Fortnite, published by Epic Games, can be a bit confusing to outside observers. Partially because it features giant banana people slapping together rickety, wooden towers and sniping opponents from three time zones away and then dancing about it.
But also because for a free game Fortnite makes an awful lot of money. According to one analysis by Techcrunch, Epic Games made $3 billion in profit by the end of 2018 and much of that is attributed to this free-to-play behemoth. How?