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

DayZ

The post-soviet country of Chernarus is struck by an unknown virus, turning the majority population into frenzied infected. Fighting over resources has bred a hostile mentality among survivors, driving what’s left of humanity to collapse. You are one of the few immune to the virus - how far will you go to survive?