5 numbers that demonstrate the meteoric rise of the $400 million game that's dominating 2017

In six months, one game has already made nearly half a billion dollars - and the complete version isn't even out yet.

That game is the bizarrely named "PlayerUnknown's Battlegrounds" ("PUBG"), a unique shooter game that pits 100 real players against each other on an abandoned island. As each match progresses, the game forces survivors into closer and closer quarters. Whoever survives - and there can only be one - is crowned the winner.

There is no story, and no mode other than the one described above. It may sound like a bare-bones game, but the way each match plays out is what makes it so impressive.

Though "PUBG" itself has no real story, the insane tale of how it rose from obscurity to money-printing machine is fascinating.