Top similar games like Clusterbug:

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!

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.

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

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Fight against waves of enemies to become the ultimate space survivor. Arcade Space Survivor is an arcade-styled action-roguelike. The game offers an innovative and unique experience within the survivors-like genre.

Chaotic boss-rush, bullet-hell-y, twin-stick arena shooter mayhem! Dynamically changing arena forces you to be vigilant: Watch the bullets, watch the walls!

A linear danmaku shoot-em-up with some visual novel elements. Clear 6 stages across 4 difficult settings, each with unique enemy spawns, bullet patterns and boss phases. The game is structured to have each difficulty cleared in sequence, with the full plot unfolding across each one. 

Neon Fighter is a tiny arcade game packed with lasers and explosions, in which every few seconds you are forced to switch weapons automatically, making you have to adapt quickly to the new situation and re-evaluate your perspective.

The Rush is a horizontally scrolling shoot 'em up with graphics inspired by classic space shooters of the MSX. Buckle up and see if you have what it takes to master the highly adaptive Chameleon Quartz space fighter and single-handedly obliterate the alien invaders!

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.

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

Distant Space are present the arcade game of cosmic fights in arcade style of the 80's, this is a game where you can control the spaceship and forced to destroy extraterrestrials, which are moving in the certain order.

Still reeling from the life-changing events of the previous episode, Gail seeks out a safe haven with her father in the Delta Pavonis system. However, she soon learns that the politics of Planet Leto can be as treacherous and unpredictable as the local weather.

"Don't go to GALXAGAR"; a phrase uttered by many who have traversed its rim. Untold treasures, and terrors, await within its blackened depths. Ready your craft, spacefarer, because you're about to enter the most dangerous sector in all the stars. Get ready.. for GALXAGAR!

See how long you can survive missile bombardment in space.

Dash through a storm of missiles in this top-down arcade action game, reading enemy patterns, choosing your line, breaking through targets, recovering supplies, and opening portals across a handcrafted campaign that ends in carrier and dreadnought battles.

Punch through the cosmos! An arcade-inspired shoot-em-up where you play as an immortal lobster speeding through space.

Destroy enemies, bosses and everything you see ahead!! Get crystals to buy better starships and get stronger. Have fun in three different game modes.

This roguelike spaceshooter pits waves of enemies against you in your pursuit to reach the end of the galaxy. Improve your ship with permanent upgrades and select temporary upgrades during a run to pursue achievements and and kill bosses.

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.

MEGALITH is a difficult Bullet-Hell Boss-Rush where you fight against megalithic machines in a tiny spaceship.

ASTRO: The Beginning is a dynamic side scrolling shoot 'em up about a close-knit space team caught in a clusterf*ck of epic proportions.Unravel the evil plans of your foes and secrets of world order while taking down various types of enemies and engaging in crazy boss battles.

The SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.

Dodge asteroids attracted to your gravitational pull and use the profits generated from their collisions to unlock a variety of different spaceships with different abilities. Reach for High Scores to unlock unique skins for each ship.

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!

Repel extraterrestrial entities!

A wormhole has opened up letting aliens terrorize your city. Pilot your spacecraft and destroy the aliens using flamethrowers, missiles, gatling guns, shockwaves, and more!

A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.

Guide the Gamma Brothers through waves of alien attacks, blasting your way home from work in this frantic twin-stick space shooter about brotherly love.

Star Waker allows you to command customizable spaceships with the mission to show your agility in order to save mankind.

You’re a mediator trying to prevent an interplanetary conflict. How will you do it? By destroying infrastructure, overthrowing a monarchy, wiping out a hive, and eradicating half of a nebula… All this and more in ITZO, an 8-bit bullet hell game!

Well, the physpace is being destroyed, glitching by numerous hordes of malicious duplicating codes from the bitspace. People are panicking, we must send our final attempt to fix the issue, you must be trained to fix the bitspace and survive in it during the process, in its current, decaying status.

Fast top-down space shooter with varied missions, relentless enemies, powerful ship upgrades, and most importantly, fire.

Gameboy-aesthetic auto-shooter with tough handmade stages across several game styles. Choose from six total playable characters while collecting dozens of unique power-ups and rocking out to a chiptune-guitar fueled soundtrack.