Top similar games like Spacejacked:
Spacejacked $9.99
A super fast-paced ARCADE TOWER-DEFENSE. Build turrets and shoot your way through hordes of alien scum as you protect multiple rooms simultaneously!
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Ozone Guardian$2.49
A new twist on the classic arcade shooter, with a variety of character choices and an upgrade system. Control your spaceship with your mouse & shoot with click - the only limitation is your hand speed! Face waves of creative enemy ships and stimulating bosses, and protect the ozone, Ozone Guardian.
Raging Titan$4.99
Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!
Invader TD$2.99
Invader TD is a side scroller tower defense, where the player is in the role of an alien race with the purpose of infecting and dominating the earth, you must protect yourself from the attacks of the humans, who are trying to destroy you.
Paul Pixel - The Awakening$2.99
An ordinary guy forced to defend the world from an alien invasion of infectious zombies. A point-and-click adventure with beautiful pixel art and bombastic retro sound.
Deep Nest$4.99
Deep Nest is a fast-paced single player action shooter roguelite where you play a space marine fighting off an endless horde of alien monsters in an infested facility.
Project Astra Dominium$9.99
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
星旅：前奏 Wandering Planet: Prelude$3.99
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.
The Echoes of Mars$4.99
The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.
DOUBLE INVASION!!$7.99
Push blocks. Shoot germs. Heal your body.
Save the Llama$9.99
Craft the perfect defense upon shifting platforms, turning gears, and railways to save your llamas from alien abduction in this space western tower defense.
Massive Defense$4.99
Place the towers on the fragile energy rings. Manage your army, use resources wisely, and upgrade towers and special weapons. Welcome to an atmospheric world full of surprises and long adventures.
Night Light$3.99
Defend against the creatures of that night! Protect yourself and your lamp by building and upgrading your base. Equip yourself with the best weapons to deal with the incoming waves.
Blob Life$5.99
This Cute Sidescroller RPG is all about taking care of little aliens called blobs! Give them unique names, check their vitals, build colorful houses, play and feed them with a variety of sweets when you have all the time in the world.
Rogue Station Defense$7.99
A rogue-like sci-fi Tower Defense strategy game with infinite replayability!
Stray Shot$5.99
Monsters come from missed shots! Learn the monster's behaviours, shoot wisely and balance the difficulty to maximize scoring!
Iron LineFREE
Iron Line is a tower defense game where you are one of a few, train conductors capable of traversing on the Iron Line. Will you survive the onslaught, or get an express ticket to the afterlife?
Dino V. Xeno - Tower Defense$3.99
Dino V. Xeno is a casual, straight to the point, yet deeply crafted tower defense game, where you can enlist 10 upgradable dinos, plus 14 additional special towers, to battle alien hordes. With randomized elements, 51 levels and 20-40 hours of gameplay, DVX is a tailor made for tower defense lovers.
SpaceWorm$2.99
SpaceWorm is a casual retro game where you eat stars, planets and kill space-bugs.
DEFENDitFREE
Defend it! Are you sure you can defend the base until the last enemy? Try your luck because it's free to play!
Paper Protocol$7.99
Paper Protocol is a Tower Defense game with elements of Real Time Strategy. Command a versatile mech and a squad of high tech turrets to defend the Paper Co. building from angry trees! Upgrade both yourself and your turrets to defend against the trees and their unique abilities.
Outpost 13$0.99
Outpost 13 is a point and click adventure strategy game where you, a monster, must escape an icy planet by strategically killing off crew members while maintaining your cover as "Fen" the crew's pet dog. Play smart and you might just make it off-world alive.
Tep The Destroyer TDFREE
TEP the destroyer is a single player tower defense game where you will face alien monsters and ships in ground and space battles! Your strategy will decide the fate of your people in a sci-fi environment of varying difficulties!
First Contact$1.99
Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.
Escape From The Red Planet$5.99
Escape From The Red Planet simplifies resource management, tower defence, and first-person mechanics into a singular arcade experience. On the latest mission to Mars, the Orion III crash-landed. With Martian attacks looming, Houston most definitely has a problem!
Citrus Rampage$4.99
Call up your buddies and enjoy the acidic chaos of Citrus Rampage, a physics-based multiplayer shooter with silly guns and destructible environments. Play with up to 4 players in local multiplayer or online using Steam Remote Play Together.
Protolife$11.99
Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.
Space Court$2.99
As a newly appointed Judge, you will rule over Space Court and its denizens to keep the universe safe. Or possibly blow it all up. Either way, you’re tenured.
