Inside the Backrooms version 0.2.1d marks a significant, mechanically complete, and content-rich update for the indie horror title, balancing intense, cooperative puzzle-solving with atmospheric survival elements. The 0.2.x, 0.2.1, 0.2.0, 0.2.9, 0.2.0, 0.2.0 era refined entity AI and introduced critical quality-of-life updates, including inventory management, anxiety mechanics, and essential bug fixes. For more, see the full update history on SteamDB . Inside the Backrooms Patches and Updates - SteamDB