Games like All Alone with Mannie
Games like All Alone with Mannie include Five Nights at Freddy's 4, Five Nights at Freddy's, Ultimate Custom Night, Five Nights at Freddy's 2, and Outlast. We matched them by the tags players give All Alone with Mannie on Steam (Survival Horror, First-Person, Dark, Difficult, and Story Rich): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's 4
Shared: Survival Horror · First-Person · Dark

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

Ultimate Custom Night
Shared: Survival Horror · Difficult · Singleplayer

Five Nights at Freddy's 2
Shared: Survival Horror · First-Person · Singleplayer

Outlast
Shared: First-Person · Survival Horror · Dark

Resident Evil Village
Shared: Survival Horror · First-Person · Singleplayer

Poppy Playtime
Shared: First-Person · Survival Horror · Singleplayer

Five Nights at Freddy's: Sister Location
Shared: Survival Horror · First-Person · Dark

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

Outlast 2
Shared: Survival Horror · First-Person · Dark

Five Nights at Freddy's 3
Shared: Survival Horror · First-Person · Singleplayer

SOMA
Shared: Survival Horror · Story Rich · Dark

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

Bendy and the Dark Revival
Shared: First-Person · Survival Horror · Singleplayer

Sally Face - Episode One
Shared: Story Rich · Dark · Horror

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: Survival Horror · First-Person · Singleplayer

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

Resident Evil 4
Shared: Survival Horror · Action · Story Rich

Resident Evil Requiem
Shared: Survival Horror · First-Person · Action

Tattletail
Shared: First-Person · Survival Horror · Singleplayer

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

METRO 2033 Redux
Shared: Story Rich · First-Person · Survival Horror

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · First-Person · Singleplayer

Amnesia: The Bunker
Shared: Survival Horror · First-Person · Difficult