Games like Arthur's Thinking Games
Games like Arthur's Thinking Games include Storyteller, Is This Seat Taken?, A Little to the Left, There Is No Game: Wrong Dimension, and Scribblenauts Unlimited. We matched them by the tags players give Arthur's Thinking Games on Steam (Casual, Interactive Fiction, Point & Click, Puzzle, and 2D): closest matches first, and among equally close ones the better-known games.

Storyteller
Shared: Interactive Fiction · Point & Click · Puzzle

Is This Seat Taken?
Shared: Casual · Puzzle · Logic

A Little to the Left
Shared: Puzzle · Casual · Point & Click

There Is No Game: Wrong Dimension
Shared: Point & Click · Puzzle · Casual

Scribblenauts Unlimited
Shared: Casual · Puzzle · 2D

Machinarium
Shared: Point & Click · Puzzle · 2D

Gorogoa
Shared: Puzzle · Casual · Point & Click

Peggle Deluxe
Shared: Casual · Puzzle · 2D

Zup! S
Shared: Casual · Puzzle · 2D

CHUCHEL
Shared: Casual · Point & Click · Cartoon

Lost in Play
Shared: Point & Click · Puzzle · 2D

Return to Monkey Island
Shared: Point & Click · Puzzle · 2D

Hook
Shared: Casual · Puzzle · 2D

Hidden Folks
Shared: Casual · Puzzle · Point & Click

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Singleplayer

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Old Man's Journey
Shared: Casual · Puzzle · Family Friendly

Zup! F
Shared: Casual · Puzzle · 2D

Hidden Through Time
Shared: Casual · Point & Click · Puzzle

Zup!
Shared: Casual · Puzzle · 2D

The Tiny Bang Story
Shared: Point & Click · Puzzle · Casual

Samorost 1
Shared: Casual · Point & Click · Puzzle

Zup! 2
Shared: Casual · Puzzle · 2D

Zup! 8
Shared: Casual · Puzzle · 2D