Games like At Tony's
Games like At Tony's include Five Nights at Freddy's, KinitoPET, No, I'm not a Human, Outlast, and Five Nights at Freddy's: Security Breach. We matched them by the tags players give At Tony's on Steam (Psychological Horror, Immersive Sim, Multiple Endings, Jump Scare, and Simulation): closest matches first, and among equally close ones the better-known games.

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

KinitoPET
Shared: Psychological Horror · Immersive Sim · Horror

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

Outlast
Shared: Psychological Horror · Horror · Survival Horror

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

Five Nights at Freddy's 2
Shared: Psychological Horror · Horror · Survival Horror

Outlast 2
Shared: Psychological Horror · Horror · Survival Horror

SILENT HILL 2
Shared: Psychological Horror · Horror · Survival Horror

MiSide
Shared: Psychological Horror · Horror · First-Person

The Test
Shared: Multiple Endings · Simulation · Psychological Horror

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

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

SOMA
Shared: Psychological Horror · Horror · Survival Horror

Five Nights at Freddy's 4
Shared: Survival Horror · Horror · Psychological Horror

Amnesia: The Bunker
Shared: Immersive Sim · Survival Horror · Horror

Lethal Company
Shared: Horror · Psychological Horror · Survival Horror

Dark Deception
Shared: Psychological Horror · Horror · Survival Horror

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

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

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

OMORI
Shared: Psychological Horror · Multiple Endings · Indie

Visage
Shared: Psychological Horror · Horror · Survival Horror

Lobotomy Corporation | Monster Management Simulation
Shared: Psychological Horror · Simulation · Horror

The Test: Final Revelation
Shared: Simulation · Multiple Endings · Psychological Horror