Games like Brews & Blood: Origin
Games like Brews & Blood: Origin include Firewatch, Layers of Fear (2016), What Remains of Edith Finch, Fears to Fathom - Ironbark Lookout, and Amnesia: A Machine For Pigs. We matched them by the tags players give Brews & Blood: Origin on Steam (Horror, Walking Simulator, Indie, Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · First-Person

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

What Remains of Edith Finch
Shared: Walking Simulator · Exploration · First-Person

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

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

Mouthwashing
Shared: Horror · Psychological Horror · Indie

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

SOMA
Shared: Horror · Psychological Horror · Exploration

MiSide
Shared: Horror · Psychological Horror · First-Person

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

Fears to Fathom® - Scratch Creek
Shared: Horror · Adventure · Walking Simulator

Outlast
Shared: Horror · First-Person · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

The Beast Inside
Shared: Horror · Adventure · First-Person

Dark Deception
Shared: Horror · First-Person · Indie

Visage
Shared: Horror · Psychological Horror · First-Person

Blair Witch
Shared: Horror · Adventure · Indie

The Park®
Shared: Horror · Walking Simulator · Psychological Horror

Little Nightmares II
Shared: Horror · Adventure · Singleplayer

Scanner Sombre
Shared: Walking Simulator · Horror · Exploration

Lethal Company
Shared: Horror · First-Person · Exploration

Outer Wilds
Shared: Exploration · Adventure · Story Rich

Slender: The Arrival
Shared: Horror · Indie · First-Person

Fears to Fathom - Woodbury Getaway
Shared: Horror · Adventure · Psychological Horror