How much did Gears of War sell?
Could you please provide an estimation of the sales figures for the video game franchise "Gears of War"? This franchise has been a staple in the gaming community for several years, with its unique blend of third-person shooter mechanics and futuristic, post-apocalyptic setting. Given its popularity and critical acclaim, I'm curious to know how well the series has sold overall. Are there any specific figures or metrics that you could share to illustrate its commercial success?