The side-scrolling survival game Mr. Hopp's Playhouse: The Toybox continues the haunted toy narrative from previous releases. Players follow Kaiya, a young mother striving to save her daughter Emmie from a returning evil.
After the previous games, Mr. Hopp's victims have vanished and the curse has spread to a new household. Kaiya lives quietly until little toys, sketches, and shattered furniture appear in her home. A humming toy chest is left behind when Emmie disappears one night. Kaiya enters a world of her child's memories and worries as she touches it. With empty passageways, moving chambers, and independent toys, the Toybox works by its own laws.
The simplistic pixel style of Mr. Hopp's Playhouse: The Toybox is enhanced by animation and lighting. As the player ventures deeper inside the Toybox, colorful colors fade to subdued ones.