Games like Ashworth
Games like Ashworth include SOMA, Poppy Playtime, Inside the Backrooms, Little Nightmares, and Amnesia: The Dark Descent. We matched them by the tags players give Ashworth on Steam (Horror, Psychological Horror, Survival Horror, Puzzle, and Indie): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Puzzle · Survival Horror

Inside the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

Little Nightmares
Shared: Horror · Atmospheric · Adventure

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

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

Outlast
Shared: Horror · Survival Horror · Psychological Horror

Little Nightmares II
Shared: Horror · Puzzle · Psychological Horror

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

What Remains of Edith Finch
Shared: Atmospheric · Story Rich · Walking Simulator

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

MiSide
Shared: Psychological Horror · Horror · Story Rich

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

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

Visage
Shared: Horror · Psychological Horror · Survival Horror

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Firewatch
Shared: Atmospheric · Adventure · Story Rich

Bendy and the Ink Machine
Shared: Horror · Puzzle · Survival Horror

Among the Sleep - Enhanced Edition
Shared: Horror · Indie · Atmospheric

Fran Bow
Shared: Psychological Horror · Horror · Puzzle

Detention
Shared: Horror · Psychological Horror · Indie

SILENT HILL 2
Shared: Horror · Psychological Horror · Survival Horror

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