Games like Arthur's Birthday
Games like Arthur's Birthday include CHUCHEL, Storyteller, Scribblenauts Unlimited, Return to Monkey Island, and Pajama Sam: No Need to Hide When It's Dark Outside. We matched them by the tags players give Arthur's Birthday on Steam (Casual, Education, Family Friendly, Point & Click, and Cartoon): closest matches first, and among equally close ones the better-known games.

CHUCHEL
Shared: Casual · Point & Click · Cartoon

Storyteller
Shared: Point & Click · 2D · Interactive Fiction

Scribblenauts Unlimited
Shared: Casual · Family Friendly · Adventure

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

Pajama Sam: No Need to Hide When It's Dark Outside
Shared: Casual · Point & Click · Family Friendly

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

Freddi Fish and the Case of the Missing Kelp Seeds
Shared: Family Friendly · Point & Click · Casual

Bloons TD 6
Shared: Casual · Family Friendly · Singleplayer

Machinarium
Shared: Point & Click · 2D · Casual

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

Putt-Putt® Saves The Zoo
Shared: Casual · Family Friendly · Point & Click

Incredibox
Shared: Casual · 2D · Family Friendly

Florence
Shared: Casual · Adventure · Interactive Fiction

That's not my Neighbor
Shared: Casual · Point & Click · Adventure

Lil' Guardsman
Shared: Casual · Point & Click · Adventure

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

Spy Fox in "Dry Cereal"
Shared: Casual · Point & Click · Family Friendly

Melvor Idle
Shared: Casual · 2D · Adventure

SpongeBob SquarePants: Battle for Bikini Bottom - Rehydrated
Shared: Family Friendly · Adventure · Casual

Zoombinis
Shared: Casual · Education · Family Friendly

Kingdom Rush - Tower Defense
Shared: Casual · 2D · Singleplayer

My Friend Peppa Pig
Shared: Family Friendly · Casual · Adventure

Castle of Illusion
Shared: Casual · Family Friendly · Adventure

Vampires' Melody
Shared: Casual · Adventure · Interactive Fiction