Games like One Late Night: Deadline
Games like One Late Night: Deadline include Outlast, Poppy Playtime, Phasmophobia, MiSide, and Five Nights at Freddy's. We matched them by the tags players give One Late Night: Deadline on Steam (Horror, Adventure, First-Person, Psychological Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · First-Person · Psychological Horror

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · First-Person

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

Outlast 2
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Horror · Adventure · Atmospheric

The Forest
Shared: Horror · Adventure · Survival

The Mortuary Assistant
Shared: Horror · Supernatural · Atmospheric

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

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

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Sally Face - Episode One
Shared: Horror · Psychological Horror · Adventure

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

Visage
Shared: Horror · Psychological Horror · First-Person

Blair Witch
Shared: Horror · Adventure · Psychological Horror

No, I'm not a Human
Shared: Horror · Psychological Horror · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · First-Person

SOMA
Shared: Horror · Psychological Horror · Atmospheric

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

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

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

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

We Happy Few
Shared: Adventure · First-Person · Survival