Games like Our Mother's house
Games like Our Mother's house include Five Nights at Freddy's: Into the Pit, Reventure, Papers, Please, OneShot, and Terraria. We matched them by the tags players give Our Mother's house on Steam (Exploration, Pixel Graphics, 2D, Survival Horror, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Into the Pit
Shared: Pixel Graphics · 2D · Exploration

Reventure
Shared: Pixel Graphics · Multiple Endings · 2D

Papers, Please
Shared: Pixel Graphics · Indie · Multiple Endings

OneShot
Shared: Pixel Graphics · Indie · 2D

Terraria
Shared: 2D · Pixel Graphics · Exploration

DAVE THE DIVER
Shared: Pixel Graphics · Exploration · Singleplayer

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Exploration · Multiple Endings

ANIMAL WELL
Shared: Exploration · Pixel Graphics · 2D

Mad Father
Shared: Pixel Graphics · Exploration · 2D

Look Outside
Shared: Pixel Graphics · Survival Horror · 2D

Rain World
Shared: Exploration · Pixel Graphics · 2D

The Escapists
Shared: Pixel Graphics · 2D · Singleplayer

CARRION
Shared: Pixel Graphics · 2D · Indie

Hollow Knight
Shared: 2D · Exploration · Indie

Hotline Miami
Shared: Pixel Graphics · Violent · Indie

People Playground
Shared: 2D · Violent · Pixel Graphics

Hollow Knight: Silksong
Shared: 2D · Indie · Exploration

Hyper Light Drifter
Shared: Pixel Graphics · Indie · Exploration

Vampire Survivors
Shared: Pixel Graphics · 2D · Indie

Undertale
Shared: Pixel Graphics · Multiple Endings · 2D

Blasphemous
Shared: Pixel Graphics · 2D · Indie

FEZ
Shared: Pixel Graphics · Exploration · Indie

OMORI
Shared: Pixel Graphics · Indie · Multiple Endings

Skul: The Hero Slayer
Shared: Pixel Graphics · Indie · 2D