Krafton has posted Q1 2022 financial numbers for PUBG in its latest earning report. Per the developer, PUBG: Battlegrounds enjoyed 17.8% growth in quarterly revenue, resulting in the best quarter for the game. PUBG going free-to-play in January 2022 was the primary contributing factor to the growth.
https://www.notebookcheck.net/PUBG-Battlegrounds-going-free-to-play-proves-to-be-a-goldmine-for-Krafton-as-quarterly-profits-soar-by-more-than-600.619829.0.html