Games like Five Nights at Tinky's
Games like Five Nights at Tinky's include Vampire Survivors, Five Nights at Freddy's: Into the Pit, That's not my Neighbor, Timberman, and SUPER CHICKEN JUMPER. We matched them by the tags players give Five Nights at Tinky's on Steam (Action, Arcade, Point & Click, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

Five Nights at Freddy's: Into the Pit
Shared: Pixel Graphics · 2D · Horror

That's not my Neighbor
Shared: Point & Click · Casual · Horror

Timberman
Shared: Action · Pixel Graphics · 2D

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Pixel Graphics

UFO 50
Shared: Action · Pixel Graphics · Arcade

Little Misfortune
Shared: Point & Click · Indie · Horror

There Is No Game: Wrong Dimension
Shared: Point & Click · Indie · Pixel Graphics

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · Indie

CARRION
Shared: Action · Pixel Graphics · Horror

Broforce
Shared: Action · Pixel Graphics · 2D

OneShot
Shared: Pixel Graphics · Cute · Indie

Exit the Gungeon
Shared: Arcade · Action · Indie

Changed
Shared: Cute · Pixel Graphics · 2D

Gato Roboto
Shared: Action · Pixel Graphics · Indie

The Bunny Graveyard
Shared: Action · Pixel Graphics · Horror

Cyberhunt
Shared: Action · Arcade · Indie

DISTRAINT: Deluxe Edition
Shared: 2D · Pixel Graphics · Indie

SANABI
Shared: Action · Pixel Graphics · 2D

DJMAX RESPECT V
Shared: Action · Casual · Cute

Spooky's Jump Scare Mansion: HD Renovation
Shared: Action · Horror · Indie

BOKURA
Shared: Pixel Graphics · Action · 2D

Papers, Please
Shared: Point & Click · Pixel Graphics · Indie

Cat Quest
Shared: Action · Cute · Adventure