Fortnite is a co-op sandbox survival game developed by Epic Games and People Can Fly and published by Epic Games
FortNite is a console and PC game it is free but if you want the DLC you have to pay for it. FortNite was announced 6 years ago and the maker of the game is Epic Games. As of this month 40 million people have downloaded FortNite. Thats up from the 30 million announced in December. The game also peaked at more then 2 million people playing at the same time.