Games like Security Simulator: Nightshift
Games like Security Simulator: Nightshift include CloverPit, Inscryption, Blue Prince, Buckshot Roulette, and Welcome to the Game III. We matched them by the tags players give Security Simulator: Nightshift on Steam (Simulation, Puzzle, Roguelike, Roguelite, and Indie): closest matches first, and among equally close ones the better-known games.

CloverPit
Shared: Roguelike · Roguelite · First-Person

Inscryption
Shared: Puzzle · Roguelike · Roguelite

Blue Prince
Shared: Puzzle · Roguelite · Indie

Buckshot Roulette
Shared: Indie · First-Person · Horror

Welcome to the Game III
Shared: Simulation · Puzzle · Roguelite

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

SchoolBoy Runaway
Shared: Puzzle · Simulation · Horror

Gunfire Reborn
Shared: Roguelike · Roguelite · Indie

Megabonk
Shared: Roguelike · Roguelite · Indie

Five Nights at Freddy's: Help Wanted 2
Shared: Puzzle · Simulation · Horror

Poppy Playtime
Shared: Puzzle · Horror · First-Person

ForgeTax
Shared: Roguelike · Roguelite · Simulation

Hades
Shared: Roguelite · Indie · Roguelike

Farming Simulator 25
Shared: Simulation · 3D · Time Management

Papers, Please
Shared: Simulation · Indie · Puzzle

The Exit 8
Shared: Puzzle · Horror · First-Person

MiSide
Shared: First-Person · 3D · Horror

Metel - Horror Escape
Shared: Puzzle · Indie · 3D

Dead Signal
Shared: Simulation · Puzzle · Roguelike

Receiver
Shared: Simulation · Roguelike · Indie

MOLE
Shared: Simulation · Puzzle · Horror

Deadzone: Rogue
Shared: Roguelike · Roguelite · First-Person

Killer Frequency
Shared: Puzzle · Simulation · Horror

Bendy and the Ink Machine
Shared: Puzzle · First-Person · Horror