Games like Super Ultra Monster Smash!
Games like Super Ultra Monster Smash! include War Thunder, Contractors, Jet Island, Goat Simulator, and Retrowave. We matched them by the tags players give Super Ultra Monster Smash! on Steam (Action, Indie, Simulation, and Casual): closest matches first, and among equally close ones the better-known games.

War Thunder
Shared: Action · Simulation · VR

Contractors
Shared: Action · VR · Indie

Jet Island
Shared: Action · Indie · VR

Goat Simulator
Shared: Simulation · Indie · Casual

Retrowave
Shared: Indie · Action · Casual

KovaaK's
Shared: Action · Simulation · Indie

Project Wingman
Shared: Action · Indie · VR

Hard Bullet
Shared: Action · VR · Simulation

Accounting+
Shared: Indie · Action · Casual

Achievement Clicker
Shared: Indie · Casual · Simulation

Drug Dealer Simulator
Shared: Action · Simulation · Indie

Moving Out
Shared: Action · Indie · Casual

Gang Beasts
Shared: Action · Casual · Indie

The Drone Racing League Simulator
Shared: Action · Simulation · Indie

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Sparkle 2 Evo
Shared: Indie · Action · Casual

Wobbly Life
Shared: Simulation · Action · Casual

BONEWORKS
Shared: Action · VR · Simulation

Into The Flames
Shared: Action · Simulation · Casual

House of the Dying Sun
Shared: Action · Simulation · Indie

Russian Life Simulator
Shared: Simulation · Indie · Action

Passpartout: The Starving Artist
Shared: Indie · Simulation · Casual

House Flipper
Shared: Simulation · Casual · Action

New Retro Arcade: Neon
Shared: Simulation · Indie · VR