Games like Gooey
Games like Gooey include Planet of Lana, Webbed, Celeste, David., and Geometry Dash. We matched them by the tags players give Gooey on Steam (2D Platformer, Action, Atmospheric, Stylized, and Physics): closest matches first, and among equally close ones the better-known games.

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

Webbed
Shared: 2D Platformer · Cute · Physics

Celeste
Shared: 2D Platformer · Precision Platformer · Platformer

David.
Shared: Action · 2D Platformer · Physics

Geometry Dash
Shared: Level Editor · Precision Platformer · Platformer

Superflight
Shared: Atmospheric · Action · Casual

N++ (NPLUSPLUS)
Shared: 2D Platformer · Action · Level Editor

Twin Shot Deluxe
Shared: Action · 2D Platformer · Casual

Shotgun Cop Man
Shared: Action · 2D Platformer · Precision Platformer

Brawlhalla
Shared: 2D Platformer · Action · Casual

Prince of Persia The Lost Crown
Shared: 2D Platformer · Action · Precision Platformer

SANABI
Shared: Action · 2D Platformer · Indie

Tribal Hunter
Shared: 2D Platformer · Action · Cute

Downwell
Shared: 2D Platformer · Action · Precision Platformer

Thomas Was Alone
Shared: 2D Platformer · Atmospheric · Platformer

A Dance of Fire and Ice
Shared: Level Editor · Action · Arcade

Distance
Shared: Level Editor · Action · Atmospheric

I wanna be the Creator
Shared: Action · Level Editor · 2D Platformer

Super Meat Boy
Shared: 2D Platformer · Precision Platformer · Platformer

Shio
Shared: Action · Stylized · Casual

Sonic Origins
Shared: 2D Platformer · Action · Casual

The Strongest TOFU
Shared: Action · 2D Platformer · Precision Platformer

Hoa
Shared: 2D Platformer · Atmospheric · Cute

BattleBlock Theater®
Shared: Level Editor · 2D Platformer · Platformer