Games like Cursed Bet
Games like Cursed Bet include Poppy Playtime, Outlast, Phasmophobia, Bendy and the Ink Machine, and SOMA. We matched them by the tags players give Cursed Bet on Steam (Horror, Supernatural, Dark, First-Person, and Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · First-Person · Dark

Outlast
Shared: Horror · First-Person · Psychological Horror

Phasmophobia
Shared: Horror · Supernatural · First-Person

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

SOMA
Shared: Horror · Dark · Psychological Horror

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

Outlast 2
Shared: Horror · First-Person · Dark

Garten of Banban
Shared: Horror · First-Person · Psychological Horror

Visage
Shared: Horror · Dark · First-Person

Little Nightmares II
Shared: Horror · Adventure · Dark

Amnesia: The Dark Descent
Shared: Horror · First-Person · Psychological Horror

Five Nights at Freddy's
Shared: Horror · Psychological Horror · First-Person

The Mortuary Assistant
Shared: Horror · Supernatural · Mystery

Little Nightmares
Shared: Horror · Adventure · Dark

Dread Flats
Shared: Horror · Supernatural · Adventure

Pacify
Shared: Horror · Supernatural · First-Person

Alan Wake
Shared: Horror · Adventure · Thriller

Inside the Backrooms
Shared: Horror · Adventure · Psychological Horror

Firework
Shared: Horror · Mystery · Psychological Horror

Layers of Fear (2016)
Shared: Horror · First-Person · Psychological Horror

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

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

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

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