Games like No Way Out
Games like No Way Out include What Remains of Edith Finch, Firewatch, Outer Wilds, Layers of Fear (2016), and The Exit 8. We matched them by the tags players give No Way Out on Steam (Retro, Psychological Horror, Multiple Endings, Exploration, and Puzzle): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: Adventure · Exploration · Walking Simulator

Outer Wilds
Shared: Exploration · Puzzle · Adventure

Layers of Fear (2016)
Shared: Psychological Horror · First-Person · Walking Simulator

The Exit 8
Shared: Exploration · Puzzle · Psychological Horror

The Witness
Shared: Exploration · Puzzle · First-Person

Mouthwashing
Shared: Psychological Horror · Retro · Walking Simulator

INFRA
Shared: Exploration · Puzzle · First-Person

SOMA
Shared: Psychological Horror · Exploration · First-Person

Blue Prince
Shared: Puzzle · Exploration · First-Person

Poppy Playtime
Shared: Puzzle · Psychological Horror · First-Person

Riven
Shared: Puzzle · Exploration · First-Person

Amnesia: A Machine For Pigs
Shared: Psychological Horror · Walking Simulator · Exploration

Inside the Backrooms
Shared: Psychological Horror · Puzzle · Exploration

MOLE
Shared: Psychological Horror · Retro · Puzzle

Return of the Obra Dinn
Shared: Puzzle · Mystery · First-Person

The Talos Principle
Shared: Puzzle · First-Person · Exploration

Endacopia
Shared: Psychological Horror · Puzzle · Adventure

Scanner Sombre
Shared: Exploration · Psychological Horror · Walking Simulator

No, I'm not a Human
Shared: Psychological Horror · Multiple Endings · First-Person

MiSide
Shared: Psychological Horror · First-Person · 3D

Papers, Please
Shared: Multiple Endings · Retro · Puzzle

The Death | Thần Trùng
Shared: Psychological Horror · Puzzle · Adventure

POOLS
Shared: Psychological Horror · Exploration · Walking Simulator