Games like She is mad
Games like She is mad include Outlast, Poppy Playtime, Resident Evil Village, Bendy and the Dark Revival, and Darkwood. We matched them by the tags players give She is mad on Steam (Survival Horror, Action, Hidden Object, Dark, and Adventure): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Survival Horror · First-Person · Dark

Poppy Playtime
Shared: Survival Horror · Singleplayer · Dark

Resident Evil Village
Shared: Survival Horror · Action · Singleplayer

Bendy and the Dark Revival
Shared: Action · Survival Horror · Singleplayer

Darkwood
Shared: Survival Horror · Action · Adventure

Outlast 2
Shared: Survival Horror · Dark · Singleplayer

Resident Evil Requiem
Shared: Survival Horror · Action · Singleplayer

Resident Evil 4
Shared: Action · Survival Horror · Singleplayer

Resident Evil 7 Biohazard
Shared: Survival Horror · Singleplayer · Action

The Outlast Trials
Shared: Survival Horror · Action · First-Person

The Forest
Shared: Survival Horror · Adventure · Action

Slender: The Arrival
Shared: Survival Horror · Dark · First-Person

The Beast Inside
Shared: Survival Horror · Adventure · Action

Choo-Choo Charles
Shared: Survival Horror · Dark · Singleplayer

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Singleplayer · Action

SOMA
Shared: Survival Horror · Dark · Atmospheric

Amnesia: The Dark Descent
Shared: Survival Horror · Dark · Adventure

Bendy and the Ink Machine
Shared: Survival Horror · Singleplayer · Dark

Ultimate Custom Night
Shared: Survival Horror · Singleplayer · Dark

Penumbra Overture
Shared: Survival Horror · Adventure · First-Person

Five Nights at Freddy's
Shared: Survival Horror · Singleplayer · Dark

Resident Evil 4 (2005)
Shared: Survival Horror · Action · Adventure

Little Nightmares
Shared: Adventure · Dark · Singleplayer

Five Nights at Freddy's: Sister Location
Shared: Survival Horror · Dark · Singleplayer