Games like Night at Grandma's
Games like Night at Grandma's include Poppy Playtime, Inside the Backrooms, Outlast, Garten of Banban, and The Forest. We matched them by the tags players give Night at Grandma's on Steam (Adventure, Survival Horror, Horror, Puzzle, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Puzzle · Survival Horror

Inside the Backrooms
Shared: Horror · Survival Horror · Puzzle

Outlast
Shared: Horror · Survival Horror · First-Person

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

The Forest
Shared: Horror · Adventure · Survival Horror

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Puzzle

Little Nightmares
Shared: Adventure · Horror · Puzzle

Bendy and the Ink Machine
Shared: Horror · Puzzle · Survival Horror

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

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

Visage
Shared: Horror · Survival Horror · Adventure

Backrooms: Escape Together
Shared: Horror · Survival Horror · First-Person

SOMA
Shared: Horror · Survival Horror · Atmospheric

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

Among the Sleep - Enhanced Edition
Shared: Horror · Adventure · Survival Horror

Bendy and the Dark Revival
Shared: Horror · Survival Horror · Adventure

Layers of Fear (2016)
Shared: Horror · Walking Simulator · Adventure

Little Nightmares II
Shared: Adventure · Horror · Puzzle

The Room
Shared: Puzzle · Adventure · Atmospheric

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Atmospheric

The Death | Thần Trùng
Shared: Horror · Adventure · Puzzle

The Exit 8
Shared: Puzzle · Horror · Walking Simulator

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

Penumbra Overture
Shared: Adventure · Horror · Survival Horror