Top similar games like Alien Crusader:
Alien Crusader FREE
Alien Crusader is an action packed, vertical scrolling, space shooter game, similar to classic coin-up arcade and shoot'em up games.
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Idle ExpanseFREE
A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.
HuntedFREE
Hunted is a free to play game in which you are the last survivor of an alien invasion, you must attack and destroy alien ovals that try and kill you. You can build, craft, and explore.
Low OxygenFREE
Explore an abandoned facility on the planet you've crashlanded, solving puzzles with strange plants along the way.
ToranFREE
In this sci-fi puzzle adventure "short game" you are a scientist, stranded on a distant moon during an expedition to investigate alien remains. After finding a strange platform, what seemed to be a one way trip might turn into an intergalactic odyssey.
Letters From the MoonFREE
In this sci-fi pick your own story game, you must help astronaut Dorothy Chen survive in a vast underground alien city beneath the moon's surface. She faces insane robots, mutant canines, starvation, and insanity inside the city of the Anthria. Whether she survives is up to YOU.
MatchyGotchyFREE
MatchyGotchy is a casual idle clicker game full of childlike wonder. Introducing characters from the Matchy Star world, collect them all as digital pets and build thousands of ships to reach Xanadu. Get your virtual Stars that intergalactic pool party they always wanted!
VR FlushFREE
You are sitting on a toilet when you are abducted and beamed up to an alien spaceship, where you have to convince an A.I. that you really are an intelligent lifeform.
Zombotron$14.99
Fight to survive on a mysterious alien planet, outwit its vicious inhabitants, and do whatever it takes to find a way off that wretched rock.
Top Gnome$4.99
A top down shooter where the only way to move and fight is with the recoil of your blunderbuss. Whirl through waves of garden-destroying pests to defend Bert's garden, strive to reach higher and higher scores and become the Top Gnome!
Lone KingFREE
An experimental game. Simultaneous turn-based sci-fi combat. Simple controls, deep gameplay inspired by chess. Designed for randomised, 10 minute, low-stress, tactical matches to make you think. Play the first chapters and the arcade mode for free. Support development with feedback.
Planet SFREE
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Space ValkyriesFREE
Year 2979, the cosmic entity "IT" threatens to destroy Earth. Take command of the Valkyria Zenith Serenity and use all your skills to face this threat alongside your beautiful operators.
Planet Breakout 2FREE
A free space-themed breakout game with unique powerups, level editor, and easy modding support.
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!
组装飞船(modified spaceship)FREE
A space pixel game operated by mouse and keyboardFree gamesBlow your courage by getting different parts to fight off waves of enemies
Galaxy Idle ClickerFREE
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
ButtonMashFREE
You play as Joy, a lost controller trying to find their buttons back after you've been smashed to pieces. You will have to cross a cyberpunk style city, and a fantasy filled forest using the simple buttons you can find, and some of the more advanced ones. Good luck, and watch out for dragons.
RepairBot$5.99
RepairBot is a game that combines a platformer, physics, and puzzles.
Space BeastzFREE
Space Beastz is a cooperative multiplayer music and rhythm game. On a music-playing spaceship, players must time their actions just right to keep multiple instruments running and make the most amazing music the galaxy has ever heard!
Fly DangerousFREE
Extremely high skill-ceiling 6dof flight racing in a variety of environments with leaderboards, multiplayer and VR support
Eternal DreamersFREE
Eternal Dreamers is a battle-focused RPG offering deep tactical combat action. With a wide selection of classes and equipment pieces, the game puts much emphasis on customizability and player choice.
Motor Assailant: BetrayalFREE
Fast-paced vehicular shooter. Drive a secret vehicle on a mysterious icy planetoid in a remote star system to uncover what new and unusual threat is looming over the entire humanity.
Perspective$0.99
A unique 3D puzzle game where two players are stuck in a maze and have different perspectives on the obstacles ahead. Players 1s maze is different from players 2s.
Strange PongFREE
Strange Pong is a classic Pong game with the addition of new game mechanics. This game is a game of tennis, the player controls a racket and must hit the ball. However, each level has its own features that make the game more interesting.
Star-WiredFREE
Repair the circuitry of your Starship and clear out the intrusive programs in a cute and casual puzzle game. Plug in cables, activate moving objects, and dodge malicious entities on your quest for success!
Gravity SphereFREE
Gravity Sphere is a 3D puzzle game where you use gravity fields to manipulate and guide projectiles through increasingly difficult levels. Strategize, aim, and solve challenging puzzles in a futuristic, physics-based environment.
SpacemancerFREE
You will peek, manipulate and travel through the chaos dimensions in search of energy stabilizers to fix the messed up world.
DoombaFREE
DOOMBA is a sci-fi cleaning simulator adventure made from Ringling College. Your job? Clean the infected cargo ship and eliminate the source of the infection. Led along by the snarky ship AI, you'll pick up tools and upgrades along the way. Just be careful- In space, no one can hear you clean.
