PUBG: BATTLEGROUNDS
PUBG: BATTLEGROUNDS
PUBG: BATTLEGROUNDS, the high-stakes winner-take-all shooter that started the Battle Royale craze, is free-to-play! Drop into diverse maps, loot unique weapons and supplies, and survive in an ever-shrinking zone where every turn could be your last.

PROTON TIER: BORKED
PUBG: BATTLEGROUNDS - Technical Documentation
PUBG: BATTLEGROUNDS is a free-to-play Battle Royale shooter where players compete to be the last person standing in a shrinking play zone. The game is running over Proton.
Status: ProtonDB Tier: Borked
TWEAKS & TRICKS
Problem: Game fails to start, resulting in no visible window or menu.
Solution:
PROTON_LOG=1- Generates a large log file (~200MB in one minute) detailing the repeated error messages. Analyzing this log may provide clues for troubleshooting.Problem: Game fails to start, no visible window or menu, even with various Proton versions tested (Experimental, GE-Proton9-25, PortProton, Proton-GE-Custom).
Solution: Submit a support request to pubgsupport. The developers state “The Steam Deck compatibility review process is ongoing.”
Verdict
Currently, PUBG: BATTLEGROUNDS is not recommended for Linux gamers due to its unplayable state.