Games like Husk
Games like Husk include Outlast, Mouthwashing, Firewatch, Layers of Fear (2016), and What Remains of Edith Finch. We matched them by the tags players give Husk on Steam (Horror, Indie, Atmospheric, Psychological, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Atmospheric · First-Person

Mouthwashing
Shared: Horror · Atmospheric · Indie

Firewatch
Shared: Atmospheric · Walking Simulator · Adventure

Layers of Fear (2016)
Shared: Horror · Atmospheric · Walking Simulator

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

SOMA
Shared: Horror · Atmospheric · Psychological Horror

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Psychological · Horror

Blair Witch
Shared: Horror · Indie · First-Person

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

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Walking Simulator

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

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

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

The Beginner's Guide
Shared: Indie · Atmospheric · Walking Simulator

Visage
Shared: Horror · Psychological Horror · Atmospheric

SILENT HILL 2
Shared: Horror · Atmospheric · Psychological Horror

Little Nightmares
Shared: Horror · Atmospheric · Indie

Still Wakes the Deep
Shared: Horror · Psychological Horror · Walking Simulator

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

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

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

MiSide
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Horror · Atmospheric · Singleplayer