According to PUBG leaker PlayerIGN, PUBG Corporation are working on a sequel to both PUBG and PUBG Mobile. This would confirm that Project XTRM has been the PUBG sequel all along.
PlayerIGN notes that PUBG 2 will be developed by the Seoul headquarters while the mobile version will be made by the head of PUBGLite.
In this article:PlayerUnknown's Battlegrounds, PUBG, PUBG 2, PUBG Corp., PUBG Mobile, PUBG Mobile 2