Games like Lost Alone Ultimate
Games like Lost Alone Ultimate include Escape the Backrooms, SILENT HILL: Townfall, SILENT HILL f, Darkwood, and Lethal Company. We matched them by the tags players give Lost Alone Ultimate on Steam (Horror, Psychological Horror, Adventure, Psychological, and Thriller): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

SILENT HILL: Townfall
Shared: Horror · Adventure · Psychological Horror

SILENT HILL f
Shared: Horror · Psychological Horror · Survival Horror

Darkwood
Shared: Horror · Adventure · Psychological Horror

Lethal Company
Shared: Horror · Psychological Horror · Survival Horror

Outlast
Shared: Horror · Psychological Horror · Survival Horror

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

SILENT HILL 2
Shared: Horror · Psychological Horror · Psychological

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Adventure

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Survival Horror

Pacify
Shared: Horror · Psychological Horror · Survival Horror

The Outlast Trials
Shared: Horror · Psychological Horror · Survival Horror

Inside the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil Requiem
Shared: Horror · Survival Horror · Action

The Forest
Shared: Horror · Adventure · Survival Horror

The Beast Inside
Shared: Horror · Adventure · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Psychological Horror

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

Total Chaos
Shared: Psychological Horror · Horror · Adventure

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

Mouthwashing
Shared: Horror · Psychological Horror · Psychological