Open-source Android/Desktop remake of Civ V

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

Open source clone of Theme Hospital

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+

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

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

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

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.

AI for Screeps, a multiplayer programming strategy game

JavaScript 4X game

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

The continuation of the venerable JA2-Stracciatella project.

MegaGlest real-time strategy game engine (cross-platform, 3-d)

A simulation of a true AI. Survive, grow, and learn.

"KaM Remake" is an RTS game remake written in Delphi from scratch.

A multi-player tournament benchmark that tests LLMs in social reasoning, strategy, and deception. Players engage in public and private conversations, form alliances, and vote to eliminate each other

🗺 A JavaScript library to easily integrate one or more SVG world maps with all nations (countries) and second-level political subdivisions (countries, provinces, states).

🚀 An open source multiplayer space strategy game.

🎮 TypeScript game numeric engine for RPG & strategy games. Zero dependencies, type-safe formula parsing, battle system simulation, and expression evaluation. 基于 TypeScript 的游戏数值引擎，专为 RPG 和策略游戏设计。零依赖、类型安全的公式解析、战斗系统模拟和表达式计算。

Zetawar is a turn based tactical strategy game implemented in 100% ClojureScript.