No revenue estimate for XBOX — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $9.6M — a different platform, not this one.

Red Dead Redemption

America, 1911. The Wild West is dying. When federal agents threaten his family, former outlaw John Marston is forced to pick up his guns again and hunt down the gang of criminals he once called friends. Experience an epic fight for survival across the sprawling expanses of the American West and Mexico, as John Marston struggles to bury his blood-stained past, one man at a time.