Top similar games like Asteroid Defender!:
Asteroid Defender! $4.99
Defend humanity in this retro-inspired space shooter as you patrol the stars and blast killer asteroids from the sky. Keep power to the energy pylons while maintaining the defense shield protecting Earth to earn powerful upgrades for your ship. Do you have what it takes to protect our world?
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Intern Pursuit Game$2.99
A Third-Person Tower Defense game in which you are an Intern sucked through a portal who now must defend the objective from aliens.
Retchid$24.99
You are a TEC Engineer from Earth ordered to retrieve and return sensitive data from the TEC Mining Facility on Titan. On arrival, you discover that the facility has been invaded by beings from another realm. Contend with these abominations as you complete your mission and escape Titan.
1917 - The Alien Invasion DX$4.99
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.
Yargis - Space Melee$2.99
Yargis is a fast paced, top down spaceship shooter. Customize your ship to join a battle online or offline. Yargis is focused on team based, close combat action. The game has a variety of battle and co-op game modes and a powerful editor make Yargis a great game!
Psycho Starship Rampage$9.99
You play the psychotic A.I. of a warship lost in space which tries to come back to Earth. Build your spaceship from scratch. Load it with weapons. And use your creation to destroy waves of innocent aliens throughout numerous levels. Loot their carcasses, extend your ship and jump to the next sector for more action!
The Hurricane of the Varstray -Collateral hazard-$9.99
【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
SQUIDS FROM SPACEFREE
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!
Switch 'N' Shoot$3.99
Endless arcade action with just ONE button - Switch directions whenever you shoot!
THE LAST HUNT$19.99
November 2029, 4 years after the great war nearly all life forms on earth are dead. You are one of the last survivours. You have to fight your way thru the hordes of undead creatures. If you love old school arcade shooters like Commando, Dogs of War, Mercs... then this is the right game for you!
Astrozombies$0.99
Astrozombies is a modern take on the classic action & platforming games we grew up with, presented with a unique 2D aesthetic. Jump right into the action with simple controls, and make your way through challenging levels with some kick-ass music. Always remember: run right, kill everything!
BoltBreak$14.99
BoltBreak is a mix between a wave shooter and a superhero game. Unlock new superpowers and climb the leaderboards as you fight through 100 waves of supervillains across 8 different earths in the BoltBreak multiverse.
Chicken Invaders UniverseFREE
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Starsation$9.99
Starsation is a space shooter game made in voxel graphics.
SPACE DANCE$0.99
Space Dance is a 90s-inspired space simulator where you defend Earth from alien invaders. Choose from three weapon types, face challenging battles, and upgrade your ship to compete for the highest score. Get ready for an intense space adventure!
Invasion From SpaceFREE
Simple remake of Space Invaders adding destructions and physics
Digital Eclipse Arcade: Invasion of the Buffet Snatchers$4.99
Rude aliens have arrived to sample Earth's legendary all-you-can-eat buffet, and they're sending a smorgasboarding party down to YOUR dining room. Can you assemble and deliver their plates of food before the aliens wreck the restaurant?
moon0011$1.99
When you want to relieve stress, you should try this game. What you need is just clicking on the white panel. You can feel a sense accomplishment when you reach higher score. Also you can feel refreshing when you hit planets .In trial version it is limited the number of stages that you can play.
Sisyphus Paradox$8.99
Sisyphus Paradox is a fusion of roguelike tactical elements with classic side-scrolling shoot 'em up gameplay. Explore and fight your way across the galaxy as you try to get back home to Earth in this hand drawn indie game.
Light Unseen$1.99
An underground adventure with magic and fantasy-like monsters with a story where actions affect the outcome
Go For Launch: Mercury$9.99
Re-live the early days of spaceflight in the accurate, detailed and exciting simulation of the Mercury spacecraft.
Too Angry to Space$4.99
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!
NIGHTSTAR$9.99
This VR title is a unique room-scale third-person shooter. Control the Nightstar by moving your Motion Controller in space, shooting a vast variety of enemies, and avoiding obstacles and enemy fire. Play through 8 levels of non-stop action and immortalize your name on the global leaderboard!
Polygon Attack$1.99
Break through unlimited waves of enemies and fight unpredictable bosses!
Super Arcade Boy in Defender of Planet Earth$1.99
A Retro Style Classic Side-Scrolling Shoot 'Em Up with Super Arcade Boy's Debut! Fly him through 8 levels while defeating waves of enemies and bosses with amusing dialogue, power-ups, HD graphics and full controller support. Super Arcade Boy's up to the challenge. ARE YOU?
Viper Attack$1.99
Inspired by classic arcade games, Viper Attack is a fast, addictive arcade shoot-up! Master the challenge and fight your way through many brutal levels
Cookie Invaders$14.99
Cookie Invaders is a roguelite shoot 'em up where you utilise a massive skill tree to evolve your ship to defend the earth from legions of invading cookies.
