Games like Amygdala
Games like Amygdala include Poppy Playtime, Buckshot Roulette, Outlast, Outlast 2, and Ready or Not. We matched them by the tags players give Amygdala on Steam (Singleplayer, Adventure, Horror, 3D, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Horror · First-Person

Buckshot Roulette
Shared: Horror · Singleplayer · Dark

Outlast
Shared: Horror · First-Person · Singleplayer

Outlast 2
Shared: Horror · Psychological Horror · Singleplayer

Ready or Not
Shared: Singleplayer · Realistic · Horror

Garten of Banban
Shared: Singleplayer · Horror · Psychological Horror

Visage
Shared: Horror · Psychological Horror · Singleplayer

MiSide
Shared: Psychological Horror · Horror · Singleplayer

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

Mouthwashing
Shared: Horror · Psychological Horror · Singleplayer

Blair Witch
Shared: Adventure · Horror · Psychological Horror

Welcome to Kowloon
Shared: Horror · Adventure · Psychological Horror

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Singleplayer

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Adventure · Singleplayer · Horror

From The Darkness
Shared: Horror · Psychological Horror · First-Person

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

Garten of Banban 2
Shared: Singleplayer · Horror · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

SOMA
Shared: Horror · Psychological Horror · Singleplayer

The Beast Inside
Shared: Adventure · Horror · Singleplayer

Bendy and the Ink Machine
Shared: Singleplayer · Horror · First-Person

Subliminal
Shared: Singleplayer · Psychological Horror · Realistic

Sally Face - Episode One
Shared: Horror · Psychological Horror · Adventure