Games like Editarrr
Games like Editarrr include Terraria, Sonic Origins, Webbed, FEZ, and SANABI. We matched them by the tags players give Editarrr on Steam (2D Platformer, Exploration, Strategy, Action, and Casual): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Sandbox · Exploration · Adventure

Sonic Origins
Shared: 2D Platformer · Action · Casual

Webbed
Shared: 2D Platformer · Exploration · Pixel Graphics

FEZ
Shared: Exploration · Puzzle · Platformer

SANABI
Shared: 2D Platformer · Action · Pixel Graphics

Scribblenauts Unlimited
Shared: Casual · Puzzle · Sandbox

UFO 50
Shared: Action · Strategy · Pixel Graphics

ANIMAL WELL
Shared: Exploration · Puzzle · Platformer

Öoo
Shared: 2D Platformer · Exploration · Puzzle

DAVE THE DIVER
Shared: Casual · Exploration · Pixel Graphics

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

Leap Year
Shared: Exploration · 2D Platformer · Puzzle

Planet of Lana
Shared: Action · 2D Platformer · Puzzle

Thank Goodness You're Here!
Shared: Exploration · 2D Platformer · Casual

Slime Rancher
Shared: Exploration · Adventure · Sandbox

Katana ZERO
Shared: Action · 2D Platformer · Platformer

SPORE™
Shared: Exploration · Sandbox · Casual

BEEP
Shared: Platformer · Action · Puzzle

Growtopia
Shared: Casual · Exploration · Sandbox

The Escapists
Shared: Strategy · Action · Pixel Graphics

Sonic Superstars
Shared: 2D Platformer · Action · Casual

Scribblenauts Unmasked: A DC Comics Adventure
Shared: Action · Casual · Strategy

Monument Valley 2
Shared: Strategy · Casual · Action

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