Games like The Sewer Job
Games like The Sewer Job include Firewatch, No, I'm not a Human, What Remains of Edith Finch, Poppy Playtime, and SOMA. We matched them by the tags players give The Sewer Job on Steam (Horror, Atmospheric, Thriller, Mystery, and Dark): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Atmospheric · Mystery · Adventure

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

What Remains of Edith Finch
Shared: Atmospheric · Mystery · Exploration

Poppy Playtime
Shared: Horror · Dark · Mystery

SOMA
Shared: Horror · Atmospheric · Dark

Mouthwashing
Shared: Horror · Atmospheric · Dark

Summer of '58
Shared: Horror · Atmospheric · Thriller

Subliminal
Shared: Atmospheric · Horror · Mystery

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

Outer Wilds
Shared: Mystery · Atmospheric · Exploration

The Painscreek Killings
Shared: Mystery · Horror · Atmospheric

Oxenfree
Shared: Atmospheric · Horror · Mystery

CARIMARA: Beneath the forlorn limbs
Shared: Mystery · Horror · Atmospheric

The Suicide of Rachel Foster
Shared: Atmospheric · Mystery · Thriller

Little Nightmares
Shared: Horror · Atmospheric · Dark

INSIDE
Shared: Atmospheric · Horror · Dark

Sally Face - Episode One
Shared: Horror · Dark · Atmospheric

The Stalked
Shared: Horror · Atmospheric · Thriller

Zoochosis
Shared: Horror · Atmospheric · Dark

Psalm 5:9-13
Shared: Horror · Mystery · Atmospheric

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

Fears to Fathom - Ironbark Lookout
Shared: Horror · Atmospheric · Thriller

Little Nightmares II
Shared: Horror · Atmospheric · Dark

The Lightkeeper
Shared: Horror · Atmospheric · Dark