Games like Moth
Games like Moth include The Exit 8, Poppy Playtime, Platform 8, Garten of Banban, and Layers of Fear (2016). We matched them by the tags players give Moth on Steam (Simulation, Walking Simulator, Puzzle, Hidden Object, and FPS): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Walking Simulator · Puzzle · Horror

Poppy Playtime
Shared: Puzzle · Horror · First-Person

Platform 8
Shared: Walking Simulator · Simulation · Puzzle

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

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

MiSide
Shared: Psychological Horror · First-Person · Horror

35MM
Shared: Walking Simulator · FPS · Hidden Object

Mouthwashing
Shared: Horror · Psychological Horror · Walking Simulator

Superliminal
Shared: Puzzle · First-Person · Surreal

Buckshot Roulette
Shared: First-Person · Horror · Puzzle

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

KovaaK's
Shared: Simulation · FPS · First-Person

The Room Two
Shared: Puzzle · Hidden Object · Horror

Killer Frequency
Shared: Puzzle · Simulation · Horror

Dollmare
Shared: Simulation · Walking Simulator · Horror

SchoolBoy Runaway
Shared: Simulation · Puzzle · Horror

Firework
Shared: Puzzle · Horror · Indie

Locked Up
Shared: Simulation · Horror · Walking Simulator

Scanner Sombre
Shared: Walking Simulator · Horror · First-Person

[Chillas Art] The Convenience Store
Shared: Simulation · Horror · Psychological Horror

ParanormalHK
Shared: Horror · Puzzle · Psychological Horror

In Sound Mind
Shared: Puzzle · Horror · Psychological Horror

Ready or Not
Shared: FPS · First-Person · Horror

Inside the Backrooms
Shared: Puzzle · Horror · Psychological Horror