'Halo 3: ODST' tops 360 chart

Halo spinoff ODST has beaten Need For Speed: Shift to the top of the Xbox 360 weekly chart.

EA's racer falls one place to second, above Marvel Ultimate Alliance 2, which makes its debut in third.

After a spending a number of weeks at the top end of the chart, Colin McRae: Dirt 2 drops five places to seventh, above The Beatles: Rock Band at eight.

The top ten in full:

1. (-) Halo 3: ODST (Microsoft)
2. (1) Need For Speed: Shift (Electronic Arts)
3. (-) Marvel Ultimate Alliance 2 (Activision)
4. (3) Guitar Hero 5 (Activision)
5. (5) Wet (Bethesda Softworks)
6. (4) Batman: Arkham Asylum (Eidos)
7. (2) Colin McRae: Dirt 2 (Codemasters)
8. (7) The Beatles: Rock Band (Electronic Arts)
9. (6) Call Of Duty 4: Modern Warfare (Activision)
10. (8) Fight Night Round 4 (Electronic Arts)

Leisure software charts compiled by Chart Track, (C) 2008 ELSPA Ltd.