: Once asleep, the game shifts into a first-person exploration style similar to Slender Man .

: You freely roam environments like Pinetree Island or the Revivel laboratory to piece together John's past.

The game is structured into six nights, each split into two distinct phases:

: Fill a "Sleep Bar" before 4:00 AM by keeping your eyes closed.

: This phase uses a "sit-and-survive" mechanic similar to Five Nights at Freddy's .

: Closing your eyes increases your sleep level but also triggers auditory and visual hallucinations. If your Stress Meter maxes out, you suffer a fatal cardiac arrest.

is a surreal indie horror game developed by AmberDrop that transforms the simple act of bedtime into a high-stakes survival challenge . You play as John Herrin, a survivor of a mysterious industrial accident who must recover his lost memories through dreaming while managing severe brain damage that causes terrifying hallucinations. Core Gameplay & Mechanics

Reviewers and players generally praise the game's atmosphere and unique central concept, though some find the dream sequences uneven: