http://www.majornelson.com/archive/2006/11/11/xbox-live-activity-for-week-of-11-6.aspx
All lists are based on World Wide Unique Users on Xbox Live. These lists are based on title usage (while connected to Xbox Live.)
Xbox 360 Top Live Titles (UUs)
1 Halo 2
2 Gears of War
3 Call of Duty 2
4 Splinter Cell Double Agent
5 Need for Speed Carbon
6 Madden NFL 07
7 Ghost Recon 3
8 Saints Row
9 Pro Evolution Soccer 6
10 Call Of Duty 3
Top Arcade Titles (Full Versions)
1 Contra
2 UNO
3 Ultimate Mortal Kombat 3
4 Texas Hold 'em
5 Geometry Wars Evolved
6 Hexic HD
7 LUMINES LIVE!
8 DOOM
9 Street Fighter II' Hyper Fighting
10 Bankshot Billiards 2
Original Xbox Top Live Games
1 Halo 2
2 Battlefield 2: MC
3 Madden NFL 07
4 Counter-Strike
5 Rainbow Six 3 BA
6 Star Wars: Battlfrnt 2
7 Forza Motorsport
8 Splinter Cell-DA
9 Splinter Cell Chaos
10 Rainbow Six 3
If the Xbox 360 list and the Original Xbox list were combined, then Halo 2 would be the top Xbox Live title, followed by Xbox 360 titles.
Looks like they've started counting people playing Halo 2 via their 360s in the 360 list.
All lists are based on World Wide Unique Users on Xbox Live. These lists are based on title usage (while connected to Xbox Live.)
Xbox 360 Top Live Titles (UUs)
1 Halo 2
2 Gears of War
3 Call of Duty 2
4 Splinter Cell Double Agent
5 Need for Speed Carbon
6 Madden NFL 07
7 Ghost Recon 3
8 Saints Row
9 Pro Evolution Soccer 6
10 Call Of Duty 3
Top Arcade Titles (Full Versions)
1 Contra
2 UNO
3 Ultimate Mortal Kombat 3
4 Texas Hold 'em
5 Geometry Wars Evolved
6 Hexic HD
7 LUMINES LIVE!
8 DOOM
9 Street Fighter II' Hyper Fighting
10 Bankshot Billiards 2
Original Xbox Top Live Games
1 Halo 2
2 Battlefield 2: MC
3 Madden NFL 07
4 Counter-Strike
5 Rainbow Six 3 BA
6 Star Wars: Battlfrnt 2
7 Forza Motorsport
8 Splinter Cell-DA
9 Splinter Cell Chaos
10 Rainbow Six 3
If the Xbox 360 list and the Original Xbox list were combined, then Halo 2 would be the top Xbox Live title, followed by Xbox 360 titles.
Looks like they've started counting people playing Halo 2 via their 360s in the 360 list.