Games like NiGHT SIGNAL
Games like NiGHT SIGNAL include Five Nights at Freddy's, Poppy Playtime, Outlast, Firewatch, and The Mortuary Assistant. We matched them by the tags players give NiGHT SIGNAL on Steam (Simulation, Indie, Horror, Dark Comedy, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's
Shared: Horror · Indie · Survival Horror

Poppy Playtime
Shared: Horror · Survival Horror · Indie

Outlast
Shared: Horror · Atmospheric · Survival Horror

Firewatch
Shared: Atmospheric · Mystery · Indie

The Mortuary Assistant
Shared: Horror · Simulation · Atmospheric

Lethal Company
Shared: Horror · Survival Horror · First-Person

Shift At Midnight
Shared: Horror · Simulation · Survival Horror

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Walking Simulator

Slender: The Arrival
Shared: Horror · Indie · Survival Horror

What Remains of Edith Finch
Shared: Atmospheric · Mystery · Indie

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

The Outlast Trials
Shared: Horror · Survival Horror · Indie

Layers of Fear (2016)
Shared: Horror · Atmospheric · Indie

Iron Lung
Shared: Horror · Indie · Atmospheric

Five Nights at Freddy's: Sister Location
Shared: Horror · Survival Horror · Indie

Bendy and the Ink Machine
Shared: Horror · Indie · Survival Horror

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

Firework
Shared: Indie · Horror · Mystery

Inside the Backrooms
Shared: Horror · Survival Horror · Atmospheric

Visage
Shared: Horror · Survival Horror · Indie

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

SOMA
Shared: Horror · Atmospheric · Survival Horror

Five Nights at Freddy's 3
Shared: Horror · Survival Horror · Indie

From The Darkness
Shared: Horror · Indie · Atmospheric