Lazy Galaxy 2$7.99
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
Epic Transport$4.99
Epic Transport is a casual pixel style transport sim inspired by OpenTTD. Unlike other transport sims in this game you start from the most basic form of transport, a walker, and go all the way up to alien spacecrafts. Finally a way to remove those pesky cows.
Drill to the Stars$14.99
In "Drill to the Stars," you build your OWN base! Guide enemies with walls into traps and eliminate them before they destroy your drill. Strategically adapt to the environment and place the towers cleverly for maximum attack speed in this roguelite tower defense game.
Cosmic Resistance$7.99
You are the fleet commander. Different alien races invade the universe. Find and fight for saving scattered human colonies, integrate them in your ship fleet to help you create a powerful army that will liberate the universe and humankind from extinction.
Spaceship for Newbies$4.99
Fly a spaceship made of scrap through obstacles in outer space - using only one button!
Diaries of a Spaceport Janitor$9.99
Diaries of a Spaceport Janitor is an anti-adventure game about picking up trash in an alien bazaar. Play as the Janitor, an Alaensee girlbeast with a municipally-subsidized trash incineration job and dreams of leaving the planet of Xabran's Rock far behind her.
Flappy Alien$0.99
Prepare for an intergalactic adventure in Flappy Alien! Navigate your UFO through space, dodge obstacles, and aim for the highest score.
Alien Ship Console$3.99
Alien Ship Console is an atmospheric puzzle game with arcade elements, where you must figure out the mysterious interfaces on an alien spaceship. Explore buttons and levers, solve unique challenges for an unknown alien civilization.
Entity OnboardFREE
In this sci-fi survival horror game, you'll use tools such as a flashlight and tape recorder to survive while a mysterious entity chases you. Hide in the light and don't let it touch you. Power up each floor to escape!
Beware Planet Earth$4.99
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!
Alien Invasion Tower Defense$1.99
Alien Invasion TD is a new strategy 3D game with an exciting new design, campaign mode, endless mode, players custom-built levels and PVP online multiplayer, defend against waves of approaching enemies by placing your defense towers, recruiting units,use special attacks, boosts and more.
Sol 705$2.99
A hilarious point and click graphic adventure in the best spirit of the '90s where you play as a young man and his friends in a personal quest that will turn their passion for progressive rock and UFOs into a real intergalactic mess... If they manage to survive school !
_OUR_:_Defense 2021$4.99
Is a dynamic tower defense game. You must react and counterattack the enemies on the battlefield all the time. Fight off alien swarm attacks with gigantic machine guns, shotguns, gauss rifles and even a giant laser created using alien technology.
Bitosphere$2.99
Embark on a Galactic Adventure in Bitosphere a Captivating 1-bit Clicker Game
Farm Invader$4.99
Pilot a UFO to abduct cows and humans in this retro arcade-style game! Boost your score while managing suspicion as humans roam the farm. Collect power-ups like score multipliers and time slowers to enhance your gameplay. Can you balance abductions and suspicion to achieve a high score?
Super Turbo Demon Busters!$11.99
STDB! is a rogue-like game about hardcore mercenaries and space marines escaping from a very cozy planet filled with monsters, nuclear fire, viruses and pixelated violence.
SPACE BATTLE: Humanity$1.99
The day has come… Humanity has been attacked by an alien race.You have space bases at your disposal. Use them to launch battleships and take over the alien mothership.
TAD: That Alien Dude$4.99
TAD: That Alien Dude is a retro RPG that takes you back in time to a world of analog cartoon franchises, sugary breakfast cereals, a thriving music industry, and die-cut comic book covers.
Alien Escape$4.99
In this puzzle platform adventure, Timmy tries to use his abilities to influence gravity, escape from the gruesome castle, save his friends and defeat evil.
Space Nature Attack Tower Defense$6.99
Space Nature Attack TD is a tower defense where you can level up and customize tower stats and elements to your liking! Fend off various types of alien creatures across many different sci-fi planet themed maps, biomes, and difficulties!
银河战争一(Galactic Wars One）$1.6
A tower defense strategy science fiction game, in the future era, when aliens invade the solar system, players need to build various turrets to resist alien attacks and guard the Milky Way and solar system.
DG2: Defense Grid 2$14.99
Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges.
Captain ToonHead vs the Punks from Outer Space$19.99
Ever wanted to beat a T-Rex up with a chancla, while building powerful towers that shoot piñatas, hot sauce and heat-seeking fireworks? Captain ToonHead is the VR tower defense game of your cartooniest dreams.
Cows VS Vikings$8.99
You think you’ve seen everything in Stream already?! No, buddy, you never saw anything like that before! The Vikings against the cows! Show them the strength of Odin and twist their horns off!