Games like Remorse
Games like Remorse include SOMA, Mouthwashing, Outlast, No, I'm not a Human, and Outlast 2. We matched them by the tags players give Remorse on Steam (Horror, Atmospheric, Dark, Philosophical, and Story Rich): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Atmospheric · Story Rich

Mouthwashing
Shared: Horror · Atmospheric · Story Rich

Outlast
Shared: Horror · Atmospheric · Dark

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

Outlast 2
Shared: Horror · Dark · Atmospheric

Resident Evil Village
Shared: Horror · Action · Story Rich

Still Wakes the Deep
Shared: Horror · Dark · Gore

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

What Remains of Edith Finch
Shared: Atmospheric · Story Rich · Mystery

Amnesia: The Dark Descent
Shared: Horror · Atmospheric · Gore

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Story Rich · Dark

Resident Evil 7 Biohazard
Shared: Horror · Atmospheric · Gore

Poppy Playtime
Shared: Horror · Dark · Mystery

Little Nightmares II
Shared: Horror · Dark · Atmospheric

Resident Evil 4
Shared: Horror · Action · Story Rich

Tiny Bunny
Shared: Horror · Atmospheric · Dark

Little Nightmares
Shared: Horror · Atmospheric · Dark

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

Buckshot Roulette
Shared: Dark · Horror · Gore

Layers of Fear (2016)
Shared: Horror · Atmospheric · Story Rich

MiSide
Shared: Horror · Story Rich · Atmospheric

Darkwood
Shared: Horror · Dark · Atmospheric

Firewatch
Shared: Atmospheric · Story Rich · Mystery

METRO 2033 Redux
Shared: Atmospheric · Horror · Story Rich