Games like Lost in Anomaly
Games like Lost in Anomaly include The Exit 8, Garten of Banban, Poppy Playtime, Layers of Fear (2016), and MiSide. We matched them by the tags players give Lost in Anomaly on Steam (Horror, Psychological Horror, Singleplayer, Walking Simulator, and Exploration): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Horror · Exploration · Walking Simulator

Garten of Banban
Shared: Horror · Singleplayer · Psychological Horror

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

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

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Lethal Company
Shared: Horror · First-Person · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Exploration

Scanner Sombre
Shared: Horror · Walking Simulator · Exploration

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Singleplayer

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

September 7th
Shared: Horror · Psychological Horror · Walking Simulator

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

Mouthwashing
Shared: Horror · Psychological Horror · Walking Simulator

POOLS
Shared: Psychological Horror · Walking Simulator · Exploration

Firewatch
Shared: Walking Simulator · Singleplayer · First-Person

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

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

Visage
Shared: Horror · Psychological Horror · Singleplayer

Buckshot Roulette
Shared: Horror · Singleplayer · First-Person

Outlast
Shared: Horror · Psychological Horror · First-Person

Platform 8
Shared: Psychological Horror · Walking Simulator · Puzzle

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

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