Last month MS made a killing on the standalone Halo 3 add-on, which, unsurprisingly now lies on the very top of the sales charts in September, outselling Wii Sports and Madden NFL 10. Over 1.5 million copies of Halo 3: ODST were sold (for an expansion pack, that's pretty Goddamn amazing!).

Here's the full September console chart:

1. Halo 3: ODST (Xbox 360) - 1,520,000 units
2. Wii Sports Resort (Wii) - 442,900
3. Madden NFL 10 (Xbox 360) - 298,600
4. Mario & Luigi: Bowser's Inside Story (DS) - 258,100
5. The Beatles: Rock Band (Xbox 360) - 254,000
6. Madden NFL 10 (PS3) - 246,500
7. Marvel Ultimate Alliance 2 (Xbox 360) - 236,000
8. Batman: Arkham Asylum (PS3) - 212,500
9. Guitar Hero 5 (Xbox 360) - 210,800
10. The Beatles: Rock Band (Wii) - 208,600