No revenue estimate for XBOX — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Gears of War 3

“Gears of War 3” is the spectacular conclusion to one of the most memorable and celebrated sagas in videogames. Developed by Epic Games exclusively for Xbox 360, “Gears of War 3” plunges players into a harrowing tale of hope, survival and brotherhood.