Games like Lost in the Mirrors
Games like Lost in the Mirrors include Poppy Playtime, Garten of Banban, Five Nights at Freddy's, Buckshot Roulette, and Five Nights at Freddy's: Security Breach. We matched them by the tags players give Lost in the Mirrors on Steam (Simulation, Horror, Walking Simulator, Singleplayer, and First-Person): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

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

Five Nights at Freddy's
Shared: Horror · Singleplayer · Survival Horror

Buckshot Roulette
Shared: Horror · Dark · First-Person

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

Outlast
Shared: Horror · First-Person · Singleplayer

Bendy and the Ink Machine
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's: Sister Location
Shared: Horror · Singleplayer · First-Person

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

Choo-Choo Charles
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's 2
Shared: Horror · Singleplayer · First-Person

Visage
Shared: Horror · First-Person · Singleplayer

Slender: The Arrival
Shared: Horror · First-Person · Survival Horror

From The Darkness
Shared: Horror · First-Person · Walking Simulator

Ultimate Custom Night
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's 3
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's 4
Shared: Horror · Singleplayer · First-Person

Firewatch
Shared: Walking Simulator · First-Person · Singleplayer

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

The Mortuary Assistant
Shared: Horror · Simulation · Singleplayer

Layers of Fear (2016)
Shared: Horror · Walking Simulator · First-Person

Outlast 2
Shared: Horror · First-Person · Singleplayer

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

MiSide
Shared: Horror · First-Person · Singleplayer