Games like Psychic Isolation Episode 1
Games like Psychic Isolation Episode 1 include Dead by Daylight, Outlast 2, The Outlast Trials, Resident Evil Village, and Resident Evil 7 Biohazard. We matched them by the tags players give Psychic Isolation Episode 1 on Steam (Action, Indie, Violent, Survival Horror, and Horror): closest matches first, and among equally close ones the better-known games.

Dead by Daylight
Shared: Horror · Survival Horror · Violent

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror

The Outlast Trials
Shared: Horror · Survival Horror · Psychological Horror

Resident Evil Village
Shared: Survival Horror · Action · Horror

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Action

Outlast
Shared: Horror · Survival Horror · Psychological Horror

The Beast Inside
Shared: Horror · Action · Survival Horror

The Evil Within 2
Shared: Survival Horror · Horror · Action

Escape the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Resident Evil 4
Shared: Action · Horror · Survival Horror

Remothered: Tormented Fathers
Shared: Action · Horror · Survival Horror

Five Nights at Freddy's
Shared: Horror · Survival Horror · Indie

Resident Evil 3
Shared: Action · Horror · Survival Horror

Manhunt
Shared: Violent · Action · Horror

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

Dark Deception
Shared: Horror · Indie · Psychological Horror

Darkwood
Shared: Survival Horror · Action · Horror

Resident Evil 2
Shared: Survival Horror · Horror · Action

SILENT HILL f
Shared: Horror · Psychological Horror · Survival Horror

Pyromaniac
Shared: Indie · Action · Psychological Horror

Slender: The Arrival
Shared: Indie · Survival Horror · Horror

The Dark Occult
Shared: Action · Indie · Horror

Hotline Miami
Shared: Action · Violent · Indie