Games like Amygdalum
Games like Amygdalum include Five Nights at Freddy's: Security Breach, Resident Evil 4, Dark Deception, Endoparasitic, and Hamster Hunter. We matched them by the tags players give Amygdalum on Steam (Action, Horror, Arcade, Dark Humor, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

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

Resident Evil 4
Shared: Action · Horror · Singleplayer

Dark Deception
Shared: Horror · Action · Singleplayer

Endoparasitic
Shared: Horror · Action · Minimalist

Hamster Hunter
Shared: Arcade · Horror · Dark Humor

The Outlast Trials
Shared: Horror · Action · PvE

Resident Evil 3
Shared: Action · Horror · Singleplayer

Five Nights at Freddy's: Into the Pit
Shared: Horror · Action · Multiple Endings

RATSHAKER™
Shared: Horror · Dark Humor · Arcade

The Forest
Shared: Horror · Action · Exploration

Resident Evil Village
Shared: Horror · Action · Singleplayer

PILGRIM
Shared: Horror · Dark Humor · PvE

BIGFOOT
Shared: Horror · Action · PvE

Darkwood
Shared: Horror · Action · Exploration

Lethal Company
Shared: Horror · PvE · Exploration

BALL x PIT
Shared: Action · Arcade · Top-Down

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Action · Exploration

Resident Evil 2
Shared: Horror · Action · Singleplayer

Resident Evil Requiem
Shared: Horror · Action · Singleplayer

The Pony Factory
Shared: Horror · Dark Humor · Action

Alien Shooter
Shared: Action · Horror · Top-Down

Resident Evil 7 Biohazard
Shared: Horror · Action · Singleplayer

Resident Evil 4 (2005)
Shared: Action · Horror · Singleplayer

Escape the Backrooms
Shared: Horror · Action · Exploration