Top similar games like StellarDefender:
StellarDefender $1.99
Search for the scattered items within the planet to prevent a planetary collision.Let's search for supplies scattered across the planet, build a foundation, and launch a compressed-power missile to eliminate other planets that threaten the Delta planet.
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FortressCraft Evolved!$12.99
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Iron Marines$14.99
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
Bloodsports.TV$9.99
Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws.
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.
Bee Island$9.99
Take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!
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!
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!
Landfall ArchivesFREE
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
XR22-SEAGUARD$3.99
XR22-SEAGUARD is a PC and VR game that reimagines the classic grid-based game of Battleship. This immersive PC and VR game puts you in the heart of a dynamic 3D industrial environment, where you'll strategically place and sink ships using state-of-the-art weapons and defenses.
Field of Honor$4.99
Field of Honor is a single-player game that combines elements of first-person shooter and strategy, set in the Napoleonic Wars, American Revolutionary War and American Civil War. You can take command of massive battles or engage as a single soldier to defeat the enemy in various game modes.
Astral Guardian$9.99
Build various towers to resist the large number of monsters coming from the wormhole, by extending their walking routes.
Exo TD$19.99
Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.
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.
Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...
Titanic: The Experience$3.99
Experience the Titanic in all of its glory, witness the iceberg collision and the sinking of the most famous ocean liner. Relive that fateful night on April 14th 1912 and experience what that night was like.
Rail Walkers$9.99
Rail Walker, noun, a semi autonomous rail-mounted turret attack weapon. Defend against the swarms of intelligent insects threatening your mining infrastructure. Construct rail tracks, strategically move, repair, recharge, reload and upgrade your rail walkers in the battle against these enemy waves.
Planetary Settlers$4.99
Planetary Settlers is a family friendly game with real benefits! Learn about the solar system as you play. Experience realistic gravity as you control Blue 42 on each planet, completing mini games, uncovering secrets, solving puzzles, and completing quizzes to enhance your abilities!
Candy Disaster - Tower Defense$13.99
Candy Disaster is 3D trap-style tower defense game where you guard candies against alien thieves! Unlock powerful and clever traps, choose your arsenal for different bases, and find the deadliest trap combination - then watch those space goons walk into their death!
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!
Pit Blocks 3D$19.99
Pit Blocks 3D is a cube-matching arcade style puzzle game where you manipulate falling bricks of different shapes and sizes. The goal is to stay alive as the speed increases over time – and to rack up as many points as possible before the pit fills up with bricks!
Orbital Defence Command$0.99
A third person arcade shooter set in orbit above earth. Craft and find puzzle blocks to liberate captured alien continents. Defend yourself and your blocks from constant alien attacks and avoid a variety of obstacles and disasters. Watch out for the enemy bosses when you liberate a continent!
Mars Colonization$0.99
The time has finally come when we can enjoy a new stage in human development!
Stellarcraft$9.99
Stellarcraft is an exciting sci-fi tower defense game where you explore planets, gather resources, and fend off enemies—solo or in 4-player co-op. 🚀
Stellarcraft The PrologueFREE
Stellarcraft is a thrilling sci-fi tower defense game that delves deep into the vastness of the universe and offers players the opportunity to explore planets, collect resources and defend themselves against numerous threats.
Giant Machines 2017$19.99
Take control over seven of the biggest industrial machines in the world. During the 14 mission campaign you will punch through the snows of Greenland, plow the steppes of Wyoming and travel all the way to sunny Florida. Your hard work will be completed by launching a space shuttle into space.
Solar Systems For Kids$4.99
A family friendly casual game that teaches children about celestial bodies. Learn about the Sun, Earth, Jupiter, and the other celestial bodies that make up our Solar System. You or your child will also be able to create your own Solar System in a sleek and in-depth fashion!
Youtubers Life$19.99
Become the most successful youtuber on the planet! Create videos, get subscribers, attend events, interact with your fans… and grow your channel. Live a youtuber’s life!
Monster Battle Quest$1.99
Recruit and evolve the perfect monster team to destroy opposing enemy. Defeat enemy monsters to earn gold, increase your strength, and dominate the monster world.
