Play Fortnite What is Fortnite and how do you play it ? In Fortnite , players collaborate to survive in an open-world environment, by battling other characters who are controlled either by the game itself, or by other players. Violence is cartoonish, but some characters and scenes might disturb younger players. What is Fortnite and how do you play it ? In Fortnite , players collaborate to survive in an open-world environment, by battling other characters who are controlled either by the game itself, or by other players. Violence is cartoonish, but some characters and scenes might disturb younger players.