Top similar games like Orbit: Satellite Defense:
Orbit: Satellite Defense $3.99
Protect your planet from alien invaders in this unique RTS experience. Freely reposition Satellites and manually dictate their targets. Manage your Energy reserves to send Satellites into orbit or unleash Planetary Powers.
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1000 days to escape$4.99
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
Keng's Little Universe$5.99
The game is divided into three parts, which simulate three stages of civilization respectively. The first is the survival of civilization in a multi-stars system. The second is the expansion and war of civilization in a galaxy. The third part is the exploration of god civilization in the universe.
Industries of Titan$29.99
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!
Satellite Command$9.99
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Lord of Rigel$19.99
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
Advisors at the End of the Universe$4.99
AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.
Orbit-XFREE
Launch a rocket. Extend the Antenna. Set your internet service price and start making money. Oh and shoot down asteroids if they threaten your satellites.
Satellite Repairman$1.99
All the planets in the system have suddenly decided that the galaxy isn’t big enough for all of them! You’re not sure who launched the first missile and it doesn’t really matter! You’ve got nothing to do with it… you are just… the satellite repairman!
Corpoct$9.99
Test your wits as well as your ability to lead an expedition in this deep space dungeon-crawler. Hire the best heroes and villains of the galaxy. Find unknown planets in uncharted space. Start small, plan big and get a fleet of warships capable enough to rival most fearsome enemies.
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.
Bionite: Origins$11.99
Bionite: Origins is a Tactical Shooter game based on vehicles. The game uses a combination of Aircraft and Tank physics to produce a unique gaming experience based on hover propulsion. Players can command pilots and build bases in 1 vs 1 team games or with up to 8 other players.
SPACE TOW TRUCK - ISAAC NEWTON's Favorite Puzzle Game$9.99
Control gravity, orbit around black holes, and have fun mastering physics with your car in space! With this educational puzzle game, only your genius and your analytical skills can get you out of trouble after a painful car crash on the Moon!
Kerbal Space Program$39.99
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Satellite Reign$29.99
Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.
Zero GravityFREE
Zero Gravity is a beautiful first-person/third-person puzzle-platformer simulation game where you will undergo four types of game modes. (Zero Gravity is being recreated, find more info in the 'Early Access Description')
Starsation$9.99
Starsation is a space shooter game made in voxel graphics.
Vacuum$1.99
A 3D first-person shooter in which, by chance, an astronaut gets inside the Earth's Moon satellite teeming with various alien creatures. Survive under the intense music in the style of METAL!
Starport Delta$24.99
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Jumper Starman$1.99
A Difficult Game. Jumper Starman is a Classic Platform Game. A Pixel Art Game for the best players.
Stardust Exile$19.99
Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.
Planetary Defense: An Orbital Turret Defense System$1.99
2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.
THE STARFIGHTER$9.99
A big, immersive, realistic, Full HD and real-time 3D combat flight arcade game. You are a space alien and fly two-seater Griffin Starfighter. You must wipe out evil King Nimrod's buildings, spaceships, rocket launcher equipped armored buggies, drones, etc. and restore peace to the universe.
Attack of the Earthlings$14.99
Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.
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.
Gemini Wars$9.99
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.
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.
Bioframe Outpost$24.99
Bioframe Outpost is a 2d sci-fi action adventure game, dedicated to exploration, experimentation, emergent gameplay, and narrative. Its photography-based approach to non-linear exploration and action gameplay offers a fresh take on Metroidvania gameplay.
The Last Federation$19.99
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
The Protagonist: EX-1$13.99
You’re a highly trained soldier on a mission to infiltrate an alien space station that goes horribly wrong—find your team and discover the hidden truth. Upgrade, Craft, and Discover technologies, Enhance your character’s skills in this gripping turn-based tactical RPG.
Anthropocene Epoch$4.99
A dark atmospheric scifi First Person Shooter. Encounter characters including Jade An A.I implanted in your head, do missions to help others and get you off Earth before the Mantis destroy it.
Inbound UFO$7.99
With a style inspired by the RTS games from early 2000's, a new tower defense combines in a unique way action, tactics, replay value and fun. They are here! Choose your targets, upgrade, replay, discover your enemies and your tactical skills.
The Pegasus Expedition$19.99
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Sector YAMA$9.99
Sci-fi survivors game with a story campaign. Play as a space soldier, abandoned by the command on an alien planet. Find allies, gather resources, train new troops, and escape from Sector Yama. Casual "single-stick shooter" controls, fun tactical combat, rewarding exploration, and rich storytelling.
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.
Mechs & Mercs: Black Talons$9.99
You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.
Stellar Commanders$8.99
Conquer the stars in this straightforward multiplayer real-time strategy game from the creators of First Strike and become a Stellar Commander!
Element$11.99
Element is a realtime strategy space game for people who don't have time to play realtime strategy space games. Generate energy, mine element, build attack and defence units, and destroy the enemy while maintaining a balance between earth, air and water.
One Deck Galaxy$12.99
Roll your dice and cleverly use them to build up your civilization from its humble homeworld, growing to create a Federation spanning countless star systems.
Space Pirates for Life$2.99
A Sci-fi 2D Action Platformer about a Space Pirate who has crash-landed on an unknown planet. Hack, slash and explore this bizarre and challenging retro-style world. (100% to unlock 'Levels' - Tidal Rave's new single!)
Sunshine Heavy Industries$14.99
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.
Arms Evolution: ZOMBIE DESTROYER$5.99
"Arms Evolution: ZOMBIE DESTROYER" is a unique Roguelite tower defense game. You will slaughter thousands of zombies in the game and enhance your weapon towers through build character in the RPG way. and , the game also offers an idle mode, so you can enjoy building weapons anytime and anywhere.
Codex of Victory$14.99
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!
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!
Hell Let Loose$49.99
Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game.
Pod Jam$2.99
Assist alien pods to land safely, solve retro puzzles that come with unique mechanics in this ambient sci-fi adventure.
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!
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.
Galactic Civilizations® I: Ultimate Edition$4.99
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
Invasion: Neo Earth$8.99
Retro turn-based strategy in a sci-fi world of sinister alien invaders. Take command of troops, tanks and aircraft as you position your units for the perfect strike or unbreakable defense. Plot the course of humanity's war against the insidious Sectyd by choosing which missions to fight.
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!
SplitPool$4.99
Stop the invasion on the pool table! SplitPool brings a new twist on a classic pool game! Each time you hit a ball and don't pocket it, it spawns another one—raising the stakes and making every shot count. Use your skills and wit to prevent the table from overflowing.