Well Of Souls is a very good game, i have played it almost since it came out, i had about 8 lvl 99s and about 1000 hours untill i had to get a new computer...anyways here are some other good games i played that are a pretty big download but worth it if u have cable or dsl or soemthing fast....
Redmoon Online - Graphical/Diablo 2 like but more real life/pretty good
http://www.redmoononline.com/
Slayers Online - Graphical/Diablo 2-ish/fun if ur bored
(sorry i dont have the url i think it was shut down or something, you have to like have the host IP to get there and i dont got it =/)
hmmmmmmmmm o yeah lineage
Lineage Online - Very Addictive/Fun if your bored/graphical
http://lineagethebloodpledge.com/