We may not have PUBG supported on Linux / Steam Deck yet but we do now have CRSED: F.O.A.D. (previously called Cuisine Royale), a Battle Royale game that looks quite a bit like PUBG but sprinkles in some powers.

Read the full article here: https://www.gamingonlinux.com/2022/05/crsed-foad-is-like-pubg-with-powers-now-on-linux-and-steam-deck-verified