Soul Calibur
Deadly Skies
Vampire Chronicles
DOA2SE
S.F.Rush2049
This is the top5, mind you. REZ was a close follow up, as was Phantasy Star Online, but these games are really those I played the most (PSO doesn´t count time-wise, sometimes I have a PSO-phase for a month or so but I´m fine, thanks, it goes away...)