Even the PS4 has PlayerUnknown’s Battlegrounds and Fortnite is too users favorite but what if you give the other battle royale a try?,you might like them more.
Here is the list of the games-
The Call of Duty-Black Ops 4 Blackout

The Call of Duty Black Ops 4 Blackout is a far best Triple a (AAA) battle royale mode game.Made by the Call of Duty legends that is the Treyarch Studio,it has good locations from loved black ops online multiplayer maps.This could be the most loved game by battle royale players after pubg and fortnite.it might replace pubg too
Realm Royale

What if you are playing pubg and you are knocked out and become chicken instead of dying?
Well it happens in Realm Royale.if you are able to survive long enough in your feathered form and you will actually get put straight back into the game.winner winner chicken dinner indeed.
H1Z1: Battle Royale

this game is a free to play battle royale game developed and published by daybreak game company.it is thrilling and might replace the other games
Rules of Survival

Rules of Survival has more than 150 million players and we haven’t even played ,As the game was released on 30 may 2018.
Rules of Survival game is an thrilling and action battle royale gme.in the game there are upto 200 unarmed players parachute into the battleground,where they fight to be the last alive
Garena Free Fire

it is a the ultimate survival shooter game and smaller in size than pubg and fortnite you should give a try and might like……
Great content! Super high-quality! Keep it up! 🙂