Major Nelson just posted his semi-regular top ten list for Xbox Live, which includes both 360 and old-school titles.

Xbox 360 Top Live Games
1 Call of Duty 2
2 Ghost Recon 3
3 Oblivion
4 BFMC
5 PGR3
6 Final Fantasy XI
7 Rockstar Table Tennis
8 EA SPORTS Fight Night Round 3
9 Perfect Dark Zero
10 Hitman: Blood Money Demo

Original Xbox Top Live Games
1 Halo 2
2 Battlefield 2: MC
3 Counter-Strike
4 Splinter Cell Chaos
5 Pro Evolution Soccer 5
6 Rainbow Six 3 BA
7 Madden NFL 2006
8 Star Wars: Battlfrnt 2
9 Forza Motorsport
10 Ghost Recon 2: SS

Nelson says he can't give out the raw numbers, but that if both lists were combined, Halo 2 would still be number one. Wow. Brian Crecente

Top Live Games [Major Nelson]