game based on the old game Colonization, and similar to Civilization. The objective of the game is to create an independent nation.

C7-Game / OpenCiv3

OpenCiv3 is an open-source, cross-platform, mod-oriented, modernized remake of Civilization III by the fan community built with the Godot Engine and C#, with capabilities inspired by the best of the 4X genre and lessons learned from modding Civ3.

afwbkbc / glsmac

Unofficial open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri ( + Alien Crossfire )

eyalgolan / statecraft-israel

A Civilization-style strategy game about governing Israel from 15 May 1948. Real ministers, real map, every fact sourced. Unity + deterministic C# sim.

ja2-stracciatella / ja2-stracciatella

The continuation of the venerable JA2-Stracciatella project.

rust-alert / ra2.exe

使用 Rust 对《红色警戒 2》进行了现代化重写，现已支持高分辨率，窗口化，跨平台等特性，且额外支持《尤里的复仇》、《心灵终结》等 DLC。

Lingikaushikreddy / Settlement-Village

An illustrated multi-agent village strategy game. Set objectives; residents gather, build, upgrade and recruit. Battle, inspect decisions and test AI agents. No API key required.