Top similar games like Galactic Missile Defense:
Galactic Missile Defense $1.99
Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!
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Monster Battle Quest$1.99
Recruit and evolve the perfect monster team to destroy opposing enemy. Defeat enemy monsters to earn gold, increase your strength, and dominate the monster world.

FLERP$2.99
Fend off hordes of enemies in this arcade tower defense roguelite with autobattler elements. Build up a team of powerful synergies and become unstoppable.

A Zombie Tail$10.8
Defeat waves of zombies in this strategy defense style game. Armed with a bone and several power ups, keep the zombies at bay as you battle across several levels, by timing and managing your attacks across 4 lanes. Will Roxy find her human before the zombies do!

Rebel!$0.99
Imagine yourself living under your favourite oppressive regime. Rebel! Fight waves of SWAT teams. Loot their weapons and money. Buy upgrades. Enlist allies. Face off with the corrupt government bosses. Casual top down/ dual stick shooter with short, intense gameplay and a clever AI.

Space Fuel$4.99
Bite-sized arcade shmup. Slam enemies, beat Bosses, get power-ups and repeat! Pilot your ship through deep space.

LUFTRAUSERS$9.99
The skies will be set aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Select from over 125 combinations of weapons, bodies, and propulsion systems and take to the skies to battle enemy fighter planes, battleships, submarines, and rival aces for glory, honor, and high scores.

REVO$14.99
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.

CyberPigeon$0.99
Take control of CyberPigeon, the ultimate cybernetic avian warrior, as you engage in intense battles against swarming drones and formidable bosses. Adapt to the ever-changing environment, collect power-ups and weapons, and rise to the top of the leaderboard in this thrilling aerial showdown.

Nebula$3.99
Survive in the deep void of the galaxy against thousands of invaders! Nebula is a challenging bullet hell, twin stick shooter where you have to face endless waves of space enemies. Additional map resources and space drones can provide you a support but be wary, they can as well become a deadly trap.

Diamo XL$0.99
Diamo XL is an intense, addictive and difficult 'just-one-more-round' score chaser. Perfect for playing while waiting in queue for another game.

Super Astrovade$2.99
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?

While you are Downloading$0.99
A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Code Breaker$2.99
Welcome to the wireless security code-breaking trial system CODE BREAKER. This system digitizes security system code into a virtual format or “brick breaker video game.” You will have access to the three systems: Code Breaker, Classic, and SYSTEM UNKNOWN, each offering alternate gameplay styles.

Space God$4.99
Space God is a 'hyper retro neon' style top-down shooting game. Play in single player, online co-op mode, or online multiplayer. Don't stop, keep moving! and you might survive... maybe.

JETBOY$5.99
Jetboy is a retro supercharged jetpacking pixel shooter with a pumping metal soundtrack.

Gore Storm$2.99
Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.

Zombies, Aliens and Guns$5.99
Earth’s last hope against an invasion is a band of military rebels Zombies! Aliens! Guns! Enough said.

Space Survival$0.99
Space Survival is the next great SIMPLE 2D casual space action shooter where you have to defend against wave of enemies, have fast reflexes and strong will to win. It is great way to relax, but also a great challenge. How long can you stay focused?

Kalzor: 2000$1.99
Shoot different types of spaceships while avoiding getting shot yourself. Kill 10 minutes at a time with this affordable colourful timewaster.

Insectipede$0.99
A New Bug Blasting Arcade Game! Blast your way through 50 Challenging Stages with Waves of Insects and UFOs, Power-Ups, and Arcade High Scores. Time To Bug Out… Are You Ready For It?

Devastation - Annihilate the Alien Race$2.99
Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.

RagingBlasters$14.99
Raging Blasters is a vertical scroll shmup featuring high speed scrolling and the exhilaration of destruction.

ShapeNeon Chaos$1.99
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!

Hive P v. S$2.99
Mashup of classic arcade games.

Rebound Raver$0.99
Rebound Raver is a Brick Breaker style game from Retro Twist Games combining elements from the classic Break Out / Arkanoid games with a Pinball twist. Includes banging rave tracks from DJ Yan and audio light/visual FX for that rave club feel.

