With it you can make your own 3d mmorpgs, and its like 55$ only. Games today cost like that
but here you can make you own games, as many as you like!Official site is www.realmcrafter.com but the forums are closed during the beta-test. I found this place for people who want to know more, they seem very nice! Take your time and register there, its free of course!
http://www.mmorpgmaker.com/