Games like The Whispering Valley
Games like The Whispering Valley include SOMA, Firewatch, What Remains of Edith Finch, Sally Face - Episode One, and Outer Wilds. We matched them by the tags players give The Whispering Valley on Steam (Atmospheric, Horror, Story Rich, First-Person, and Adventure): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Atmospheric · Story Rich

Firewatch
Shared: Atmospheric · Story Rich · Adventure

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

Sally Face - Episode One
Shared: Story Rich · Horror · Atmospheric

Outer Wilds
Shared: Story Rich · Atmospheric · Exploration

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

Fran Bow
Shared: Story Rich · Horror · Point & Click

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

Little Nightmares
Shared: Atmospheric · Horror · Adventure

The Room Two
Shared: Atmospheric · Horror · Point & Click

Little Nightmares II
Shared: Horror · Adventure · Atmospheric

The Room
Shared: Atmospheric · Point & Click · Adventure

Outlast
Shared: Horror · Atmospheric · First-Person

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Story Rich

The Room Three
Shared: Atmospheric · Adventure · Point & Click

The Room 4: Old Sins
Shared: Adventure · Point & Click · Story Rich

Still Wakes the Deep
Shared: Horror · First-Person · Story Rich

MiSide
Shared: Story Rich · Horror · First-Person

Amnesia: The Dark Descent
Shared: Horror · Atmospheric · First-Person

Outlast 2
Shared: Horror · First-Person · Atmospheric

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

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

Mouthwashing
Shared: Horror · Atmospheric · Story Rich

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