Games like Andarin Weppes: Pre-Dementia
Games like Andarin Weppes: Pre-Dementia include Viewfinder, LIMBO, Portal 2, NaissanceE, and Portal. We matched them by the tags players give Andarin Weppes: Pre-Dementia on Steam (Puzzle Platformer, Adventure, Atmospheric, Puzzle, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Viewfinder
Shared: Puzzle Platformer · Puzzle · Adventure

LIMBO
Shared: Puzzle Platformer · Puzzle · Atmospheric

Portal 2
Shared: Puzzle · Platformer · Puzzle Platformer

NaissanceE
Shared: Atmospheric · Adventure · Abstract

Portal
Shared: Puzzle Platformer · Puzzle · 3D Platformer

Little Nightmares
Shared: Adventure · Atmospheric · Puzzle Platformer

Antichamber
Shared: Puzzle · Adventure · Surreal

Manifold Garden
Shared: Puzzle · Puzzle Platformer · Abstract

Superliminal
Shared: Puzzle · Surreal · Adventure

Little Nightmares II
Shared: Adventure · Puzzle · Atmospheric

Moncage
Shared: Puzzle · Adventure · Atmospheric

INSIDE
Shared: Puzzle Platformer · Atmospheric · Adventure

ANIMAL WELL
Shared: Puzzle Platformer · Puzzle · Platformer

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

GRIS
Shared: Atmospheric · Adventure · Platformer

FAR: Lone Sails
Shared: Adventure · Atmospheric · Puzzle

COCOON
Shared: Adventure · Puzzle · Puzzle Platformer

The Beginner's Guide
Shared: Atmospheric · Adventure · Abstract

Supraland
Shared: Puzzle Platformer · Adventure · Puzzle

The Last Campfire
Shared: Adventure · Puzzle · Atmospheric

Shady Part of Me
Shared: Puzzle · Atmospheric · Adventure

Seen
Shared: Adventure · Puzzle · Atmospheric

Firewatch
Shared: Adventure · Atmospheric · First-Person

FEZ
Shared: Puzzle · Platformer · Adventure