Games like Skeleton Boomerang
Games like Skeleton Boomerang include Katana ZERO, Shovel Knight: Treasure Trove, Celeste, Hollow Knight, and Pizza Tower. We matched them by the tags players give Skeleton Boomerang on Steam (Action, Indie, Platformer, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Katana ZERO
Shared: Action · Great Soundtrack · Pixel Graphics

Shovel Knight: Treasure Trove
Shared: Platformer · Great Soundtrack · Indie

Celeste
Shared: Great Soundtrack · Indie · Pixel Graphics

Hollow Knight
Shared: Platformer · Great Soundtrack · Indie

Pizza Tower
Shared: Great Soundtrack · Indie · Platformer

Hotline Miami
Shared: Action · Great Soundtrack · Indie

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

Broforce
Shared: Action · Pixel Graphics · 2D

Risk of Rain (2013)
Shared: Indie · Action · Platformer

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · 2D

Axiom Verge
Shared: Indie · Action · Platformer

Super Meat Boy
Shared: Indie · Platformer · Pixel Graphics

Out There Somewhere
Shared: Indie · Platformer · Pixel Graphics

SANABI
Shared: Action · Pixel Graphics · Indie

Freedom Planet
Shared: Action · Great Soundtrack · Platformer

The Messenger
Shared: Platformer · Pixel Graphics · Great Soundtrack

Sonic Mania
Shared: Great Soundtrack · Platformer · 2D

Cuphead
Shared: Platformer · Great Soundtrack · Indie

Dust: An Elysian Tail
Shared: Action · Indie · Platformer

Hotline Miami 2: Wrong Number
Shared: Great Soundtrack · Action · Pixel Graphics

VVVVVV
Shared: Indie · Platformer · Pixel Graphics

BlazBlue Entropy Effect
Shared: Action · 2D · Platformer

Gravity Circuit
Shared: Action · Indie · Platformer

Duck Game
Shared: Action · Pixel Graphics · 2D