Games like Reality Noclip: The Backrooms
Games like Reality Noclip: The Backrooms include Five Nights at Freddy's: Secret of the Mimic, Five Nights at Freddy's: Security Breach, The Forest, Journey To The Savage Planet, and Rise of the Tomb Raider™. We matched them by the tags players give Reality Noclip: The Backrooms on Steam (Action, Adventure, Action-Adventure, Arcade, and Exploration): closest matches first, and among equally close ones the better-known games.

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

Five Nights at Freddy's: Security Breach
Shared: Adventure · Exploration · Action

The Forest
Shared: Adventure · Action · Horror

Journey To The Savage Planet
Shared: Adventure · Action · Action-Adventure

Rise of the Tomb Raider™
Shared: Action · Adventure · Action-Adventure

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

Escape the Backrooms
Shared: Adventure · Exploration · Horror

Hamster Hunter
Shared: Arcade · Exploration · Action-Adventure

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

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

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

PEAK
Shared: Adventure · Exploration · First-Person

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

Kena: Bridge of Spirits
Shared: Action · Adventure · Action-Adventure

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

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

Sons Of The Forest
Shared: Adventure · Exploration · Survival

Sonic Frontiers
Shared: Adventure · Action · Exploration

Far Cry® 6
Shared: Action-Adventure · Action · Adventure

Atomic Heart
Shared: Adventure · Action · Action-Adventure

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

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

SANABI
Shared: Action · Adventure · Pixel Graphics

Indiana Jones and the Great Circle
Shared: Action-Adventure · Adventure · First-Person