Games like Beer Machine
Games like Beer Machine include Layers of Fear (2016), Firewatch, Mouthwashing, SOMA, and What Remains of Edith Finch. We matched them by the tags players give Beer Machine on Steam (Horror, Walking Simulator, Adventure, Atmospheric, and Dark): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

Mouthwashing
Shared: Horror · Atmospheric · Psychological Horror

SOMA
Shared: Horror · Atmospheric · Psychological Horror

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

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Outlast
Shared: Horror · Atmospheric · First-Person

Little Nightmares II
Shared: Horror · Adventure · Dark

Poppy Playtime
Shared: Horror · Dark · First-Person

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

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

Blair Witch
Shared: Horror · Adventure · Psychological Horror

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

Visage
Shared: Horror · Dark · Psychological Horror

[Nightmare Files] Clap Clap
Shared: Horror · Adventure · Atmospheric

MiSide
Shared: Horror · Psychological Horror · Story Rich

The Beginner's Guide
Shared: Walking Simulator · Atmospheric · Story Rich

DISTRAINT 2
Shared: Horror · Atmospheric · Psychological Horror

From The Darkness
Shared: Horror · Dark · Walking Simulator

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

Dagon: by H. P. Lovecraft
Shared: Horror · Atmospheric · Dark

Layers of Fear 2 (2019)
Shared: Horror · Walking Simulator · Atmospheric

Fran Bow
Shared: Horror · Adventure · Psychological Horror

Outlast 2
Shared: Horror · Psychological Horror · Dark