Games like Spinebreaker
Games like Spinebreaker include Geometry Dash, Celeste, Super Meat Boy, Cuphead, and Thomas Was Alone. We matched them by the tags players give Spinebreaker on Steam (Precision Platformer, Platformer, Physics, 2D, and Side Scroller): closest matches first, and among equally close ones the better-known games.

Geometry Dash
Shared: Precision Platformer · 2D · Platformer

Celeste
Shared: Precision Platformer · Platformer · 2D

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

Cuphead
Shared: Platformer · 2D · Local Co-Op

Thomas Was Alone
Shared: Platformer · Precision Platformer · Side Scroller

Rayman® Origins
Shared: Platformer · 2D · Cartoony

Sonic Mania
Shared: Platformer · 2D · Colorful

Hollow Knight
Shared: Platformer · 2D · Singleplayer

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

Pizza Tower
Shared: Platformer · Cartoony · Indie

Guacamelee! 2
Shared: Platformer · Cartoony · 2D

LIMBO
Shared: Platformer · 2D · Indie

Guacamelee! Super Turbo Championship Edition
Shared: Platformer · 2D · Cartoony

Broforce
Shared: 2D · Platformer · Side Scroller

BEEP
Shared: Platformer · 2D · Physics

Jump King
Shared: Precision Platformer · Platformer · 2D

Mark of the Ninja
Shared: Platformer · 2D · Side Scroller

Hollow Knight: Silksong
Shared: 2D · Platformer · Indie

Rogue Legacy
Shared: Platformer · 2D · Singleplayer

Intrusion 2
Shared: Platformer · 2D · Physics

VVVVVV
Shared: Precision Platformer · Platformer · 2D

The End Is Nigh
Shared: Precision Platformer · Platformer · 2D

Webbed
Shared: Physics · Platformer · 2D

Skul: The Hero Slayer
Shared: 2D · Platformer · Indie