Games like Spellthief Erinn
Games like Spellthief Erinn include Webbed, FEZ, ANIMAL WELL, Thank Goodness You're Here!, and Öoo. We matched them by the tags players give Spellthief Erinn on Steam (Adventure, Arcade, Platformer, Puzzle, and Mystery Dungeon): closest matches first, and among equally close ones the better-known games.

Webbed
Shared: 2D Platformer · Platformer · Exploration

FEZ
Shared: Platformer · Puzzle · Adventure

ANIMAL WELL
Shared: Puzzle · Platformer · Exploration

Thank Goodness You're Here!
Shared: Adventure · Exploration · Platformer

Öoo
Shared: Puzzle · Platformer · 2D Platformer

Rain World
Shared: Platformer · Exploration · Adventure

Pikuniku
Shared: Adventure · Puzzle · Platformer

Slime Rancher
Shared: Adventure · Exploration · Cute

Neva
Shared: Adventure · Platformer · Puzzle

Hollow Knight
Shared: Platformer · Adventure · 2D

Celeste
Shared: Platformer · 2D Platformer · Adventure

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

Outcore: Desktop Adventure
Shared: Adventure · Puzzle · Exploration

LIMBO
Shared: Platformer · Puzzle · Adventure

Out There Somewhere
Shared: Platformer · Adventure · Puzzle

Pizza Tower
Shared: Platformer · 2D Platformer · Indie

Reventure
Shared: Adventure · Platformer · 2D

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Indie

Antonball Deluxe
Shared: Adventure · Arcade · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · 2D

OneShot
Shared: Puzzle · Adventure · Pixel Graphics

A Hat in Time
Shared: Adventure · Platformer · Cute

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Exploration · Platformer

Rogue Legacy 2
Shared: Arcade · Platformer · Adventure