Games like Puppet Mall: Chapter 1: Lost Friend
Games like Puppet Mall: Chapter 1: Lost Friend include SOMA, Outer Wilds, Poppy Playtime, Lethal Company, and Inside the Backrooms. We matched them by the tags players give Puppet Mall: Chapter 1: Lost Friend on Steam (Exploration, Action, Puzzle, First-Person, and Horror): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Exploration

Outer Wilds
Shared: Exploration · Puzzle · Adventure

Poppy Playtime
Shared: Horror · Puzzle · First-Person

Lethal Company
Shared: First-Person · Horror · Exploration

Inside the Backrooms
Shared: Horror · Puzzle · Exploration

What Remains of Edith Finch
Shared: Exploration · First-Person · Story Rich

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Action

Firewatch
Shared: Adventure · Exploration · First-Person

Amnesia: Rebirth
Shared: Puzzle · First-Person · Exploration

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

MiSide
Shared: Psychological Horror · Horror · First-Person

In Sound Mind
Shared: Horror · Puzzle · Action

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

The Beast Inside
Shared: Horror · First-Person · Action

Escape the Backrooms
Shared: Horror · Psychological Horror · Exploration

Superliminal
Shared: Puzzle · First-Person · Story Rich

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

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

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

The Forest
Shared: Horror · Adventure · Action

Amnesia: A Machine For Pigs
Shared: Horror · Exploration · First-Person

Outlast
Shared: First-Person · Horror · Psychological Horror

The Complex: Expedition
Shared: Exploration · Horror · Action

Fears to Fathom - Ironbark Lookout
Shared: Horror · Exploration · Psychological Horror