A sandbox construction game inspired by earlier "voxel world" style games such as Minetest, Minecraft, and Infiniminer.
An addictive, arena-style first person shooter with crisp movement and a wide array of weapons.
A Civilization-like game in which the player has to conquer the new world.
The fast-paced strategy card game that's easy to learn and massively fun.
A 3D world where everyone you see is a real person and every place you visit is built by people just like you.
A two-dimensional platform game with a design similar to classic computer games.
A free, open source roguelike RPG, featuring tactical turn-based combat and advanced character building.
An online game where players from around the world assume the roles of heroic fantasy characters and explore a virtual world full of mystery, magic, and endless adventure.
Play a game of chess against GreenChess or Stockfish and view PGN databases.
An open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe".
A massively multiplayer online role-playing game (MMORPG) set in Middle-earth during the time of The Lord of the Rings.
The first ever single-player adaptation of Disney's Toontown Online.