Games like Super Destronaut
Games like Super Destronaut include Broforce, UFO 50, Cyberhunt, METAL SLUG, and Huntdown. We matched them by the tags players give Super Destronaut on Steam (Action, Cartoon, Shoot 'Em Up, Arcade, and Space): closest matches first, and among equally close ones the better-known games.

Broforce
Shared: Action · Pixel Graphics · Local Co-Op

UFO 50
Shared: Action · Pixel Graphics · Arcade

Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade

METAL SLUG
Shared: Action · Arcade · Shoot 'Em Up

Huntdown
Shared: Action · Pixel Graphics · Shoot 'Em Up

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

PARTICLE MACE
Shared: Action · Arcade · Shoot 'Em Up

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

Streets of Rage 4
Shared: Action · Arcade · 2D

METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up

Blazing Chrome
Shared: Action · Shoot 'Em Up · Pixel Graphics

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Action

Vampire Survivors
Shared: Pixel Graphics · Action · Arcade

Revolution Ace
Shared: Action · Shoot 'Em Up · Arcade

METAL SLUG 3
Shared: Action · Arcade · Local Co-Op

Duck Game
Shared: Action · Pixel Graphics · 2D

Pixel Gun 3D: PC Edition
Shared: Action · Pixel Graphics · PvP

LUFTRAUSERS
Shared: Action · Arcade · Shoot 'Em Up

Distant Space
Shared: Shoot 'Em Up · Arcade · Action

ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade

METAL SLUG 2
Shared: Action · Arcade · Shoot 'Em Up

ARCADE GAME SERIES: GALAGA
Shared: Action · Arcade · Shoot 'Em Up

Bud Spencer & Terence Hill - Slaps And Beans
Shared: Action · Arcade · Pixel Graphics

Timberman
Shared: Action · Pixel Graphics · Arcade