Games like Spectacular Sparky
Games like Spectacular Sparky include Broforce, SANABI, Katana ZERO, Shovel Knight: Treasure Trove, and Huntdown. We matched them by the tags players give Spectacular Sparky on Steam (Action, Platformer, Shooter, Side Scroller, and Story Rich): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Platformer · Pixel Graphics

SANABI
Shared: Action · Story Rich · Pixel Graphics

Katana ZERO
Shared: Action · Platformer · Pixel Graphics

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

Huntdown
Shared: Action · Shooter · Side Scroller

My Friend Pedro
Shared: Action · Shooter · Platformer

Duck Game
Shared: Action · Pixel Graphics · Platformer

Half-Life 2
Shared: Action · Shooter · Story Rich

Pizza Tower
Shared: Platformer · Action · Pixel Graphics

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

BioShock Infinite
Shared: Action · Shooter · Story Rich

Warhammer 40,000: Boltgun
Shared: Action · Shooter · Pixel Graphics

Portal 2
Shared: Platformer · Story Rich · Action

Gravity Circuit
Shared: Action · Platformer · Pixel Graphics

Marvel's Guardians of the Galaxy
Shared: Action · Story Rich · Sci-fi

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

Intrusion 2
Shared: Action · Platformer · Shooter

The Messenger
Shared: Platformer · Pixel Graphics · Action

Axiom Verge
Shared: Platformer · Action · Pixel Graphics

Blazing Chrome
Shared: Action · Side Scroller · Pixel Graphics

Soda Crisis
Shared: Action · Side Scroller · Shooter

HELLDIVERS™ 2
Shared: Action · Shooter · Sci-fi

Super Meat Boy
Shared: Platformer · Pixel Graphics · Action

Mass Effect™ Legendary Edition
Shared: Story Rich · Action · Sci-fi