Games like Swatch Out!
Games like Swatch Out! include Rogue Legacy 2, Pizza Tower, Pumpkin Jack, Streets of Rage 4, and A Dance of Fire and Ice. We matched them by the tags players give Swatch Out! on Steam (Action, Indie, Arcade, Cartoony, and Colorful): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Arcade · Action · Indie

Pizza Tower
Shared: Indie · Cartoony · Action

Pumpkin Jack
Shared: Action · Indie · Colorful

Streets of Rage 4
Shared: Action · Indie · Arcade

A Dance of Fire and Ice
Shared: Indie · Arcade · Colorful

Rift of the NecroDancer
Shared: Indie · Action · Arcade

Super Hexagon
Shared: Indie · Arcade · Action

Project Wingman
Shared: Action · Indie · Arcade

BARRIER X
Shared: Indie · Action · Arcade

Shooty Skies
Shared: Action · Indie · Arcade

ALTF4
Shared: Action · Arcade · Colorful

Exit the Gungeon
Shared: Indie · Action · Arcade

UFO 50
Shared: Indie · Action · Arcade

The Mean Greens - Plastic Warfare
Shared: Action · Indie · Colorful

Twin Shot Deluxe
Shared: Action · Arcade · Colorful

Windowkill
Shared: Action · Indie · Arcade

Music Racer
Shared: Indie · Action · Arcade

LUFTRAUSERS
Shared: Indie · Action · Arcade

Melatonin
Shared: Indie · Colorful · Action

MOUSE: P.I. For Hire
Shared: Action · Cartoony · Indie

Alex Jones: NWO Wars
Shared: Action · Arcade · Cartoony

UBERMOSH
Shared: Action · Indie · Arcade

Anger Foot
Shared: Action · Arcade · Colorful

Guacamelee! Super Turbo Championship Edition
Shared: Action · Indie · Colorful