Top similar games like Galaxy Annihilation:

Command destructive spaceships to obliterate hordes of enemy vessels, while quickly solving puzzles to weave through networks of vibrantly colorful, adversarial machines!

Saviors brings the best bullet hell experience you can find on Steam. Play through 18 challenging stages in this ultimate test of tactics and reflexes.

Cosmonator is an 'RPG-em-up': a hybrid of classic fast-paced top-down shoot-em-up action infused with deep character building elements. Build up your own unique alien-killing machine to avenge the destruction of planet Earth!

Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!

Call your friends and lead your squad through the outer space and protect your planet from asteroids and alien ships on this local shoot'em up. Shoot, evolve e explode these space enemies.

Solar Struggle is an arcade space shooter with a thrilling story and a challenging skirmish mode.

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 super fast, twin analogue shooter for the modern age!

This game is the answer to one of the most important questions in life: “I can haz lazer kitty?“ Yes you can!

SUPERVERSE is a fast-paced, action-packed space shooter that launches you into an ancient network of interconnected universes. Your mission: travel back through space-time and prevent the extinction of humanity.

Jets'n'Guns is a heavy piece of ground shaking rock blasting action with graphics and special effects that will blow you eyes out! Enjoy yourself in almost-insane action adventure of saving the universe from the deadly threat of more than 270 unique monsters in the campaign of 43 levels.

The year is 1989. 12 years have passed since the Gogoh Army’s invasion of Earth. Exposure to alien technology during the war enabled Earth’s own technologies to take massive leaps forward. International conflict that was previously rife in the history of mankind fell to an all-time low, and the Earth Federation was established as a...

Skillfully pilot the Graceful Explosion Machine, a fighter ship armed with a ludicrously overpowered quad-weapon array! Lost in deep space, you'll shoot, dash and combo your way through jewel-hued uncharted planets, fighting an alien armada to find a way home.

The year is 2051. Location: SATAZIUS, a long-abandoned planet. The cruiser Agano was on patrol when it was attacked and stricken by a confederacy of space pirates that had established a base on SATAZIUS. The pirates attacked the Agano intending to steal the assault ship ‘Trafalgar’ that was stowed aboard the Agano, but the Trafalgar made...

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.

Sun Blast is the best 3d space shooter on Steam. Earn upgrades as you fight your way through a huge seleciton of levels. Full gamepad support!

Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.

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.

The second chapter in one of the most loved and respected Japanese shooting game series ever:The Tale of ALLTYNEX by Japanese indie developer SITER SKAIN. Carefully crafted play experiences, destructive fun, and absorbing gameplay have made the ALLTYNEX trilogy renowned in shooting game communities.

SQUIDS FROM SPACE is an 8v8, team-based PvP top-down shooter where humans and the sinister Squid aliens wage war for the future of the Earth!

An action-packed retro arcade shoot 'em up featuring organic and bio-mechanical alien life, including ammonites, centipedes and spiders!

Fight fierce hostile alien space ships to neutralize their defenses before you board their ships and battle intense on-foot encounters. Eliminate their forces and steal their technology to upgrade your squad with different abilities and save the galaxy!

Shoot' Em Up, Vertical Fast & Fun !The Overdriven Ship is back :More better, more intense, and more beautiful !

Infinity Wings - Scout & Grunt Take control of your chosen fighter (either Scout or Grunt) in this side scrolling shooter.

Cyberpunk 3776 harkens back to the glory days of arcade shoot-em-ups. It all begins on a postapocalyptic earth and proceeds into space. Your journey will be a metaphor about life and death, a road that every person has to walk down alone. The only choices you get while on your path to the inevitable end: keep your head up high or forfeit.

Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.

【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

Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.

Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.

Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.

You are a hungry, young hoverbike racer who needs to get off Earth before it E-X-P-L-O-D-E-S. Hunt bounties, throw races, and do whatever you can to get to Mars and win the Grand Prix.

Aqua Kitty is a fast paced retro styled submarine arcade shooter with optional 2 player local Co-op.Blast through hordes of mechanical sea monsters in your kitty sub and defend the deep sea milk mining kittens!THE MILK MUST FLOW!

Hyper Simon X is an Arcade Shoot 'Em Up Puzzle game that ingeniously blends SHMUP mechanics with the classic nostalgia of 'Simon Says' memory games. Prepare for a challenge like no other as you destroy the enemies in the exact order displayed!

A shoot'em up, with focus on choice and progressiveness, so you can choose between a wide selection of weapons, and upgrade them becoming way more powerfull as you play.Big multi-phase bosses and a dramatic story.