Games like 20 More, Somehow Even Smaller, Mazes
Games like 20 More, Somehow Even Smaller, Mazes include Strange Jigsaws, Viewfinder, Antichamber, Samsara Room, and Chants of Sennaar. We matched them by the tags players give 20 More, Somehow Even Smaller, Mazes on Steam (Adventure, 2D, Abstract, Colorful, and Puzzle): closest matches first, and among equally close ones the better-known games.

Strange Jigsaws
Shared: Adventure · 2D · Abstract

Viewfinder
Shared: Puzzle · Abstract · Adventure

Antichamber
Shared: Puzzle · Surreal · Abstract

Samsara Room
Shared: Adventure · Puzzle · Free to Play

Chants of Sennaar
Shared: Adventure · Puzzle · Colorful

The Mr. Rabbit Magic Show
Shared: Adventure · Puzzle · 2D

LIMBO
Shared: Puzzle · 2D · Adventure

Lost in Play
Shared: 2D · Puzzle · Surreal

Sanfu
Shared: 2D · Adventure · Puzzle

Samorost 1
Shared: Surreal · Puzzle · 2D

Moncage
Shared: Adventure · Puzzle · Singleplayer

Varenje
Shared: Adventure · Puzzle · Free to Play

Poppy Playtime
Shared: Puzzle · Singleplayer · Free to Play

Outcore: Desktop Adventure
Shared: Adventure · Puzzle · Free to Play

GRIS
Shared: Adventure · 2D · Singleplayer

Return to Monkey Island
Shared: Adventure · Puzzle · 2D

aMAZE
Shared: 2D · Puzzle · Colorful

Superliminal
Shared: Puzzle · Surreal · Singleplayer

When The Past Was Around
Shared: 2D · Surreal · Puzzle

Hylics
Shared: Surreal · Abstract · Adventure

The Witness
Shared: Puzzle · Colorful · Singleplayer

Scribblenauts Unlimited
Shared: Adventure · Puzzle · 2D

Storyteller
Shared: 2D · Adventure · Puzzle

Rusty Lake Paradise
Shared: Adventure · Puzzle · 2D