Games like You Were Sent Alone
Games like You Were Sent Alone include Layers of Fear (2016), SOMA, Outlast, Visage, and Firewatch. We matched them by the tags players give You Were Sent Alone on Steam (Adventure, Horror, Psychological Horror, Dark, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

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

SOMA
Shared: Horror · Psychological Horror · Dark

Outlast
Shared: Horror · Psychological Horror · Atmospheric

Visage
Shared: Horror · Psychological Horror · Dark

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

Little Nightmares II
Shared: Adventure · Horror · Dark

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Dark · Psychological Horror

Blair Witch
Shared: Adventure · Horror · Psychological Horror

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

Summer of '58
Shared: Horror · Psychological Horror · Walking Simulator

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Atmospheric

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Fears to Fathom - Ironbark Lookout
Shared: Horror · Psychological Horror · Adventure

Welcome to Kowloon
Shared: Horror · Adventure · Psychological Horror

ROUTINE
Shared: Psychological Horror · Adventure · Dark

Phasmophobia
Shared: Horror · Psychological Horror · Dark

Scanner Sombre
Shared: Horror · Adventure · Walking Simulator

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

The Cabin Factory
Shared: Horror · Psychological Horror · Walking Simulator

From The Darkness
Shared: Horror · Psychological Horror · Dark

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Horror · Psychological Horror

The Lightkeeper
Shared: Adventure · Horror · Psychological Horror