Taken from VGchartz with additions from other sources for DoA4 and Uno.

MILLION SALES CLUB - 23 MEMBERS

4.53 million - Gears of War Microsoft
2.04 million - Call of Duty 2 Activision
2.00 million - Ghost Recon Adv. Warfighter Ubisoft
1.96 million - Elder Scrolls IV: Oblivion Take 2
1.79 million - Rainbow Six: Vegas Ubisoft
1.71 million - Madden NFL 07 EA
1.62 million - Call Of Duty 3 Activision
1.54 million - Fight Night Round 3 EA
1.48 million - Guitar Hero II Activision
1.41 million - Lost Planet: Extreme Condition Capcom
1.35 million - Crackdown Microsoft
1.34 million - Dead Rising Capcom
1.33 million - Ghost Recon: Adv Warfighter II Ubisoft
1.24 million - Saints Row THQ
1.20 million - Perfect Dark Zero Microsoft
1.20 million - *Madden NFL 08 EA
1.10 milion - Need for Speed: Most Wanted EA
1.05 million - Need For Speed: Carbon EA
1.02 million - Splinter Cell: Double Agent Ubisoft
1.02 million - Project Gotham Racing 3 Microsoft
1.01 million - Forza Motorsport 2 Microsoft
1++ million - **Dead Or Alive 4 Tecmo
1++ million - ***Uno Microsoft

* Only from 2 months of sales, expected to rise even further
** From Kotaku, though other sources claim a lot of unsold copies
*** Includes pack-ins with cameras and XBLA unplugged



DID YOU KNOW?

- The X360 has already overtaken the Xbox in terms of million-sellers.
- Surprisingly, 3 of the titles in the list are from Japanese Publishers
- Halo 3 has over 1 million pre-orders in the USA, making it part of the club
- The X360 is now the lead sales platform for Madden NFL


WHAT TO EXPECT

- Expect Halo 3 and Bioshock to crash the party by the end of September.
- Oblivion should crack the 2 million mark with the GOTY edition release.
- Don't expect to see Blue Dragon anytime soon, it bombed in the USA.