if you want a good MMORPG game that requires no monthly fee, check this out:
http://eng.pristontale.com/
right now, i'm addicted to CoD, priston tale, and System Shock 2 (playing co-op with my brother...)..
Pristontale so far to my experience, you just run around killing enemies, joining parties and stuff, but theres alot more than that that I still need to uncover once I reach level 20...