8BitMMO is a free online videogame where up to 250 concurrently connected players can shape the world block by block. The game's engine allows for a wide variety of player made buildings. Players can build solo, or group up and create their own towns with friends for cooperative building projects. In either case, a grief protection system protects the player's creations from unwanted interference. The game is humorous in tone, with amusing quests and unusual enemies . There is also basic Player vs Player and Player vs Environment combat.