Duelyst

An automation tower-defense RTS: build conveyor belts and factories to produce resources and hold off waves of enemies, with multiplayer.

♞ lichess.org: the forever free, adless and open source chess server ♞

An open-source turn-based 4X strategy game in the style of classic civilization games, for Android and desktop, actively updated.

🏰 An exciting game of programming and Artificial Intelligence

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

Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.