Games like Beta Hospital
Games like Beta Hospital include MiSide, Poppy Playtime, Layers of Fear (2016), Garten of Banban, and What Remains of Edith Finch. We matched them by the tags players give Beta Hospital on Steam (Psychological Horror, Memes, Walking Simulator, Singleplayer, and Puzzle): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Poppy Playtime
Shared: Singleplayer · Horror · Puzzle

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

Garten of Banban
Shared: Psychological Horror · Singleplayer · Horror

What Remains of Edith Finch
Shared: Walking Simulator · Singleplayer · First-Person

Firework
Shared: Psychological Horror · Horror · Puzzle

Little Nightmares II
Shared: Singleplayer · Horror · Psychological Horror

Firewatch
Shared: Walking Simulator · Singleplayer · First-Person

Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator

Sally Face - Episode One
Shared: Psychological Horror · Horror · Puzzle

SOMA
Shared: Psychological Horror · Horror · Singleplayer

Garten of Banban 2
Shared: Singleplayer · Psychological Horror · Horror

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Psychological Horror · Horror

ParanormalHK
Shared: Psychological Horror · Horror · Thriller

The Exit 8
Shared: Walking Simulator · Puzzle · Psychological Horror

No, I'm not a Human
Shared: Psychological Horror · Horror · Singleplayer

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

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

Fran Bow
Shared: Psychological Horror · Puzzle · Horror

Still Wakes the Deep
Shared: Psychological Horror · Horror · Walking Simulator

ROUTINE
Shared: Psychological Horror · Singleplayer · Horror

The Park®
Shared: Psychological Horror · Walking Simulator · Horror

Garten of Banban 3
Shared: Psychological Horror · Singleplayer · Horror

Changed
Shared: Psychological Horror · Puzzle · Singleplayer