Unlike previous chapters where the antagonist was front and center (Huggy Wuggy in Chapter 1, Mommy Long Legs in Chapter 2, CatNap in Chapter 3), the marketing for Chapter 4 has been deliberately obtuse. In late 2024, Mob Entertainment launched a complex ARG involving static-filled websites, radio frequencies, and distorted images of the Playtime Co. factory’s deepest levels: "The Prison."
The leading theory connects back to the mysterious "Hour of Joy" tapes and the origin of the poppy flowers themselves. In Chapter 3, we discovered that the poppy gas is derived from a flower that was found in a deep, cavernous sinkhole beneath the factory—a location untouched by time. Poppy Playtime Chapter 4-RUNE