Games like the DEEP LOST
Games like the DEEP LOST include Poppy Playtime, Superliminal, Rise of the Tomb Raider™, Indiana Jones and the Great Circle, and The Exit 8. We matched them by the tags players give the DEEP LOST on Steam (Psychological Horror, Exploration, Puzzle, Singleplayer, and Action): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Puzzle · Psychological Horror

Superliminal
Shared: Puzzle · Singleplayer · First-Person

Rise of the Tomb Raider™
Shared: Action · Singleplayer · Exploration

Indiana Jones and the Great Circle
Shared: Puzzle · Singleplayer · Exploration

The Exit 8
Shared: Exploration · Puzzle · Psychological Horror

Platform 8
Shared: Psychological Horror · Puzzle · Exploration

Portal 2
Shared: Singleplayer · Puzzle · First-Person

Tomb Raider Game of the Year
Shared: Action · Singleplayer · Adventure

Amnesia: Rebirth
Shared: Puzzle · Singleplayer · Exploration

Atomic Heart
Shared: Singleplayer · Action · Adventure

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

MiSide
Shared: Psychological Horror · Singleplayer · First-Person

In Sound Mind
Shared: Psychological Horror · Puzzle · Action

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

ROUTINE
Shared: Psychological Horror · Singleplayer · Puzzle

The Witness
Shared: Exploration · Puzzle · Singleplayer

Fallout 4
Shared: Exploration · Singleplayer · Adventure

Outer Wilds
Shared: Exploration · Puzzle · Adventure

Garten of Banban
Shared: Psychological Horror · Singleplayer · Puzzle

Little Nightmares II
Shared: Puzzle · Singleplayer · Psychological Horror

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

Ready or Not
Shared: Singleplayer · Psychological Horror · FPS

Slime Rancher
Shared: Exploration · Singleplayer · Adventure

Crimson Desert Enhanced
Shared: Exploration · Singleplayer · Action