Top similar games like Alien Decimation:

Invaders from the Lost Sectors is classic arcade action. Aliens descend with increasing speed towards your base. Shoot them all before they land. Player controlled settings like guided missiles, rate of fire, enemy speed and more help you customize exactly the game experience that you want.

Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!

A New Retro Classic Space Shooter Arcade Game. Defend Earth from waves of martian invaders and flying saucers in this modern version of a space shooter. Go Back to the 1980’s and Blast these Martians Back into Outer Space!

classical horizontal scroll 2D Shmup

Blast and weave your way through enemy fire while managing a wide variety of ship power-ups in this retro style horizontal shoot-'em-up!

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

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.

Enjoy fast paced action in this retro inspired arcade ShootEm Up Style game

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.

Pewt 'em Up! is a retro inspired arcade space shoot 'em up with lots of upgrades, achievements, extras and more.

Katalyst is a 2-D Space Shooter for the people who love and grew up with Space Shooters! Guide the Hero on his journey to defeat the evil aliens threatening civilization! If you like dodging bullets, precision shooting, and only being able to move in 8-directions, then this game is for you!

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.

A platform shooter that brings 90's gaming smashing into your face! Blast and insta-melee your way through hordes of alien soldiers, robots, bosses and loads more. Fight on foot, in a fighter or in a bomber. Take on bosses and ensure that the alien menace won't threaten Earth ever again!

This action packed sci-fi match three shooter is an homage to the classic arcade games we grew up with.

Move and shoot to the beat to defeat the evil alien invaders in this retro-inspired arcade rythm game!

Bad Chicken is a retro styled sideway scrolling shoot-em-up inspired by the retro classics. It takes place in 8 locations in the Ferus system, each one with different challenges, and dangers.

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Race through caverns while blasting away enemies and terrain to reach the depths of Mars in this reimagining of the 1981 classic.

To bring you the old school 2D space arcade feeling in a modern look and feel. Whether you like the hard core style of the old days, or you have become the more lay back type, shoot your way home at the fun rate for you. Upgrade your ship on the way home, to get ready for the final battle. Have fun!

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Neon Invaders will take you back to your gaming roots with its constant action and relentlessly brutal enemies. Absorb enemy shots of the same colour to trigger a flurry of fire to decimate the alien invaders. Dodge and Match your way to victory through 40 levels and 5 difficulty settings.

Save Earth from an invasion of intergalactic chickens! Finger-blistering arcade shooting action for one or two players.

Space Waves is a procedurally generated 2D arcade style shooter with multiple collectable power ups and varying enemy types. This game will casually draw you in and then increase the pace and difficulty as you progress through the never ending levels.

Cosmoscope is a top down twin stick shooter with a twist. The game combines the frantic action of classic space shooters with unique kaleidoscope inspired gameplay. Tasked with defending Humanity against a mysterious alien race, you will need to use both firepower and your quick wits to survive.

In Infinity Blaster you blast through space, defeat challenging enemies and upgrade your weapons! Compete on the global leaderboard, survive an infinite loop of increasingly difficult foes, and unlock 100 achievements. Can you prove yourself as the ultimate space adventurer?

Classic 80s inspired shooter

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

PRISMIDIA: Spirit of the Rift is a sci-fi shoot 'em up game in the style of arcade classics. Dodge barrages of attacks, survive bullet hell bosses, and save Prismidia!

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.

Combining retro puzzles and a arcade space shooter. You and your crew found strange materials in the galaxy core to upgrade your ship to the most powerful. While collecting core materials you came across something unbelievable ... The Core Message. The Core Message changes everything.

A flying saucer chases you all over the galaxy. Run away, defeat enemies, and evolve to avoid getting abducted

What would you do in a UFO invasion? How about spacejack a UFO and use their technology against them! Use Space Age power-ups on these uninvited guests to show them who's boss. So go ahead and suck them into a black hole, or just nuke 'em to send them back to the Stone Age!

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.

Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s!

Dive into Starwulf's unique blend of brick puzzles and space shooter action. Explore diverse planets and star systems, unlock special missions, and upgrade your ship. Can you save your home planet? Casual subgames, included to the demo version, offer endless fun.