Top similar games like Cosmo Blaster:

ShapeNeon Chaos is an old school style space-shooter. You are a ship facing off waves of deadly enemies. This game was made to give you a shot of adrenaline in a couple of minutes. Lots of bullets and neon in an arcade psychedelic shooter!

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.

Bullet hell about destroying computers. Be the ultimate bug you ever wanted to be. Swarm those capacitors and break the boards! [THIS GAME IS STILL IN DEVELOPMENT]

Do you ever want to just relax and slaughter something? Well, lucky for you, the pigs have gone mad! They are destroying everything! So grab your trusty double-barreled friend and put an end to this Bacon Rebellion!

A topdown bullet hell game where you control a spaceship and fight waves of asteroids and enemy spaceships.

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.

Hello World!! This game is based on the image of a Japanese arcade game from the 70's to early 80's where you could easily play by inserting 1 coin. The player will work hard at his sales job to save L.Planning, a company that has been reincarnated into another world.

BulletGarden is a 2D vertical shooting gamewhere you explore a planet where the seeds you sow blossom into weapons.You can handle about 300 different types of weapons,each with its own unique characteristics.

Retro style 2D vertical scrolling simple shooter.

Orchid Glitter is late 2000s style 2d shmups. This isn't just a bullet-hell shooter where you dodge bullets. The game design also includes features like eliminating bullets with charge attacks, and earning points and resources by taking dangerous actions.

Breakout game + physics + shooting + building. Use your mouse like in air hockey to kick enemy bombs back into the evil Black Castle! Destroy enemy towers rockets and lasers. Build your base to protect your little dudes - you need them to win

BEAT THE MONS is simple pixel auto shooter. Dodge, shoot, beat all these monsters and earn score! Life is not much else...

A wave-based action game, where you fight to survive for as long as you can.

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.

Repel extraterrestrial entities!

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

80's vector style Twin stick action with a booming soundtrack and permadeath.

Catboy in a bullet hell! Nyan, nyan, pew pew pew!

Gun your way towards survival in this action arcade adventure! Use your fuel supply to find upgrades to your ship and collect more fuel to keep progressing against harder and harder foes! Classic arcade action with a unique control scheme to pilot your ship.

Marimoth is a short shoot 'em up that puts in control of a moth whose shots bounce off the walls. Calculate your aim, evade enemy attacks by learning their patterns and collect coins to power up.

Test your reflexes in POLYGONEER, defend yourself from prolygonal shapes taht comes from everywhere, just hitting is not enough you need to match the right color shot to the polygon too! Are you ready for the challenge?

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.

Innovative arcade shooter that takes various elements from many classic and less-known games, and puts them together in a hectic mix. All in retro visuals and synthetic sonorities that recall the revered Commodore 64's SID chip.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

A modern spin on an old classic! Asteroids Millennium provides exciting new game play without departing from the feel of its predecessors. Collect power-ups, dodge threats, and blast away at asteroids and enemies alike in this survival game that is truly fun to play.

Breakpoint is a twin-stick slasher where your weapons explode. Break through the swarm to claim your spot on the online leaderboard.

Hyper Bullet is a top-down action game replenished with agreeable vaporwave aesthetics, pure joy of combat and gunplay rhythm.

This is bullet hell , bullet curtain and manic shooter 2D Game! Destroy enemies coming from all directions. It is a personal production game of high-vision visuals and music.

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

Shoot your enemies and try not to let them multiply themselves and turn the game into a chaotic space battle! Space Maxwell is an arcade shooter where your spaceship has the ability to destroy or to multiply your enemies. Climb the leaderboard and try to survive as long as you can!

Protecting Us From Incredibly Worrisome Extremely Hostile Oddities...is what you will be doing with your football! Defend the Earth from the invading disciples of the Deranged Octopus, and learn the ultimate secret of the Universe.

Killon is a retro shooter that features exhilarating combat, manic enemies and a charged cannon waiting to be unleashed. Fly a starship across the universe and restore the future today.

The Wrong Fly in the right place fights for the glory to become The Hole Master.

Mashup of classic arcade games.

Fight through immense waves of enemies and test yourself in this difficult, top-down shooter. Swap between short and long-range weapons to tackle any situation. Unlock and upgrade dozens of weapon combinations to customize your loadout. How long can you survive before you get OVERRUN!