Toontown (pc) Never heard of it sorry
Halo 1,2,3 (pc & Xbox) Love 'em but can't afford a 360 and I have heard they're not as good for PC
Star wars BF2 (pc) I have this on the PS2, a very good game
Battleon (Web) Nope
Maplestory (pc) Nope again
Club Penguin (pc) Did play this once but it wasn't really my kinda thing.
Hope this helps