Games like MIMIC
Games like MIMIC include Resident Evil Requiem, Five Nights at Freddy's: Security Breach, Escape the Backrooms, MiSide, and Ready or Not. We matched them by the tags players give MIMIC on Steam (Action, Action-Adventure, Interactive Fiction, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

Resident Evil Requiem
Shared: Action · Horror · Action-Adventure

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · 3D

Escape the Backrooms
Shared: Horror · First-Person · Psychological Horror

MiSide
Shared: Psychological Horror · First-Person · Horror

Ready or Not
Shared: Realistic · Action · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Action · First-Person · Horror

Zort
Shared: Horror · Action · First-Person

In Sound Mind
Shared: Action · Horror · Psychological Horror

The Outlast Trials
Shared: Horror · First-Person · Action

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

Bendy and the Dark Revival
Shared: Action · First-Person · Horror

SILENT HILL: Townfall
Shared: Action · Horror · First-Person

Buckshot Roulette
Shared: First-Person · Horror · 3D

Saiko no sutoka
Shared: First-Person · Horror · 3D

Hello Neighbor
Shared: First-Person · Horror · Action-Adventure

The Other Side
Shared: Action · Action-Adventure · 3D

Outlast
Shared: First-Person · Horror · Psychological Horror

Far Cry® 5
Shared: Action-Adventure · First-Person · Action

Ghostwire: Tokyo
Shared: Action-Adventure · Action · First-Person

Amnesia: Rebirth
Shared: Action-Adventure · First-Person · Horror

A Plague Tale: Requiem
Shared: Action · Action-Adventure · Interactive Fiction

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

The Beast Inside
Shared: Action · First-Person · Horror

Crisol: Theater of Idols
Shared: Action-Adventure · Horror · Action