Games like Turbo Shell
Games like Turbo Shell include Celeste, Super Meat Boy, VVVVVV, Katana ZERO, and SANABI. We matched them by the tags players give Turbo Shell on Steam (Precision Platformer, 2D Platformer, Action, Pixel Graphics, and Space): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

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

VVVVVV
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer

SANABI
Shared: Pixel Graphics · Action · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Indie

Downwell
Shared: Precision Platformer · Pixel Graphics · 2D Platformer

Jump King
Shared: Precision Platformer · Pixel Graphics · Action

Gravity Circuit
Shared: Action · Pixel Graphics · 2D Platformer

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · Indie

Geometry Dash
Shared: Precision Platformer · 2D · Singleplayer

Ambidextro
Shared: Precision Platformer · 2D Platformer · Action

The End Is Nigh
Shared: Precision Platformer · Platformer · Action

Out There Somewhere
Shared: Pixel Graphics · Platformer · Action

The Messenger
Shared: Pixel Graphics · Platformer · Action

Defy Gravity Extended
Shared: Space · Action · Platformer

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Platformer · Action

Hotline Miami
Shared: Action · Pixel Graphics · Indie

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Pixel Graphics

Azure Striker Gunvolt
Shared: Action · Pixel Graphics · Platformer

Hollow Knight
Shared: Platformer · 2D · Singleplayer

Super Meat Boy Forever
Shared: Precision Platformer · Action · Indie

Axiom Verge
Shared: Pixel Graphics · Action · Indie

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Fast-Paced