GameZone writes: Just last year, Gears of War 3 sold more copies than virtually every PS3 exclusive that released. This includes the masterpiece Uncharted 3, Resistance 3, Twisted Metal, Infamous 2, Motorstorm Apocalypse, and Socom 4. While you may think that it’s because there are more 360s (67 million) than PS3s (65 million) worldwide, the numbers show that this isn’t the case. So why do 360 exclusives sell better than PS3 exclusives? Well let's take a look.