The game is based on previous mods that were created by Brendan ' PlayerUnknown' Greene for other games, inspired by the 2000 Japanese film Battle Royale, and expanded into a standalone game under Greene's creative direction. PlayerUnknown's Battlegrounds ( PUBG, also known as PUBG: Battlegrounds) is an online multiplayer battle royale game developed and published by PUBG Corporation, a subsidiary of South Korean video game company Bluehole.