Top similar games like Cosmicon Plague:

ATOMIC GUARDIANS is a fully CO-OP arcade retro shoot 'em up, where one player flies the ship, and the other player mans the shields. Fight your way through a never ending horde of Brutal Bosses, Alien Monsters and Gigantic Asteroids as you rack up a new world-wide high score. Play with up to three friends, and see how long you can last!

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!

A fast-paced roguelike space shooter where every credit counts. Fight through dangerous sectors, upgrade your ship mid-battle, and convert your earnings into permanent power. Because when you die, you keep what matters.

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!

The Swan EM-43DSC... A experimental fighter jet blasts through the skies of the New East/West. And as the pilot clutches her yoke, she commits to her rebellion knowing full well, that her mission is not for the faint of heart....

Earthion is a side-scrolling space shooter developed natively for 16-bit systems. Guide space fighter pilot Azusa Takanashi in her fight to repel the alien invaders and save planet Earth.

A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

A shmup without shooting. Reflect the bullets with one of your two shields. Bite-sized arcade action. Cover humankind's retreat and make it count.

Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

Synth-wave styled physics based 2D puzzle shooter filled with nods to the golden era of classic arcade games. Think upside down Peggle crossed with Space Invaders and enemies crafted from the blended remains 70's, and 80’s gaming.

The machine world of Molybdion has fallen into disarray. As Nidhogg eats the root of the planet, unending wars rage on the surface! Slice your way through hordes of metallic foes in five frantic levels, defeat fearsome bosses, and dodge countless bullets in this vintage vertical shoot 'em up.

Blast through waves of enemies, collect powerups and test your skills against challenging bosses. It is a modern take on classic space shooters, blending accessible gameplay with roguelite progression. Compete for the top spot on the global leaderboards in 15 minute runs.

Fight endless waves of enemies in a fast-paced roguelite space survivor. Build devastating ship combinations, unlock powerful upgrades and survive the void.

Dodge and shoot your way through waves of enemies. REVO is a high speed, neon drenched space shoot ‘em up inspired by arcade classics of the 1980’s. Collect pickups, unlock powerful, ammo hungry weapons, and defeat giant bosses.

The critically acclaimed update to the Space Invaders franchise has arrived to invade Steam with greatly improved graphics and audio! Packed with pulsing, vibrant visuals enhanced further by interactive sound. The invaders have evolved, the question is: can you keep up?

Dodge, dash, and blast through five handcrafted worlds in a fast pixel-art arcade shooter built for score chasing, boss fights, and perfect runs. Free demo available.

Star Knight: Order of the Vortex is a rogue-lite, bullet-hell, shoot-em-up with the ability to create unique builds and synergies as you test your skills in action-packed gameplay. Choose your crew, upgrade your ship, and explore the unknown depths of the Vortex.

BroodStar is a classic arcade shmup with roguelike elements. Acquire crazy item combos, encounter strange events and fight challenging bosses on a quest to destroy the living planet, the BroodStar.

A 2D vertical shoot 'em up that lets you upgrade your ship with an insane amount of options. From missiles and pods to specials and shields, you can upgrade every bit of your ship from guns to thrusters.

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.

Punch, whip, and zipline your way through a post-apocalyptic America in this 16-bit retro-style action platformer! Play as Taro Takahashi, a resistance soldier on a revenge mission against the dictator who lords over the ashes.

Hyper Gods is a 2D cinematic 80's-influenced shoot'em up that places you in frantically fast 1v1 battles against the Gods. Dodge, boost and shoot your way to protect Mankind and prevent its extinction!

NightFang is a vertically scrolling Shmup that wears its inspirations on it's sleeve.  It's all 80s/90s Anime/VHS inspired, rendered in delicious  3D disguised as 2D. Youth is a falling star. Rise up against the Crimson Scourge.

A new and innovative retro jump game with simple gameplay to soothe the heart.

80's neon drenched, couch co-op, endless high score fest, space arcade shooter!

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.

A retro shooter with a new power: the power to become any ship.Lost in the depths of space, you are a being of pure psychic energy with the uncanny power to take over and control anything you see in order to survive.Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies.

Cyberhunt is a retro procedurally generated twin stick shooter, that takes you back to the sweet to the sweet arcade machines era!

Master the difficult art of dodging bullets while blasting thruster flame in the face of your enemies. No guns, no upgrades, no level-ups. Just your reflexes against an endless bullet hell maze of death. How long will you survive?

Escape the Maze of Malice in this frantic 2D top-down shooter!

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

Sidescrolling Shoot’em’up that will transport you back into the 90s (and space).

A bullet hell shmup with a secret. 100 waves, 20 bosses, and the slow realization that the sector you're purging isn't a sector. You are not crossing the void. You are inside it. Now with local co-op: two pilots, one screen.

INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again!