Tharaba$1.99
Dive into the exhilarating world of Tharaba, Time Each Hit Perfectly and compete for the highest score.

Hoodie SurvivorFREE
Auto shooter score attack survival game where your character moves forward continuously and you control the direction of travel by rotating left and right

Hummingz - Retro Arcade action revised$3.99
Up for some retro arcade action spiced with extra bullets and BOSS enemies? Shoot your way through many different levels filled with nasty bugs, spiders, frogs, bees and more. Fight huge BOSS enemies and collect extras and play bonus waves. Retro Arcade action at its best!

Spaceman Defender$1.99
A New Space Shooter Arcade Game. Defend these Little Spaceman Dudes from Aliens! Blast your way through waves of Alien Abductors and UFOs while defending Spaceman Dudes from being abducted in this fast-paced 80’s style arcade game.

Martian Law$1.99
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!

Bullets SquaredFREE
Bullets Squared is a free, challenging minimalistic rhythm shooter, with colorful graphics, made up of 99% squares.

Moon Dancer$14.99
Moon Dancer is a vertically scrolling shmup featuring an exhilarating lock-on laser.

PangaroidsFREE
Destroy the deadly bouncing orbs for the highest score in this Pang meets Asteroids arcade blaster.

Ladderway$0.99
Ladderway is a challenging 2D arcade game where you take the position of Joey, a man trying to climb up a building through several ladders while avoiding Mr. Mica's flowerpots as well as other obstacles.

Alien Decimation$1.99
Destroy waves of UFOs in a arcade style space shooter with an array of powerful weaponry.

Xappy Ship$3.99
In this classic retro arcade-style space shooter, you'll embark on a thrilling adventure through the cosmos, battling against an onslaught of alien invaders and formidable bosses. With its pixel graphics and pulse-pounding soundtrack, Xappy Ship is a love letter to the classic space shooters.

Run Build Pew!$2.99
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.

Bullet Wave$0.99
Bullet Wave is a driving first-person shooter straight out of the 90s. Go to the space station to fight against hordes of zombies, combat drones and infernal evil spirits.

Brick Blaster$3.99
Gather your weapons and blast your way through the bricks in this new twist to the classic brick breaking genre. Test your dexterity and aim as you wreak havoc on waves of defenseless bricks.

SATAZIUS$5.99
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...

Bacon Rebellion$3.99
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!

SPLIT BULLET$3.99
SPLIT BULLET is a game all about 'splitting up' a massive crowd of enemies—yes, those polygons—crawling towards you. Don't let 'em get you and survive as long as you can, by using your instincts and weapons.

Let Them Come$7.99
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.

Octogeddon$8.88
You ARE Octogeddon, a massive mutant octopus with one mission: DESTROY the world! Grow more tentacles and evolve each of them into deadlier and deadlier weapons until you become the ultimate eight-legged killing machine!

Donuts'n'Justice$4.99
Donuts 'N' Justice is a fast-paced 2d horizontal shoot-'em-up wherein you take the role of one of two Super Cops in the 1980s to defend their city against gangs, violence and corruption.

Arcade Mayhem Juanito$9.99
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.

Thundering Skies$0.99
A shoot'em up inspired by the 16-bit classics of the genre.

Starfighter Neon$0.99
You've been dropped into enemy space. Weave your Starfighter between alien spaceships, lasers, asteroids and bombs destroying as many as you can and collecting valuable coins and powerups as you go.

Zyxia: Neon Termination$9.99
Control the cool, steel body of The Zyxterminator to terminate wave after retrowave of space spawn in rad, bombastic style. Unleash an arsenal of weaponry to eliminate your foes while you discover secrets and complete bonus objectives to maximize your bounty payout.

Gun Crazy$4.99
Gun Crazy is a fast paced and hectic arcade style action shoot em’ up sporting old school pixel art and a retro sound track.

Space Smash$0.99
A retro-style, fast-paced, and addictive shoot 'em up. A throwback to the classic arcade games of the 80s. Great for playing while waiting in line for another game. 🎮 (shmup)