Games like Hallowed Pumpkins
Games like Hallowed Pumpkins include Escape the Backrooms, Five Nights at Freddy's: Security Breach, Resident Evil Requiem, Dead by Daylight, and Outlast. We matched them by the tags players give Hallowed Pumpkins on Steam (Casual, Horror, Survival Horror, Multiplayer, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Multiplayer · Survival Horror

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

Resident Evil Requiem
Shared: Survival Horror · Horror · Singleplayer

Dead by Daylight
Shared: Horror · Survival Horror · Multiplayer

Outlast
Shared: Horror · Survival Horror · Singleplayer

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

Resident Evil 2
Shared: Horror · Survival Horror · Singleplayer

Grand Theft Auto V Legacy
Shared: Multiplayer · Action · Shooter

The Outlast Trials
Shared: Horror · Multiplayer · Survival Horror

Ready or Not
Shared: Multiplayer · Shooter · Horror

Left 4 Dead 2
Shared: Multiplayer · Shooter · Horror

Resident Evil 3
Shared: Horror · Multiplayer · Survival Horror

Buckshot Roulette
Shared: Multiplayer · Horror · Singleplayer

Resident Evil Village
Shared: Horror · Survival Horror · Singleplayer

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

Sons Of The Forest
Shared: Multiplayer · Survival Horror · Horror

Blood and Bacon
Shared: Multiplayer · Horror · Shooter

Dark Deception
Shared: Horror · Multiplayer · Singleplayer

Dead Space
Shared: Horror · Survival Horror · Singleplayer

Backrooms: Escape Together
Shared: Horror · Multiplayer · Survival Horror

Call of Duty®
Shared: Multiplayer · Singleplayer · Shooter

Pacify
Shared: Horror · Multiplayer · Survival Horror

Resident Evil 4
Shared: Horror · Survival Horror · Singleplayer

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