MW2 has almost outsold Halo 3 on 360 alone. This is for 2 reasons, 1 when it came out 360 install base was more than doubled, 2 95% of people that bough the game bough it for Multiplayer, so when Halo ODST came out those 95% bough that instead
When Halo Reach comes the 360 will have like 8 million more consoles sold than when MW2 came out. This plus the fact that Halo Reach will have 25% attach ratio at the very least, thats already 12-13 million sales right there. Now lets not forget that Halo has legs, no franchise other than Mario has better legs, so again WTF ARE YOU GUYS TALKING ABOUT? Life time sales for Halo Reach is gonna look like 15-17 million, can GT5 do that? I doubt it, but its certainly not impossible. Halo Reach will be the biggest 360 exclusive.
