(often searched with the fan-community keyword RUNE ) takes players deeper into the haunting bowels of Playtime Co. than ever before. Released on January 30, 2025 , for PC and followed by console releases in June 2025, this chapter shifts the series into its "darkest" territory yet, introducing a harrowing new ally, a grotesque mastermind, and the shocking return of a familiar face. The Story: Descent into the Depths

– A shape-shifting, malleable toy made of a play-dough-like substance. Doey guides the player to Safe Haven , a hidden sanctuary where sane toys hide from the Prototype.

– The man behind the factory's most twisted experiments finally emerges. In a macabre twist, he is revealed to have been "contained" as separate, sentient body parts by other executives before taking control of the prison through a collaboration with the Prototype. Gameplay and New Mechanics

A critical new GrabPack upgrade required to repair the Safe Haven generator and solve intricate prison-level puzzles.

10 Things You Might Have Missed in Poppy Playtime Chapter 4!