This weeks top Xbox Live games.

Xbox 360 Top Live Games

1. Saints Row
2. Call of Duty 2
3. Madden NFL 07
4. Test Drive Unlimited
5. Ghost Recon 3
6. DEAD RISING
7. Oblivion
8. BFMC
9. Texas Hold ‘em
10. Final Fantasy XI

Original Xbox Top Live Games

1. Halo 2
2. Madden NFL 07
3. Battlefield 2: MC
4. Pro Evolution Soccer 5
5. Counter-Strike
6. Splinter Cell Chaos
7. Star Wars: Battlfrnt 2
8. Rainbow Six 3 BA
9. Forza Motorsport
10. Ghost Recon 2: SS

Top Xbox Live Arcade Titles (Full Versions)

1. Texas Hold ‘em
2. Street Fighter II’ Hyper Fighting
3. Hexic HD
4. Geometry Wars Evolved
5. UNO
6. Scramble
7. PAC-MAN
8. Marble Blast Ultra
9. Bankshot Billiards 2
10. Zuma 

If you combine the lists, then Halo 2 would be number 1, followed by all Xbox 360 games.

Source: majornelson.com