Games like The Sorrowvirus
Games like The Sorrowvirus include Firewatch, What Remains of Edith Finch, The Beginner's Guide, Layers of Fear (2016), and The Room. We matched them by the tags players give The Sorrowvirus on Steam (Indie, Casual, Adventure, Horror, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · First-Person

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

The Beginner's Guide
Shared: Indie · First-Person · Atmospheric

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

The Room
Shared: Adventure · Indie · Atmospheric

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

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

Little Nightmares
Shared: Horror · Adventure · Atmospheric

MiSide
Shared: Horror · First-Person · Story Rich

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

The Room Two
Shared: Indie · Horror · Adventure

Amnesia: A Machine For Pigs
Shared: Horror · First-Person · Atmospheric

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Atmospheric

A Story About My Uncle
Shared: Adventure · Indie · First-Person

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

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

DISTRAINT: Deluxe Edition
Shared: Indie · Horror · Adventure

Outlast
Shared: Horror · First-Person · Atmospheric

The Death | Thần Trùng
Shared: Indie · Horror · Adventure

Gone Home
Shared: Indie · Short · First-Person

[Chillas Art] The Convenience Store
Shared: Indie · Horror · Adventure

Mouthwashing
Shared: Horror · Indie · Atmospheric

SOMA
Shared: Horror · Atmospheric · Story Rich

Blair Witch
Shared: Adventure · Indie · Horror