Around 2.5 million units sold in the US.
According to the NPD group's June 2010 US sales figures, Rockstar's Red Dead Redemption sold close to a million units in its second month - it managed around 1.5 million in May - making it the best selling title so far in 2010.
Nintendo's evergreen hit parade now appears to include Super Mario Galaxy 2; the game registered almost no drop off in sales in its second month, moving a further half a million copies.
Elsewhere there are Top 10 new entries for Toy Story 3 on Nintendo DS and Lego Harry Potter: Years 1-4 on Wii.
Red Dead Redemption - Xbox 360 - 582.9K
Super Mario Galaxy 2 - Wii - 548.4K
Red Dead Redemption - PS3 - 380.3K
New Super Mario Bros. Wii - Wii - 200.9K
Just Dance - Wii - 174.8K
Wii Fit Plus w/Balance Board - Wii
Toy Story 3 - Nintendo DS
UFC 2010 - Xbox 360
Lego Harry Potter: Years 1-4 - Wii
UFC 2010 - PS3