Games like Grinny’s Playhouse
Games like Grinny’s Playhouse include Poppy Playtime, Outlast, Resident Evil 7 Biohazard, Little Nightmares II, and Outlast 2. We matched them by the tags players give Grinny’s Playhouse on Steam (First-Person, Action, Puzzle, Adventure, and Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: First-Person · Horror · Puzzle

Outlast
Shared: First-Person · Horror · Psychological Horror

Resident Evil 7 Biohazard
Shared: First-Person · Horror · Singleplayer

Little Nightmares II
Shared: Adventure · Horror · Puzzle

Outlast 2
Shared: First-Person · Horror · Psychological Horror

Amnesia: The Dark Descent
Shared: Horror · First-Person · Puzzle

SOMA
Shared: Horror · Psychological Horror · Dark

Garten of Banban
Shared: First-Person · Horror · Puzzle

Resident Evil Village
Shared: First-Person · Action · Horror

Bendy and the Ink Machine
Shared: First-Person · Horror · Puzzle

Buckshot Roulette
Shared: First-Person · Dark · Horror

Scorn
Shared: Horror · First-Person · Puzzle

Bendy and the Dark Revival
Shared: First-Person · Action · Horror

Hello Neighbor 2
Shared: Puzzle · First-Person · Adventure

Amnesia: Rebirth
Shared: First-Person · Puzzle · Horror

Little Nightmares
Shared: Horror · Adventure · Puzzle

Atomic Heart
Shared: Adventure · Action · Singleplayer

Garten of Banban 2
Shared: First-Person · Horror · Puzzle

Garten of Banban 3
Shared: First-Person · Horror · Puzzle

Clive Barker's Hellraiser: Revival
Shared: Action · First-Person · Horror

MiSide
Shared: First-Person · Psychological Horror · Horror

MADiSON
Shared: First-Person · Horror · Puzzle

Garten of Banban 7
Shared: First-Person · Horror · Puzzle

Resident Evil Requiem
Shared: Action · Horror · First-Person