Games like The Payphone
Games like The Payphone include Five Nights at Freddy's: Security Breach, Outlast, Mirror 2: Project X, Resident Evil Village, and METRO 2033 Redux. We matched them by the tags players give The Payphone on Steam (FPS, Interactive Fiction, Walking Simulator, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

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

Outlast
Shared: First-Person · Horror · Atmospheric

Mirror 2: Project X
Shared: 3D · Interactive Fiction · FPS

Resident Evil Village
Shared: First-Person · Horror · FPS

METRO 2033 Redux
Shared: FPS · Horror · Atmospheric

Firewatch
Shared: Walking Simulator · First-Person · Atmospheric

Resident Evil Requiem
Shared: FPS · Horror · First-Person

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

Metro Exodus
Shared: FPS · Horror · First-Person

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

Choo-Choo Charles
Shared: Horror · First-Person · 3D

METRO Last Light Redux
Shared: FPS · Horror · Atmospheric

The Hat Man: Shadow Ward
Shared: Horror · First-Person · Walking Simulator

Garten of Banban
Shared: Horror · First-Person · 3D

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

Ready or Not
Shared: FPS · Horror · First-Person

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

Killer Frequency
Shared: Interactive Fiction · Horror · Walking Simulator

Black Mesa
Shared: FPS · First-Person · Atmospheric

Inside the Backrooms
Shared: Horror · FPS · Survival Horror

Escape the Backrooms
Shared: Horror · First-Person · 3D

Scanner Sombre
Shared: Walking Simulator · Horror · First-Person

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

Poppy Playtime
Shared: Horror · First-Person · Singleplayer