Games like Nitrogen Narcosis
Games like Nitrogen Narcosis include Hamster Hunter, Escape the Backrooms, Backrooms: Escape Together, Lethal Company, and Pacify. We matched them by the tags players give Nitrogen Narcosis on Steam (Casual, Action, Action-Adventure, Arcade, and Exploration): closest matches first, and among equally close ones the better-known games.

Hamster Hunter
Shared: Arcade · Exploration · Action-Adventure

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

Backrooms: Escape Together
Shared: First-Person · Horror · Exploration

Lethal Company
Shared: First-Person · Exploration · Horror

Pacify
Shared: Exploration · First-Person · Horror

Far Cry® 5
Shared: Action-Adventure · Exploration · Action

A Plague Tale: Requiem
Shared: Action · Action-Adventure · Exploration

PEAK
Shared: Exploration · First-Person · 3D

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

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

SILENT HILL: Townfall
Shared: Action · Action-Adventure · Exploration

Zort
Shared: Action · First-Person · Action-Adventure

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

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

Internet Cafe Simulator 2
Shared: Exploration · 3D · First-Person

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

Total Chaos
Shared: Action · Action-Adventure · Exploration

Outlast
Shared: First-Person · Atmospheric · Horror

Five Nights at Freddy's: Security Breach
Shared: First-Person · Exploration · Action

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

Prison Escape Simulator: Dig Out
Shared: Casual · 3D · Action-Adventure

VLADiK BRUTAL
Shared: Action · Casual · First-Person

Fears to Fathom® - Scratch Creek
Shared: Casual · First-Person · Horror

RV There Yet?
Shared: Exploration · First-Person · 3D