Games like Anemoiapolis: Chapter 1
Games like Anemoiapolis: Chapter 1 include What Remains of Edith Finch, Firewatch, Layers of Fear (2016), SOMA, and Amnesia: A Machine For Pigs. We matched them by the tags players give Anemoiapolis: Chapter 1 on Steam (Horror, Psychological Horror, Exploration, First-Person, and Singleplayer): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: First-Person · Mystery · Exploration

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

SOMA
Shared: Horror · Psychological Horror · Exploration

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

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Lethal Company
Shared: Horror · First-Person · Exploration

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Outlast
Shared: Horror · First-Person · Psychological Horror

Visage
Shared: Horror · Psychological Horror · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

Outer Wilds
Shared: Exploration · Mystery · Singleplayer

POOLS
Shared: Psychological Horror · Exploration · First-Person

Subliminal
Shared: Psychological Horror · Singleplayer · Horror

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

MiSide
Shared: Psychological Horror · Horror · First-Person

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

The Complex: Expedition
Shared: Horror · Exploration · Psychological Horror

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

The Park®
Shared: Horror · Psychological Horror · First-Person

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · First-Person

Psalm 5:9-13
Shared: Horror · Psychological Horror · Exploration

DON'T SCREAM
Shared: Horror · Psychological Horror · First-Person