Real Time Strategy game engine supporting early Westwood classics
Turn-based survival game set in a post-apocalyptic world.
Widelands is a free, open source real-time strategy game
Free and open source real-time strategy game
Open source clone of the Age of Empires II engine
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Endless Sky is a sandbox-style space exploration game
The game engine for everyone
Retro Bowl is an American football game in retro style
simple web browser based game
Code for Cicero, an AI agent that plays the game of Diplomacy
The main repository for the development of the evolution game Thrive
A Minecraft Mod about Matter and Energy
Vulnerable app with examples showing how to not use secrets
Game Preservation Project
Open-source Android/Desktop remake of Civ V
An OpenGL RTS game engine written in C
Real-time Strategy
Tactical 2D shooter in fishy pixels style. Made with Rust-lang
A strategy game with a high fantasy theme
Europa Universalis 4 save game editor
Domination is a game that is a bit like the board game Risk
4X Space Strategy Game
Good-looking and addictive OpenSource games