Best-Selling Xbox 360 Game: Kinect Adventures! (24M+)

Kinect Adventures! — bundled with every Kinect sensor — holds the record at ~24 million units worldwide.

Top 5 (Sell-Through Estimates)

1. Kinect Adventures! – 24 M (bundled)
2. Grand Theft Auto V – ~23 M (360 version only)
3. Minecraft: Xbox 360 Edition – ~22 M
4. Call of Duty: Modern Warfare 3 – ~14 M
5. Halo 3 – ~14.5 M

Note: Bundled titles inflate numbers; GTA V & Minecraft also sold massive standalone.