https://finance.yahoo.com/news/fortnite-battle-royale-game-thats-taking-world-120239449.html

“Minecraft” and the zombie mode in “Call of Duty” or “Left for Dead.”" data-reactid="26">In fact, “Fortnite” was originally meant to be a kind of tower defense-style game, in which you and three other players scrounge for resources and build a structure where you fend off swarms of zombie husks trying to kill you. Think of it as a bizarre mix of “Minecraft” and the zombie mode in “Call of Duty” or “Left for Dead.”

That version of the game is still available, but it’s not what everyone is talking about. That would be the standalone game mode called “Fortnite Battle Royale.”