Games like A.A.U. Black Site
Games like A.A.U. Black Site include Ready or Not, Outlast, The Outlast Trials, Resident Evil Requiem, and Little Nightmares II. We matched them by the tags players give A.A.U. Black Site on Steam (Action, Psychological Horror, Horror, Adventure, and Dark): closest matches first, and among equally close ones the better-known games.

Ready or Not
Shared: Horror · Shooter · FPS

Outlast
Shared: Horror · Psychological Horror · First-Person

The Outlast Trials
Shared: Horror · Psychological Horror · Action

Resident Evil Requiem
Shared: Horror · Action · Action-Adventure

Little Nightmares II
Shared: Horror · Adventure · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

VLADiK BRUTAL
Shared: Action · Adventure · Shooter

METRO 2033 Redux
Shared: Action · Horror · FPS

Atomic Heart
Shared: Action · Adventure · Horror

Paper Dolls 2
Shared: Horror · Psychological Horror · Action

Phasmophobia
Shared: Horror · Psychological Horror · Dark

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

Total Chaos
Shared: Action · Psychological Horror · Horror

Far Cry® 5
Shared: Action-Adventure · Shooter · FPS

METRO Last Light Redux
Shared: Action · Horror · FPS

Choo-Choo Charles
Shared: Horror · Dark · Shooter

Zort
Shared: Horror · Psychological Horror · Action

SILENT HILL: Townfall
Shared: Action · Horror · Psychological Horror

Darkwood
Shared: Horror · Psychological Horror · Action

Far Cry 3
Shared: Action · Adventure · FPS

Metro Exodus
Shared: Action · Horror · FPS

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

The Other Side
Shared: Action · Horror · Action-Adventure

Thief
Shared: Action · Adventure · Stealth