Top similar games like Galactic Missile Defense:

Meteorite Defense Command is a fun, color-full and fast game, inspired by the classical coin-operated arcade games of the golden era.

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.

What if MOBAs and RTS games had a baby? Rover Wars combines resource management, farming, building and strategy into an intense tug of war. Fight in an interplanetary campaign and challenge your friends in the configurable Battle Mode. Rover Wars might be your gateway ticket into the strategy genre.

The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

【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 quick arcade style clicker game. Try to get as many points as you can! Click the blue and gold marbles to get points. The red marbles subtract points!

Aliens have invaded Earth! Towns, cities, deserts, they're everywhere! Take on the role of Earth's last super soldier and confront the alien menace in this intense twin stick shooter!

Endless arcade action with just ONE button - Switch directions whenever you shoot!

Defend The Keep, a fast-paced action strategy game with fireballs and towers! Defend your villages against waves of hogs, ogres and insects.

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.

The Pang series is a beloved collection of arcade video games from the early 90s. Guide two brothers on a quest around the world to save humankind from a massive alien invasion!

Threats To Humanity: The full version of this game with feature 10 unlockable level, New upgrade system and power ups, High score and leaderboard, New turrets to unlock, new enemies and bosses battles. Future DLCs for more levels, turret, and more.

WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.

Frantic Dimension is a retro twin-stick shooter inspired by the earliest twin-sticks, 'Space Dungeon' and 'Robotron 2084'. Never stop moving and shooting... or you'll die.

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

1917 - The Alien Invasions is a bullet hell memorization shooter. Dr. Brunhild Stahlmüller upgrades an WW1 Triplane with superior alien technology to attack the invaders. She will avenge mankind and take the battle into the darkness of space until she reach an ancient alien world.

Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

Super Captain 3D is a shoot-em-up game where you become a Super Hero ready to fight the Pixel Invaders. It features an art style that combines 3D pre-renders with 2D pixel art. Use your Superpowers to protect the Universe!

Crystal Cosmos is a side scrolling color-based space shooter. You need to match your ship's color to your enemies color in order to destroy them.

A malicious orb has cast Savant out of his tower and transformed his surroundings into dangerous enemies!Dodge and shoot your way back up the tower, and blast down waves of enemies as you make your way towards the top! As you progress, you unlock CDs that not only give you new tracks to play to, but also grant you powerful new abilities!

In JezzBall, your goal is to contain bouncing Jezz atoms by building walls. Complete levels by converting over 75% of the chamber into walls, adding a new atom each time. Left-click to deploy walls and right-click for direction.

It's time to gear up!Get ready for more ghost chain gobbling and frantic action in PAC-MAN® CE-DX+! The award-winning chomping game makes a shattering debut on Steam with even more content and a refined user-interface to compare high scores with your friends!

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

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

Mars is under attack! An unknown enemy is dropping bombs on the peaceful red planet. It is up to you to fight off the onslaught so the innocent can escape. Run (umm...slide), jump and blast your way to freedom in the arcade-inspired goodness that is Martian Law. Save Mars!

Another tribute paid to yet another arcade classic from the Hero Concept team! Doughlings: Invasion promises a fun gaming experience to gamers of all ages with the innovations it brings to the shooting genre.

Red Horizon is an addictive space shmup game. Heavily influenced by the classics of the past, Red Horizon takes a modern spin on the genre combining it with some subtle Rogue-like elements to provide players with a unique experience every time they play.

A side-scrolling shooter with RPG elements that puts you in control of a prototype tank -- defending humanity from the alien scourge known as The Cuur!

War Birds is a 2.5D World War 2 air combat game, with impressive 3D warplanes and beautiful 2D environments.

A retro arcade bubble-shooter where shots split bouncing bubbles until they vanish. Clear 40 handcrafted levels before the timer runs out or push your limits in Survival.

Good old fashioned 2D arcade fun with tons of upgrades and fast paced action where taking risks is rewarded with a higher score. Defend humanity's last source of energy wrench in one hand, laser gun in the other

The Japanese just love their famous German-inspired Baumkuchen cakes, and hungry invaders from across the universe have discovered these delicious treats too! Are you up to the challenge of protecting the precious desserts from waves of alien attacks? Save the cakes!!

Galaxy Frame is a space Roguelite game players control their aircraft to survive the attacks of alien insects. By understanding the characteristics of aircraft, skills, and props, players can build their own decks and challenge stronger enemies. Arcade mode to challenge the world leaderboard.

Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.

Shoot different types of spaceships while avoiding getting shot yourself. Kill 10 minutes at a time with this affordable colourful timewaster.