Games like 44 Minutes in Nightmare
Games like 44 Minutes in Nightmare include Baldi's Basics Plus, Five Nights at Freddy's: Security Breach, Monstrum, Eldritch, and The Binding of Isaac. We matched them by the tags players give 44 Minutes in Nightmare on Steam (Horror, Stealth, Roguelike, Action Roguelike, and Action): closest matches first, and among equally close ones the better-known games.

Baldi's Basics Plus
Shared: Horror · Roguelike · Stealth

Five Nights at Freddy's: Security Breach
Shared: Horror · Stealth · Multiple Endings

Monstrum
Shared: Horror · Action Roguelike · Roguelike

Eldritch
Shared: Roguelike · Action Roguelike · Horror

The Binding of Isaac
Shared: Roguelike · Action Roguelike · Procedural Generation

R.E.P.O.
Shared: Horror · Stealth · First-Person

Content Warning
Shared: Horror · Action Roguelike · Procedural Generation

Buckshot Roulette
Shared: Horror · First-Person · Strategy

The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Indie

Hades
Shared: Action Roguelike · Roguelike · Action

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

CloverPit
Shared: Roguelike · Horror · First-Person

METRO 2033 Redux
Shared: Horror · Action · Stealth

Outlast
Shared: Horror · First-Person · Stealth

Dying Light
Shared: Horror · First-Person · Action

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

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

Heat Signature
Shared: Stealth · Roguelike · Action

Void Bastards
Shared: Action Roguelike · Roguelike · Stealth

Dishonored
Shared: Stealth · Action · First-Person

METRO Last Light Redux
Shared: Horror · Action · Stealth

Mortal Sin
Shared: Action Roguelike · First-Person · Action

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

Shadow Corridor 2
Shared: Horror · Stealth · Roguelike