CAYNEFREE
Hadley wakes in a facility. She is 9 months pregnant. They want her baby... CAYNE is the FREE, isometric horror game from the creators of STASIS.
Jetscout: Boot CampFREE
Boost and flip through 3 unique missions of various difficulties with a jetpack before your first real mission in the game Jetscout: Mystery of the Valunians!
Star VortexFREE
Star Vortex is a casual game where you gather stars, avoid the asteroids and try to set a high score.
Axan Ships - Low PolyFREE
Sci-fi RTS and Top-Down
Drekirokr - Dusk of the DragonFREE
A classic-inspired RPG set in a post-apocaliptic world.
DR3AMyFREE
"Players, please break the chains of Amy's nightmares with DR3AMy!" Break free from nightmares with the lovely DR3AMy android and Amy. This game contains visual and auditory horror elements. It is not recommended for the elderly or those with a weak heart.
Kitrinos: Inside the CubeFREE
Kitrinos is a 1st person adventure game reminicent of Myst or Zork, part of the Black Cube series (ASA: A Space Adventure...). Play as an archaeologist who's forced to pass brain challenges to prove the value of his people.
MortmentumFREE
Fight endless waves of different enemies using your grappling hook in clever ways while trying hopelessly to stay alive just a little longer so you can get a higher score.
Neospace: PrologueFREE
You wake up in a spaceship, you realize that strange things are going on there, you try to get back to civilization. However, this is harder than you think, the encounters will drive you crazy and you will doubt yourself.
Kessler SyndromeFREE
Alone in orbit with a corpse and no way to reach Earth, play as an astronaut who must keep a defunct space station aloft. Maintain the onboard systems, deal with the constant threat of space junk, and navigate the dark halls in zero-gravity. Day by day more systems fail, and the void draws closer.
homeboundFREE
Tasked with finding humanity a new home, a lonely astronaut braves a desolate planet while making a fluffy friend along the way. homebound is a short 2D puzzle platformer that explores the feeling of home.
Project GravityFREE
Take the role of a test subject tasked with testing out a new experimental device capable of changing the gravitational pull of any objects it is used on. With this at your disposal, you must complete a few puzzles in this short single-player experience.
Neon Blight$19.99
Welcome to Eden, the old town district beneath the megacity. Fight through dystopian cyberspace, collect hundreds of firearms, establish an exotic black market gun store, cater to other cyberpunk runners, and work towards the ultimate payday in this neon-rogue-lite, store management, shoot ‘em up.
Alien Wall$3.99
Alien Wall is a powerful genre mix between a brick breaker and ‘shoot em up’. Modern retro Arcade fun at its best!
Shotgun Legend$0.99
Eugene must battle aliens and the undead in search of a truck rim, as it seems to be his ticket home.
絶体絶命少女 虚空の方程式FREE
少女の絶命まであと30分…。 『絶体絶命少女』は、"冷たい方程式"や"トロッコ問題"をオマージュした短編SFビジュアルノベルです。 母親に会うため宇宙船に密航した少女か、宇宙事故に遭い救助を待つ遭難者たちか、あなたは命の選択を迫られます。 救う命を選び、少女の運命を見届けましょう。
AstroballFREE
Astroball is a physics based platformer set in space. Explore 31 levels full of different obstacles and paths, unlocking unique skins that alter the physics of your ball, on your way to collect all the gold medals!
Blossoms Bloom BrightestFREE
A sci-fi, yuri visual novel with a dollop of mystery.
GNRBLEXFREE
Can you keep the Gnrblexian Mind Maggot, a parasitic creature that feeds on human brain energy, from going extinct? Do you want to? ...but why?
We Went BackFREE
We Went Back is a time-looping horror game in which you wake up in an abandoned space station utterly alone. The exit door is locked and you must find a way to escape what lurks within. Find clues, experience dynamically changing environments and confront terror in order to find a way out.
Beneath a Steel Sky (1994)FREE
After being abducted by brutal soldiers and his kinfolk butchered, Robert Foster finds himself in Union City - a vast metropolis under the tyranny of a fascist AI. Alone, save for the circuit board of his best friend, Foster must discover the sinister truth - and why they specifically came for him.
Table BallFREE
Table Ball by Lockyz Media is the ultimate virtual arcade game! Compete against friends or the computer in exciting matches of top-down Ping Pong. This game is perfect for players of all skill levels. Start playing today and see if you have what it takes to come out on top!
Traitorous TrekFREE
Welcome to Traitorous Trek ! Immerse yourself in a universe teeming with deception, betrayal, and nail-biting tension. As a member of an interstellar fleet, your mission is to unravel the hidden shadows lurking within, thwart the conspirators' plans, and safeguard the future of humanity.