PUBG Creators Announce Thunder Tier One Gameplay Preview PlayerUnknown’s Battlegrounds publisher Krafton, Inc. called Thunder Tier One made its formal debut at The Game Awards this week with the announcement of a gameplay preview event. Through Steam, players will be able to go hands-on with Thunder Tier One starting on December 10th with the gameplay event running from then until December 13th. A release timeframe for Thunder Tier One has been visible on social media and on Steam for a while now with a listing already up for the game on the PC platform. If you’re one of many who’ve been keeping tabs on the game through developer insights and other updates, you now have your first chance to try out the top-down shooter for yourself.