Top similar games like Astro Busters:

Grab the fate of all life in your hands. Blast your way through the cosmos, destroying monstrous cosmic beasts and the space cultists summoning them, on your path to stopping your mother from unleashing the chaos realm upon the universe, in this sci-fi cosmic horror bullet-hell, STARR RINGER.

A retro-inspired 2D space shoot-em-up. Mine asteroids! Shoot alien saucers! Get rich or die flying!

Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!

Space God is a 'hyper retro neon' style top-down shooting game. Play in single player, online co-op mode, or online multiplayer. Don't stop, keep moving! and you might survive... maybe.

Classic Asteroids® updated with modern gameplay and perfected controls. Explore hazardous environments and sneak around asteroids to surprise attack giant bosses. Upgrade your ship to use additional power-ups. Single player or fight with up to 3 friends with intense local coop.

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Cosmotrons is a cosmic battleground where skill and strategy collide. Choose your ship and customize its weaponry, engage in epic dogfights, navigate treacherous environments and outmaneuver your opponents in intense, fast-paced multiplayer battles. Are you ready to become a true space ace?

Cosmoscope is a top down twin stick shooter with a twist. The game combines the frantic action of classic space shooters with unique kaleidoscope inspired gameplay. Tasked with defending Humanity against a mysterious alien race, you will need to use both firepower and your quick wits to survive.

Space Waver is an action-adventure-shooter space game, with a strong bind to comics. Become a space mercenary and experience his life through multiple contracts.

A co-op sci-fi featuring scrap, piracy, and your talkative line manager Clara.

In Pharao Reloaded you find yourself in the maze of an Egyptian pyramid full of treasures, monsters and potions. Each pyramid is more difficult than the previous one. Can you find the exit in time before the pyramid kills you? How far will you come? And can you survive your friends?

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Plasmarena is a top down arena shooter ideal for casual play with friends. Shatter them to pieces in an endless arena of digital death!

Your job is to locate and transport the containers to your base avoiding enemies on your way. Your ship is equipped with a hook to carry the containers. This is a physics based arcade game, inspired on the very early classics and with a strong Commodore 64 feel on it.

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Defy the laws of space and master every trajectory in Orbital Survivor, a 2D survivor-like game where you optimise your movements and shots thanks to gravity. Play as smuggler Cassidy and unleash your arsenal in a ruthless retro-synthwave universe.

Repel the humans! Safeguard the future of all alienkind! Fueled by a large selection of quirky upgrades and power-ups, strengthen the alien alliance to destroy Humanity's Last Hope in this fast-paced retro action-arcade shooter with roguelite and tower defense elements.

Vertical Fighters is a top-down shooter with a tactical Rock-Paper-Scissors twist! Enjoy playing as dozens of units across 4 unique classes that hard-counter each other. Experience desperate cooperation and fiendish treachery. Customise your loadouts, camos and pilots for maximum skill expression!

WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.

Throst is a 2D-retro-arcade-action adventure about precision flying under constant gravity. Dive through tight tunnels, outmaneuver and destroy defenses. Grab the enemy’s energy orbs, and blast your way back to orbit before you’re crushed or shot down.

Super Arcade Boy returns in a retro shoot ’em up with 8 levels, waves of Greenies, power-ups, and 8 big boss battles. Talk with the alien leader—then save the planet.

Take control and annihilate every invading enemy and stronghold! < STRECT > is a score-attack vertical shmup supporting 1-2 players. Featuring pure mechanics that emphasize destruction and dodging, satisfying explosion effects, and deep hidden secrets, the fight awaits you.

Nebula Invasion was designed for those who enjoy the classic type arcade games, a spaceship shooter with great game play. Aliens attack many different ways from marching to dive bombing. You have the tools to fight back with a ship that can power-up with double, triple, rapid fire, or plasma cannon.

Combining retro puzzles and a arcade space shooter. You and your crew found strange materials in the galaxy core to upgrade your ship to the most powerful. While collecting core materials you came across something unbelievable ... The Core Message. The Core Message changes everything.

Gravity Ace is a 2D twin-stick where you fight gravity in space caves. Descend into dark caverns, fly and blast your way past enemies, retrieve the reactor core and make your escape, all while fighting the deadly embrace of crushing gravity. Do you have what it takes, pilot?

A semi sci-fi online PVP FPS shooter game with multiple maps, various weapon categories to master, incredibly fast paced movement with cool futuristic jetpack and jumppads around the map. Pickup armors and take control over enemy spawn to completely annihilate them

Retro-inspired arcade-style shooter. Save humanity from incoming waves of flaming hot meteors, alien ships hell-bent on destroying humanity, and the strangeness of space by shooting, blasting and nuking incoming waves of meteors and enemies.

Another version of the classic Asteroids game

Multiplayer game of hiding and seeking, also with bots. Become an alien and use stealth to deceive others, or a marine and survive long enough to escape.

In the distant year of 2359, previously unknown alien forces have attacked Earth and its colonies. You are an agent on a special mission sent by the global senate to repel the attack and stop the alien forces. 

ZANAC-like Ultra High-Speed Scrolling 2D Shooter Humanity suffered a crushing defeat in the war against the sentient AI, RA6 the Great Sovereign, losing 70% of the global population. Now, you board the anti-AI fighter MSX-3 Arondight, and launch into the final battle against the Sovereign.

Welcome back to 1996! This shared screen space shooter is the perfect 4-player competitive game for some casual fun!

Pilot a momentum-driven ship through the cooled remains of dead star systems. Master a growing arsenal, take on 10+ unique epic bosses, and tackle four sectors your way. The world is seed-generated — build and share your own in the free level editor.

AREA WARS™ is a fast-paced 2D omnidirectional shooter where you battle enemies from every direction in a constantly changing enclosed area. Defeated enemies trigger chain explosions that engulf nearby foes and boost your score multiplier. Built for short, repeatable runs with score-focused gameplay.

Assault Wing is a free 2D side scrolling retro PvP shooter. You will choose your ship, special weapon and ship modification. The arenas are physics based with destructible terrain. See who of your friends is best with the global ranking system.