Major Nelson has posted an updated list of the Xbox Live Activity. For the week of December 4 it's Gears of War that tops the chart, once again fending off competition from Call of Duty 3, Rainbow Six Vegas, Lost Planet multiplayer demo and even Halo 2.

RoboBlitz, the new release on Xbox Live Arcade, tops the Arcade chart and places at No.6 in the Xbox 360 full chart.

Xbox 360 Top Live Titles:

1. Gears of War

2. Call Of Duty 3

3. Tom Clancy's Rainbow Six Vegas

4. Lost Planet Online Demo

5. Madden NFL 07

6. RoboBlitz

7. Call of Duty 2

8. Oblivion

9. Ghost Recon Advanced Warfighter

10. Small Arms