Games like Real Nightmares
Games like Real Nightmares include The Exit 8, Platform 8, The Talos Principle 2, Indiana Jones and the Great Circle, and What Remains of Edith Finch. We matched them by the tags players give Real Nightmares on Steam (Exploration, Immersive Sim, Puzzle, Physics, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Puzzle · Immersive Sim

Platform 8
Shared: Puzzle · Walking Simulator · Exploration

The Talos Principle 2
Shared: Puzzle · Exploration · Walking Simulator

Indiana Jones and the Great Circle
Shared: Puzzle · Action-Adventure · Exploration

What Remains of Edith Finch
Shared: Exploration · Walking Simulator · First-Person

Amnesia: Rebirth
Shared: Puzzle · Action-Adventure · Exploration

PEAK
Shared: Exploration · Physics · First-Person

INFRA
Shared: Exploration · Puzzle · Walking Simulator

Prison Escape Simulator: Dig Out
Shared: Physics · Exploration · 3D

Superliminal
Shared: Puzzle · Physics · First-Person

Outer Wilds
Shared: Exploration · Puzzle · Story Rich

Riven
Shared: Exploration · Puzzle · First-Person

Blue Prince
Shared: Exploration · Puzzle · First-Person

Firewatch
Shared: Walking Simulator · Exploration · First-Person

Internet Cafe Simulator 2
Shared: Exploration · 3D · Immersive Sim

The Witness
Shared: Exploration · Puzzle · First-Person

Scanner Sombre
Shared: Exploration · Walking Simulator · Puzzle

[Chillas Art] The Closing Shift
Shared: Immersive Sim · Puzzle · Exploration

Portal 2
Shared: Puzzle · First-Person · Action-Adventure

Big Walk
Shared: Exploration · Puzzle · Immersive Sim

Goat Simulator 3
Shared: Exploration · Physics · Action-Adventure

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

Botany Manor
Shared: Exploration · Puzzle · Immersive Sim

Supraworld
Shared: Exploration · Puzzle · Immersive Sim