Top similar games like Interstellar Invaders:
Interstellar Invaders $4.99
Interstellar Invaders is an arcade game which combines the game mechanics of Arkanoid, Galaga, and Missile Command in hand-built and (eventually) procedurally generated levels.
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Spacewing War$6.99
Blast off for a retro shoot’em up experience filled with clever twists and secrets!
Outpost Zero$19.99
Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe. On a lawless alien world, robotic scouts are tasked with building an Outpost for human colonists. Command AI minions, colonize the planet, and survive the perils of Gaiya.
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.
Cliffhanger: Challenger of Tomorrow$6.99
Punch out Fascists and unravel conspiracies in this pulp adventure set in a retro-futuristic 1930s world of airships, fast cars, and two-fisted action!
飞跃星球（Eggy Space）$1.99
A light tower defense game with unique planet exploration. Defend against aliens, collect resources, and build a new home. Exquisite graphics and challenges await!
Alien CrusaderFREE
Alien Crusader is an action packed, vertical scrolling, space shooter game, similar to classic coin-up arcade and shoot'em up games.
Twin Breaker: A Sacred Symbols Adventure$9.99
Twin Breaker is a story-driven brick breaking game molded in the style of ‘80s arcade classics like Arkanoid and Breakout.
Geckorientalism$8.99
The game takes place in a fantasy world called Evelia, where the peaceful indigenous people, the elves, and the alien predators, the lizards, have fought a life-and-death battle. The story takes place after the war. Fortunately, the invaders failed to defeat the indomitable struggle of the elves
Star Impact$4.99
Star Impact screams with nostalgic gaming fun! Classic Vibes √ Challenging Platforming Indie Gameplay √ 80s Synth Soundtrack √ Play as Interstellar Pilot Stella Striker. Similar to great classics like Mario, Sonic, and Super Donkey Kong.
STORM AREA 51: CUTE ALIEN GIRL EDITION$1.99
Leaked documents suggest that the government is hiding aliens within Area 51 - CUTE GIRL ALIENS. Chads, Virgins, Kyles, and Otakus rise up and decide to raid Area 51 to get an alien girlfriend of their own. This is their story.
Warp Tango$1.99
Warp Tango is a 1-6 player co-op shooter where you exterminate waves of darn vermin with your friends. Warp between the map's islands, grab strange weapons, and revive your teammates until the vermin claim you.
Interstellar Plunderer$4.99
Interstellar Plunderer is an indie arcade-style 3D roguelike space shooter game. Take control of a pirate spaceship as you fly through wormholes, do battles with hordes of oncoming enemies, fight fearsome bosses, and gain plunder to spend on new ships and upgrades. How far can you go?
Star Legacy VRFREE
Star Legacy VR is an immersive virtual reality shooting game that incorporates intriguing Roguelike elements into gameplay. Players assume the roles of interstellar guardians who venture across diverse planets and traverse through various time zones.
Captain Kaon$6.99
Captain Kaon is a retro twin-stick gravity shooter inspired by 1980s classics such as Thrust and Gravitar. Captain Kaon pairs vibrant Amiga-style pixel art with a tight twin-stick control mechanic. Relive this forgotten shmup sub-genre!
RASHLANDER$3.99
A lunar lander roguelike that feels like spinning across an icy road and nailing a perfect parallel park. Slingshot from landing pads to fuel platforms, avoid interstellar debris, discover a dense network of game-changing upgrades, and top the leaderboard in this physics-loaded ode-to-arcades.
GALACTIC FIELD 《银河领域》$13.99
[ GALACTIC FIELD ] The game story takes place in the distant 24th century future interstellar era, where 3 different factions compete with each other. It supports PVE PVP EVE mode gameplay, and also provides the game's unique squadron fuse mode gameplay and gameplay detail adjustment system.
Omega Warp$14.99
Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.
Space Vortex$9.99
Embark on an epic journey in Space Vortex! Hunt aliens, destroy their statues, collect black hole seeds, and access different space locations. Defeat enemies with asteroids in this thrilling adventure!
Mr. Robot$7.99
Asimov is a lowly service mechanoid aboard the interstellar colony ship Eidolon. Carrying hundreds of frozen human colonists to a new world. When the Eidolon's computer brain malfunctions, it falls to Asimov to undertake a perilous journey through the bowels of the massive ship to save his robot friends and the precious human cargo. Mr.
Final Fleet$14.99
A lone interstellar fleet must travel across a distant and perilous galaxy in the hope of reaching safety. Final Fleet is a Virtual Reality fleet building, space shooter.
STAR SHREDDERS$0.99
STAR SHREDDERS is a prologue to an extensive, story-rich SHMUP with strategic elements. Play as Clash, leading the Valkyrie force in the onset of an epic interstellar war. This teaser sets the stage for a larger adventure.
ECHOES OF WAR: The Last Heartbeat$6.99
ECHOES OF WAR is an action packed shooter with strategic elements for virtual reality devices. Set up your defences, lay waste to hundreds of drones and mechs and use all you can salvage to repair your ship.
Triton Survival$14.99
Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?
Space Out$3.99
Space Out blends elements from Breakout, pinball, and a space shooter to provide a unique, fast-paced, and challenging arcade experience.
