Top similar games like Astro Busters:

A retro space shoot 'em up with pixel art graphics, unique enemies, tough angry bosses, and a killer soundtrack. You are among the first pilots to arrive in the system to mount the counteroffensive against the aggressors. Get out there and show these aliens the price for messing with The Alliance!

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.

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.

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.

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.

Blast through waves of alien enemies in Project AionIX! Master your piloting skills, dodge, and survive in this fast-paced space shooter!

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

A top-down "bullet-heaven" roguelite where you play as a futuristic space marine. Use a variety of damage and utility abilities in your attempt to survive. Earn tokens to spend on permanent character upgrades, ability upgrades, and ability mods that allow you to customize your playstyle.

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!

This is a retro space shooting game, where you only fight against the strongest enemy. There are 15 unique bosses in the game, and players need to use different weapons and strategies to defeat them. Dedicated to you who are both challengers and retro game lovers.

You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Grab your pickaxe and enter the mines! Search for treasures and fight against other miners in this fast, round-based multiplayer game (up to 10 players over LAN or internet). Comes with a map editor and an addictive single player endless mode where you fight waves of enemy monsters.

An arcade style ship vs ship stealth battle. Find them before they find you. Destroy their ship before they destroy yours. Only skill will determine the victor.

Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.

Star Jet Alpha is a top-down space shooter inspired by classic arcade games. Progress through each stage by blowing up enemy space stations while avoiding or destroying enemy missiles, space mines and asteroids. Unlock Star Jet capabilities by completing stages.

Zone of Lacryma is a story driven vertical shmup with 11 levels, highscores, speedrunning, upgrades and more.

Can "Super Meteor" save the universe from the space debris created by the development of space by the people of Earth?

A fast-paced shoot 'em up where skill matters. Master over 100 ships, unleash powerful special abilities, and blast through waves of Invaders. Play a new mission every day and climb the world-wide leaderboards.

Frenetic 2D action in the style of Space Invaders! Customize your spaceship, face hordes of enemies, and challenge yourself in multiple modes, including Campaign, Arcade, Invasion, and Survival. Upgrade your ship, collect power-ups, and face unique challenges in every battle.

The humanity succumbed against the power of a aliens intergalactic empire, but managed to organize and establish a resistance army. Join the rebellious seekers of peace and help them defeat the evil that haunts the Earth.

A shooter in the space arena, in which you grow from a small, clumsy to a powerful capital spaceship, using resources obtained from destroyed hordes of enemies and other cosmic evil.

Scrap Bastion is a strategy tower defense game where you manage your city, equipping it to survive the waves of mutant creatures, testing your planning and decision making capacities at every turn. Watch out, as time is crucial to win!

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

You're stranded in space in an asteroid field. Use your ship to smash through fuel-rich asteroids for points and fuel, and use any power-ups you find along the way. But remember, an empty fuel tank is just as deadly as an asteroid. The void of space is a tough place to be, but you can't stop now.

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.

Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

Repel extraterrestrial entities!

Grab up to 3 friends and defend the sun from swarms of enemies in this local coop twin stick shooter. Siphon energy from the sun and shoot as many attackers as you can to claim the high score before it explodes! Fight over experience and upgrade your ship to keep up with the ever-mounting pressure.

You are military volunteer. what? you did not volunteer? It's too late! You are already in the middle of the battlefield. kill the alien for the humanity! Marine Survivors is simple action rogue lite game. kill aliens, earn exp gem, upgrade your weapon. unlock various collection.

【About "The Hurricane of the Varstray"】"The Hurricane of the Varstray" is a vertically scrolling shoot'em up with a SF story: in the distant future, to defend the Earth against the invasion of mystery mechanical structures, 4 girls head to "the Varstray sector," far away from the Earth and considered as the v

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of bullets.

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

Step into the shoes of Corelatine Rangers Ralph and Brad, as they steer their way through Asteroid Fields and Monsters a-plenty, to arrest Dr. Jillkoy - A menace known for his deadly atrocities towards intergalactic citizens. Do you have what it takes to see him behind bars?

Control the cool, steel body of The Zyxterminator to terminate wave after retrowave of space spawn in rad, bombastic style. Unleash an arsenal of weaponry to eliminate your foes while you discover secrets and complete bonus objectives to maximize your bounty payout.