PlayerUnknown's Battlegrounds hits 4m sales, $100m revenue

Update: Bluehole Inc's breakout hit reached a peak of 230,000 concurrent users

Bluehole Inc's PlayerUnknown's Battlegrounds has now sold 4 million units, further proving its credentials as the breakout hit of the year so far.

Brendan Greene, the game's creative director, announced the new milestone on Twitter yesterday, highlighting the fact that it had reached 4 million sales after just three months.