StarSmashers$7.99
You are Captain Carter, of the Space Beagle. Ahead lies an army lead by the scumbag Kaldor Seth, he will obliterate all who oppose him in his pursuit of power. Carefully manage your ships weapons and defenses to bring your enemies to their knees!
Ultimate Challenge$2.35
Ultimate Challenge is the ultimate test.Bring all your weapons,fight like crazy, and become a qualified space warrior. Before playing the game, you need to set SteamVR to OpenXR.
SpaceEngine$29.99
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Star Explorers$4.99
Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.
Ankora: Lost Days - PrologueFREE
The opening act of Ankora: Lost Days. Discover the beginning of this adventure and explore freely around this mysterious world full of promise and danger. Craft different tools, build structures and terraform yourself a new home in the opening act of this cute-as-heck survival game.
void LINK$9.99
Casual "takes-1-minute-to-learn" Space RTS, designed for VR: Gather resources, build your fleet, seek out rivals, craft custom ships, and go to battle, in truly 3-dimensional playgrounds. 2-Player online, competitive.
Zenith Armada$9.99
Embark on interstellar conquest in a 2D space strategy game. Command ships, explore galaxies, engage in real-time battles, and customize your fleet. Traverse hazardous star maps, unlock factions, and strategize for victory. Are you ready to conquer the cosmos?
Highway to the Moon$0.99
Highway to the Moon is a fast-paced scrolling arcade shooter where you take control of Jacob Helaway, stunt man and thrill-seeker extraordinaire, as he makes his way to the Moon in pursuit of the interstellar criminal known only as the Moon Man.
ROD: Revolt Of Defense$0.99
Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform. Attack or defend against enemies and save the universe!
Apolune$4.2
Apolune is a minimalist, endless procedural evolutionary space war. Enjoy fighting wave after wave of enemy starships in a classic "2D" simulation that evolves and mutates as you fight on, victorious. Defend the Earth from hordes of vile aliens in your simple craft: point-and-shoot.
Cosmic Guardians$2.99
Become a Cosmic Guardian in this thrilling space shooter! Defend Earth from alien threats, battle colossal bosses, and save the universe. Play solo with A.I. or team up in co-op mode. Level up, unlock abilities, and collect power-ups for an epic adventure!
Starship EVO$19.99
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!
Space Pilgrim Episode I: Alpha CentauriFREE
Captain Gail Pilgrim has been flying starships since she was a kid, ferrying passengers between planets and space stations across the galaxy. She has no reason to expect that this latest trip to Alpha Centauri will be anything special, even if her passengers are a little more diverse than usual....
Boing$2.99
"Boing" redefines retro space shooters with its potent weaponry. Defend, attack, and level up as you twist through challenges. Endless fun for all!
INTERSTELLAR PRIME$9.99
Humanity has placed itself on a path to extinction. Part role-playing game, real-time strategy, and space simulation, Interstellar Prime takes you on an unforgettable journey to the future of our solar system and beyond in a desperate fight for survival.
Cosmo's Quickstop$19.99
Cosmo’s Quickstop simulates the fast-paced thrill of managing a gas station… IN SPACE! Upgrade your services, please alien customers, and complete your daily chores through simple minigames that add up to a hilariously frantic experience with solo or couch co-op play.
Cosmo Chaser$4.99
Cosmo Chaser is space fighter action game which presents restless shooting battle. It demonstrates new style of vertical scroll shooter by presenting classic arcade action in 3D space.
Battleships Collide: Space Shooter$4.99
Battleships Collide: Explore 3D space, defend the galaxy, and conquer 20 intense levels. Customize your spaceship, collect artifacts for hyper space travels in this thrilling shooter game and become the hero galaxies await!
Astrohazard Solutions Ltd.FREE
Astrohazard Solutions Ltd. is an interstellar and interspecies corporation dealing mainly with removing and redirecting asteroids and other cosmic junk that threatens their Clients.
Steam Ocean$15.99
This game uses Oculus equipment and Unity development of a VR3D science fiction gunfight game, players need to pick up the weapon to kill the sea monsters generated in the scene, intense and exciting gunfight game, players each kill a monster scene counter opportunities to increase
Star Farmer: Warlock of the Universe$4.99
In this relaxing bullet heaven, farming adventure, play as a powerful Warlock who has a side hustle harvesting plants in space.
Pawn Planet: First SalesFREE
Manage your own pawn shop in the weird galaxy. Purchase and sell different items, attend auctions, stop thieves and keep the shop going!
White Eyes$2.99
Embark on an interstellar race as the universe collapses. Swing swords, fire projectiles, and reflect hazards to save nomads. 60 challenging missions. Random encounters. Simple mouse controls. Conquer diverse hazards. Will you guide them home?
Interstellar Marines$9.99
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
Cosmochoria$9.99
A tiny, naked cosmonaut with a jetpack & laser blaster must revive a dying galaxy by planting one seed at a time. An innovative and addictive arcade adventure experience with mystery and intrigue in all the right places.
Xeodrifter$9.99
Xeodrifter is the story of an interstellar drifter traveling the stars on a simple mission of exploration. We join our nomad as he embarks on the investigation of a small cluster of four planets in the omega sector, after a collision with a rogue asteroid damaged his warp core.
CAT Interstellar$9.99
A short story inspired by Robert Heinlein's:The Moon Is a Harsh Mistress