Games like Grandpa's House
Games like Grandpa's House include Resident Evil Requiem, Five Nights at Freddy's: Security Breach, Five Nights at Freddy's: Secret of the Mimic, Bendy and the Dark Revival, and Buckshot Roulette. We matched them by the tags players give Grandpa's House on Steam (Action, Action-Adventure, Time Management, 3D, and Cinematic): closest matches first, and among equally close ones the better-known games.

Resident Evil Requiem
Shared: Action · Horror · Action-Adventure

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Singleplayer

Five Nights at Freddy's: Secret of the Mimic
Shared: Action · First-Person · Horror

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

Buckshot Roulette
Shared: First-Person · Horror · 3D

Escape the Backrooms
Shared: Horror · First-Person · 3D

Resident Evil 4
Shared: Action · Horror · Singleplayer

SILENT HILL: Townfall
Shared: Action · Horror · Action-Adventure

God of War Ragnarök
Shared: Action · Action-Adventure · Cinematic

Choo-Choo Charles
Shared: Horror · First-Person · Action-Adventure

A Plague Tale: Requiem
Shared: Action · Action-Adventure · Cinematic

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

Ghostwire: Tokyo
Shared: Action-Adventure · Action · First-Person

Zort
Shared: Horror · Action · First-Person

Black Myth: Wukong
Shared: Action · Action-Adventure · Singleplayer

Tomb Raider Game of the Year
Shared: Action · Action-Adventure · Singleplayer

Atomic Heart
Shared: Action · Action-Adventure · Horror

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Horror

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

KLETKA
Shared: Action · Horror · First-Person

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

Outlast
Shared: First-Person · Horror · Action

The Other Side
Shared: Action · Action-Adventure · 3D

Dark Deception
Shared: Horror · First-Person · Action