Top played Games on Xbox Live

Microsoft have published a list of the top played games for 2008 on xbox live, any surprises?

Xbox 360 Top Live Titles (based on unique users)
1. Halo 3
2. Call of Duty 4
3. GTA IV
4. Gears of War 2
5. Gears of War
6. CoD: World at War
7. Guitar Hero III
8. Battlefield: Bad Company Demo
9. Star Wars: The Force Unleashed Demo
10. Rock Band
11. Fable II
12. Mirror’s Edge Demo
13. Madden NFL 09
14. BF: Bad Company
15. Rainbow Six Vegas 2
16. UNO
17. Castle Crashers
18. COD: World at War Multiplayer Beta
19. Forza Motorsport 2
20. Too Human - Demo