Games like Astral Eden [CHAPTER 1]
Games like Astral Eden [CHAPTER 1] include Poppy Playtime, Outlast, Five Nights at Freddy's, Five Nights at Freddy's 2, and The Room. We matched them by the tags players give Astral Eden [CHAPTER 1] on Steam (Casual, Point & Click, 3D, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: First-Person · Horror · Dark

Outlast
Shared: First-Person · Atmospheric · Horror

Five Nights at Freddy's
Shared: Horror · Point & Click · First-Person

Five Nights at Freddy's 2
Shared: Horror · First-Person · Point & Click

The Room
Shared: Point & Click · Atmospheric · Mystery

Outlast 2
Shared: First-Person · Horror · Dark

Garten of Banban
Shared: First-Person · Horror · 3D

The Room Two
Shared: Point & Click · Atmospheric · Mystery

Five Nights at Freddy's 4
Shared: First-Person · Horror · Point & Click

Five Nights at Freddy's 3
Shared: First-Person · Horror · Point & Click

Ultimate Custom Night
Shared: Horror · First-Person · Point & Click

MiSide
Shared: First-Person · 3D · Psychological Horror

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

Phasmophobia
Shared: Horror · First-Person · Psychological Horror

Sally Face - Episode One
Shared: Dark · Horror · Point & Click

SOMA
Shared: Atmospheric · Horror · Dark

Garten of Banban 2
Shared: First-Person · Horror · 3D

Buckshot Roulette
Shared: Dark · First-Person · Horror

The Room Three
Shared: Point & Click · Atmospheric · Mystery

From The Darkness
Shared: First-Person · Dark · Horror

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: Horror · First-Person · Casual

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

Garten of Banban 3
Shared: First-Person · Horror · 3D

Five Nights at Freddy's: Sister Location
Shared: First-Person · Horror · Dark