Eternal Lands http://www.eternal-lands.com/
Eternal Lands is a free MMORPG (massive multiplay online role playing game). There are 9 skills, total character development freedom, many quests, religion, a lot of NPCs, animals and monsters. If you are a PKer, you can fight other PKers in special maps. If you are not a PKer, then you can stay on the non PK maps, where you don't have to worry about being attacked by other players.