Games like The Hat Man: Shadow Ward
Games like The Hat Man: Shadow Ward include Outlast, Poppy Playtime, Resident Evil 7 Biohazard, The Forest, and Resident Evil Village. We matched them by the tags players give The Hat Man: Shadow Ward on Steam (Horror, Indie, First-Person, Adventure, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · First-Person · Atmospheric

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

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

The Forest
Shared: Horror · Adventure · First-Person

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

The Beast Inside
Shared: Horror · First-Person · Adventure

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

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

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

Firewatch
Shared: Adventure · Atmospheric · First-Person

Alien: Isolation
Shared: Horror · Atmospheric · First-Person

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

METRO 2033 Redux
Shared: Horror · Atmospheric · First-Person

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

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

Five Nights at Freddy's
Shared: Horror · Indie · Singleplayer

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Lethal Company
Shared: Horror · First-Person · Survival Horror

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

Metro Exodus
Shared: Horror · Singleplayer · Atmospheric

What Remains of Edith Finch
Shared: Atmospheric · First-Person · Adventure

METRO Last Light Redux
Shared: Horror · Atmospheric · Action

Penumbra Overture
Shared: Horror · First-Person · Adventure

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