Gekkeiju, made by Finland's Coolhouse, is a 3D medieval fantasy MMORPG that has its roots in deep MUD-style gameplay. The game sports an anime style, and a storyline involving invading monsters who must be defeated in order to earn levels and items. Players can customize their character, and can even change many of their character's traits later if they choose, including gender, class, and race. Gekkeiju is completely free to download and play.