Games like THE 8IGHT
Games like THE 8IGHT include Little Nightmares II, Sally Face - Episode One, MiSide, Little Nightmares, and Fran Bow. We matched them by the tags players give THE 8IGHT on Steam (Adventure, Indie, Horror, Psychological Horror, and Puzzle): closest matches first, and among equally close ones the better-known games.

Little Nightmares II
Shared: Adventure · Horror · Puzzle

Sally Face - Episode One
Shared: Indie · Psychological Horror · Horror

MiSide
Shared: Psychological Horror · Horror · Story Rich

Little Nightmares
Shared: Adventure · Horror · Indie

Fran Bow
Shared: Psychological Horror · Adventure · Horror

Poppy Playtime
Shared: Horror · Puzzle · Singleplayer

Rusty Lake Paradise
Shared: Indie · Adventure · Puzzle

Detention
Shared: Indie · Horror · Psychological Horror

DISTRAINT: Deluxe Edition
Shared: Indie · Horror · Psychological Horror

Samsara Room
Shared: Indie · Adventure · Puzzle

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Indie

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Little Misfortune
Shared: Indie · Psychological Horror · Adventure

Servant of the Lake
Shared: Adventure · Puzzle · Indie

The Death | Thần Trùng
Shared: Horror · Indie · Psychological Horror

Outer Wilds
Shared: Adventure · Story Rich · Puzzle

Firework
Shared: Indie · Horror · Puzzle

The Room Three
Shared: Adventure · Puzzle · Indie

Tales of the Black Forest
Shared: Horror · Indie · Adventure

The White Door
Shared: Adventure · Indie · Puzzle

The Cat Lady
Shared: Adventure · Horror · Indie

SOMA
Shared: Horror · Psychological Horror · Story Rich

Observation
Shared: Adventure · Indie · Horror

Cube Escape Collection
Shared: Puzzle · Horror · Psychological Horror