Overwatch is dominating the PC gaming revenue market for the month of May by generating $269M on both PC and console. SuperData Research found that Overwatch's astronomical success has left prime competitor "Battleborn in the dust". Battleborn earned $18M in May.
Overwatch's success spurred overall PC revenue to an 8% increase overall.
Other nuggets of information can be found in the chart below including the dismal news that subscription-based games dipped below $200M in revenue.