Games like The Door in the Basement
Games like The Door in the Basement include Poppy Playtime, Outlast, SOMA, What Remains of Edith Finch, and Darkwood. We matched them by the tags players give The Door in the Basement on Steam (Horror, Atmospheric, Dark, Exploration, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Dark · Psychological Horror

Outlast
Shared: Horror · Atmospheric · Psychological Horror

SOMA
Shared: Horror · Atmospheric · Psychological Horror

What Remains of Edith Finch
Shared: Atmospheric · Exploration · Mystery

Darkwood
Shared: Horror · Psychological Horror · Dark

Outlast 2
Shared: Horror · Psychological Horror · Dark

Layers of Fear (2016)
Shared: Horror · Atmospheric · Psychological Horror

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

Firewatch
Shared: Atmospheric · Adventure · Mystery

Little Nightmares
Shared: Horror · Atmospheric · Dark

Mouthwashing
Shared: Horror · Atmospheric · Psychological Horror

Visage
Shared: Horror · Dark · Psychological Horror

Five Nights at Freddy's
Shared: Horror · Psychological Horror · Dark

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Psychological Horror

Little Nightmares II
Shared: Horror · Dark · Atmospheric

IMSCARED
Shared: Horror · Psychological Horror · Pixel Graphics

Lethal Company
Shared: Horror · Exploration · Psychological Horror

Amnesia: The Dark Descent
Shared: Horror · Atmospheric · Psychological Horror

Inside the Backrooms
Shared: Horror · Psychological Horror · Exploration

Subnautica 2
Shared: Horror · Exploration · Survival

Outer Wilds
Shared: Exploration · Atmospheric · Mystery

Slender: The Arrival
Shared: Horror · Dark · Atmospheric

DISTRAINT: Deluxe Edition
Shared: Horror · Psychological Horror · Pixel Graphics

No, I'm not a Human
Shared: Horror · Psychological Horror · Atmospheric