Biolab Wars$4.99
Inspired by the 8-bit games and by the movies from the 80's, your goal is to blow things up, defeat aliens and fight bizarre bosses in this platformer 2D with classic mechanics.
Cerberus: Orbital watch$0.99
Get ready for classic top down space shooter gameplay! In near future scientists detected allien signals, you need to find out their nature.
Deathroids$2.99
Remember the golden age of arcades playing a game with all the classic 80's/90's space-shooting features. See how far you can go by destroying all enemy robots that are ready to planet earth attack.
River Attack$0.99
River Attack is a shootting up style game 2D, which combines harmoniously colored scenes with aerial shooting battle! Evolve your ship to defeat an alien invasion that has the technology to control human combat vehicles. Will you be able to defeat an army of ships to save your girl and the planet?!
Space Defense$0.99
You and your space troop have a tough mission to defend Earth from an alien invasion in this epic space war. Will you be able to guide your troops to victory?
Space Force Squadron$0.99
Space Force Squadron is a horizontal 2d shmup. Choose between 4 pilots with different spaceships and different attributes. Buy upgrades for ships using points earned in battles. This is arcade style game, meaning there is no possibility to save.
Space Moth: Lunar Edition$7.99
1CC Games’ first shoot ’em up returns with totally overhauled visuals, all-new enemies and attacks, a deeper scoring system, remixed soundtrack and fresh player powers. Space Moth: Lunar Edition is the ultimate version of the beloved cult classic.
入替人-ReplaceR-$0.99
It's a 2D action shooting adventure game where you switch between multiple guns and use interchangeable gimmicks to try to break through the stages! What awaits you in a mysterious facility in a corner of the universe?
AsteroidesFREE
it's simple, fast, rocking, without pauses, without life, without time will you save the earth? Asteroides is a 70/80s shooter with realistic physics and a completely three-dimensional environment. Moving, destroying and surviving is complicated in an infinitely finite space.
SolitariusFREE
Solitarius is a 2D top-down wave shooter set in a sci-fi space environment. It is a free minigame that contains six different levels, eight different enemies and nine different weapons. Instead of surviving as long as possible you have to make it through each level.
Space Warden$9.99
Space Warden is top-down shooter in space where whole environment can be destroyed. Use lots of weapons which can burn, stun, damage, explode enemy ships, bases and terrain. Use turrets to defend your base and complete various missions.
Spacewing War$6.99
Blast off for a retro shoot’em up experience filled with clever twists and secrets!
Ultimate Starfighter$4.99
An unknown Alien Race has launched a failed attack on Earth Station Alpha and are regrouping! Fight off the incoming fleets, discover where their ships are being constructed, and launch an assault! If Earth Station Alpha is destroyed, the planet will be lost and humanity exterminated.
Arcade Classics$0.99
Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.
Martian Invaders$0.99
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!
Interstellar Pilot 2$0.99
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind. Play how you like in this open world space-sim developed by Pixelfactor.
Aircraft Infinity$6.99
We present you a fun simulation game in which you pilot an aircraft and have the mission to destroy parts of a large asteroid that has broken into millions of pieces and is heading towards Earth.
Command Center Earth$4.99
Save Earth from total annihilation by drifting a missile through a variety of unique and punishingly difficult asteroid fields.
AIRANBLADE$12.99
AIRANBLADE is a 3D vertical progression action game, like the classic shoot 'em up games. Fight against squadrons of enemy aircrafts and gigantic bosses. Enjoy beautiful special effects and lots of explosions and lasers coming from every corner.
CAN BULLET$3.99
BANG BANG BANG! CAN BULLET has come to your PC! Just shoot the cans and get rid of yesterday's, today's, and tomorrow's frustrations. A simple roguelike shooter, also good for a mid-afternoon coffee break.
Chaos Moon : 1CC Edition$5.99
A classic style SHMUP in the tradition of 80's and 90's vertical scrolling shooters. Maximize your run and get to the top of the High-score Leaderboard. Can you achieve the rank of Fleet Admiral? It's a challenge. Visit our website for a free playable browser demo of the game.
De-coding Armageddon$0.99
Fast paste, fast typing, arcade, die and retry game. De-coding Armageddon is a game to practice your speed and reflexes, perfect for when you are waiting on another game or wether you just wanna kill sometime.
Tecroroid Assault$0.99
A synthetic race has come to your planet to steal your technology, And you have to fight them off. Fight off the Tecroroid invasion as they sent wave after wave of enemies to the planet.
Huenison$0.99
Innovative arcade shooter that takes various elements from many classic and less-known games, and puts them together in a hectic mix. All in retro visuals and synthetic sonorities that recall the revered Commodore 64's SID chip.
Unearthing Process$1.99
Once upon a time, a young boy headed with his father, who was a professional miner, towards the depth of the Earth, to search for gems, such as diamonds, emeralds and gold. The young boy fell down in that moment, and his father was extremely astonished by the depth of the gap.