Games like Intruders: Hide and Seek
Games like Intruders: Hide and Seek include Outlast, Escape the Backrooms, Resident Evil 7 Biohazard, Bendy and the Dark Revival, and We Happy Few. We matched them by the tags players give Intruders: Hide and Seek on Steam (Adventure, Action, Indie, Horror, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Psychological Horror · First-Person

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Resident Evil 7 Biohazard
Shared: Horror · VR · First-Person

Bendy and the Dark Revival
Shared: Horror · Action · Adventure

We Happy Few
Shared: Adventure · Action · Indie

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · Horror · Action

The Beast Inside
Shared: Adventure · Horror · Action

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Adventure

Poppy Playtime
Shared: Horror · Singleplayer · Psychological Horror

Budget Cuts
Shared: Adventure · Action · Indie

Spooky's Jump Scare Mansion: HD Renovation
Shared: Adventure · Indie · Horror

Resident Evil Village
Shared: Horror · Action · First-Person

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

Little Nightmares
Shared: Adventure · Horror · Indie

Dark Deception
Shared: Horror · Psychological Horror · Indie

Garten of Banban
Shared: Horror · Psychological Horror · VR

Penumbra Overture
Shared: Adventure · Horror · Indie

Thief
Shared: Action · Adventure · Stealth

Duck Season
Shared: Horror · Action · Adventure

Ready or Not
Shared: Horror · Action · Singleplayer

Penumbra: Black Plague Gold Edition
Shared: Adventure · Horror · Psychological Horror

The Outlast Trials
Shared: Horror · Psychological Horror · Action

Phasmophobia
Shared: Horror · Psychological Horror · VR

Half-Life: Alyx
Shared: VR · Horror · Action