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Unknown Horizons Godot Engine Port

A cross-platform virtual tabletop for multiplayer card games

KPatience offers a selection of solitaire card games

Free and open source singing game with song editor for desktop and mobile

Open-source Android/Desktop remake of Civ V

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

JinYongLegend-like RPG Game Framework with full Modding support and 10+ hours playable samples of game.

Game for learning how to code.

Full source code for WarriOrb, a Dark-Souls like action platformer - using Unreal Engine 4

shapez is an open source base building game on Steam inspired by factorio!

A game for learning CSS flexbox 🐸

[DEPRECATED] Git mirror of the 0 A.D. SVN source code (migrated to https://gitea.wildfiregames.com on August 20th 2024)

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

Luanti (formerly Minetest) is an open source voxel game-creation platform with easy modding and game creation

KSudoku is a logic-based symbol placement puzzle

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

A collaborative web application (virtual office) presented as a 16-bit RPG video game

Chess board program.

An interactive guide to the game theory of cooperation

The main repository for the development of the evolution game Thrive.