Games like Namnokh
Games like Namnokh include Portal 2, LIMBO, Portal, Unravel, and Planet of Lana. We matched them by the tags players give Namnokh on Steam (Singleplayer, Puzzle, Platformer, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Singleplayer · Puzzle · Platformer

LIMBO
Shared: Puzzle · Platformer · Puzzle Platformer

Portal
Shared: Puzzle · Singleplayer · Puzzle Platformer

Unravel
Shared: Puzzle · Singleplayer · Action

Planet of Lana
Shared: Action · Puzzle · Puzzle Platformer

Chants of Sennaar
Shared: Puzzle · Singleplayer · Adventure

Ori and the Will of the Wisps
Shared: Platformer · Singleplayer · Action

COCOON
Shared: Puzzle · Adventure · Singleplayer

Seen
Shared: Singleplayer · Puzzle · Adventure

Little Nightmares
Shared: Singleplayer · Adventure · Puzzle

Little Nightmares II
Shared: Singleplayer · Puzzle · Adventure

Brothers - A Tale of Two Sons
Shared: Adventure · Puzzle · Singleplayer

The Last Campfire
Shared: Puzzle · Singleplayer · Adventure

FEZ
Shared: Puzzle · Platformer · Singleplayer

GRIS
Shared: Singleplayer · Adventure · Platformer

FAR: Lone Sails
Shared: Singleplayer · Adventure · Puzzle

Hob
Shared: Singleplayer · Action · Adventure

INSIDE
Shared: Puzzle Platformer · Singleplayer · Atmospheric

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

Stray
Shared: Singleplayer · Adventure · Puzzle

A Story About My Uncle
Shared: Singleplayer · Adventure · Platformer

Oddworld: New 'n' Tasty
Shared: Platformer · Puzzle · Singleplayer

Viewfinder
Shared: Puzzle · Singleplayer · Puzzle Platformer

Neva
Shared: Platformer · Adventure · Puzzle