BeeFense BeeMastered$9.99
The bees are back… bigger, bolder, better! Protect your beehive fortress against the hornet menace. After all, the best offense is a good BeeFense! Command your forces, manage your resources, and improve your defenses in increasingly challenging battles.
Die, Pablo! - A tower defense adventure$9.99
The world famous chef Louis is mad! He animates all sorts of inanimate objects to attack the restaurant critic Pablo for an alleged bad review of his restaurant. Luckily, Pablo likes playing tower defense games and knows exactly how to defend himself!
Into the Emberlands$6.59
Venture out into the Emberlands and uncover an ever-changing world filled with surprising encounters and mystical creatures! Save villagers who got lost in the Miasma, collect resources and rebuild your village to create a safe haven for your people.
World Crafter TD$14.99
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies in World Crafter TD!
World Crafter TD: PrologueFREE
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies! The prologue for the full game, World Crafter TD!
Castle Story$9.99
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
Beasties - Monster Trainer Puzzle RPG$8.99
Beasties is a lovingly 🧡 hand-drawn 2D monster trainer game with a turn-based puzzle combat, where you take on the role of a Beastie trainer.
House Builder$19.99
Become a one-man construction crew! Travel around the world and through the ages to build iconic designs! Beware of unpleasant temperatures and dangerous fauna!
Mischance$4.99
Mischance is a game about surviving as long as possible with a curse that guarantees an imminent death. Everything in your day-to-day life is now much more likely to kill you. Your objective is to make smart choices and hope that the most simplest of activities don't end up taking your life.
Tin Can$19.99
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
I Am a Rock$1.99
A rock's solar system odyssey.
Between the Stars$29.99
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
To Infinity$2.99
To Infinity tells the adventures of a schizophrenic astronaut. The astronaut escapes from the world and goes to search for other planets where he can live with his spaceship, and in the meantime, he constantly makes parkour, witnessing the epic view of the universe.
Countermeasure Pioneers: Modern Drone Battlefield$5.99
"Countermeasure Pioneers: Modern Drone Battlefield" is an instant strategy shooting game. Players need to operate precisely, controlling soldiers to release specially-made drones equipped with net guns to capture enemy drones and disable them.
Crab God$19.99
Crab God is an atmospheric underwater strategy game. Guide your Crabling colony through wild ocean depths, and defend the egg of the next Crab God.Restore and protect diverse coral reefs, making a difference in the real world as you progress in-game. Make waves, praise the claw!
Paleo Pines$29.99
Welcome to Paleo Pines, a charming island known for its friendly dinosaurs, quirky townsfolk, and mysterious past. Befriend dinos and enlist their help to fix up your ranch and farm crops to create your cozy dino sanctuary! Then set out with your companion, Lucky, to uncover the island’s secrets.
Boat Builder: Andy's Story$9.99
In this game you have to play as Andy, an experienced yachtsman who starts his new way of life working at his own shipyard. Buy materials, build boats and yachts, complete orders. Start with something simple and build your skills from fishing boats to racing yachts.
Cypress Inheritance: The Beginning$59.99
Lorna Ritten has learned of Alfred Cypress, her grandfather whom she has never known. Her family past has always been somewhat of a mystery and now she learns of an inheritance. An inheritance of which she has no idea of just how important this actually is to her and to others.
Dust Fleet$19.99
Assume command of a battle fleet and deploy immediately to the Dust Zone, commander. Our main food supply station has gone dark and the United Earth Nations (UEN) needs to know why in this 4X RTS space sim. Manage your ships, control space stations, and watch your back.
Stable Orbit - Build your own space station$19.99
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
DOTFI$1.99
Do you have what it takes to defend what is yours? This is not a typical tower defense game where the troops do all the work. This is a hybrid FPS/TPS tower defense game which you take over the control to defend your island.
Survive: The king killer$0.99
Survive: The king killer is a one man team with a one life only game that is an open world survival game.
Make Your Kingdom$14.99
Make Your Kingdom is a city-building game unique to its genre. Play as a founder of the settlement — help build your kingdom, carry the resources, talk to other settlers, motivate them and fight off hordes of orcs with your own sword!