Top similar games like Starfend:

Defend entire planets against hostile invaders in this full 3D tower defense game. Manage resources and space while constructing weapons, defenses, and structures to withstand the destructive onslaught across multiple planets.

Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

A tower-defense game with roguelite elements on fully explorable mini planets! Travel the galaxy of Vyrosa, land on planets, and defend your drilling equipment while mining fuel to continue your journey throughout the galaxy!

"SYNCHRONIZERS: Undead Marines" is a high-quality three-lane Tower Defense and Reverse Tower Defense game for a single player initially (and online coop in a near future) for Windows. This feels like the perfect mixture of StarCraft with Plants Vs. Zombies!

Geometry Defense: Infinite is a classic infinite tower defense game where you must build a maze to slow enemies and build towers to destroy them. An action-packed and engaging game requiring focus to take on challenges and test your skill.

Electromaze Defense is a classic tower defense game where you create your own maze. With a wide variety of maps, towers and upgrades, Electromaze Defense will keep you hooked for hours on end! Can you build the perfect maze?

The assassination of the Blessed Mother has plunged the galaxy in darkness. Usurpers rule with absolute authority, and blood flows in rivers of red across the stars. Only the Protocol can restore Her light.

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.

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.

Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!

Operation: Polygon Storm is the ultimate tug-of-war strategy game. Capture the enemy base by mixing different builds, fielding unique soldiers and experiment with a huge variety of Killstreak rewards. Compose the best army, overwhelm your enemy!

Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.

Stop an endless hoard of crystal-type enemies, with different attributes, from reaching the portal to earth! You can build your own labyrinths, unlock new turrets, upgrade them, unlock abilities, and also gather permanent bonuses.

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense game. Fight increasingly difficult hordes of aliens as you adapt to challenging new battlefields designed to test the most strategic mind. Do you have what it takes to persevere?

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

The enemy is approaching. What's your strategy? In this fusion of Tower Defense and Autobattler, optimize the power of your turrets, create strong synergies and wisely choose your bonuses... Or your maluses! Will you be able to defend your city against the hordes of furious monsters?

Ardent Seas blends modern naval combat with classical RTS gameplay. Featuring three unique factions, supporting a variety of playstyles.

Kaiju Commander is a strategy game where your main task is to dominate the whole world. To achieve this goal, you will be managing an evil corporation that breeds powerful monsters known as Kaiju. Develop your underwater base, gather resources, and dominate the world!

6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!

Use your customisable super-drill to carve your way through asteroids to reveal the riches held within. Use your new-found wealth to buy upgraded parts for even faster destruction! But be careful - failure to make a profit for the Star Mining Co. will terminate your contract, and YOU, permanently!

Dive into the pulsating universe of Virus Infinite. Harness your logic to outsmart vibrant viruses, using color-matching prowess and Power Pill strategy in this captivating sci-fi puzzle game.

Atmospheric unique minimalist tower base defense game. Highly addictive.

Protect your inbox from spam to find a message from your crush. A Tower Defense game with new mechanics in virtual setting about online dating.

Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.

Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction.

The planet is flooded with a mysterious green acid. Help Swoon and the rest of the crew escape the Earth. Collect all the mechanical parts of your spaceship and face the most daring bosses in this epic retro-style journey!

On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.

Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.

Lead the operations of an artificial intelligence program with only one aim – to clear the Earth from the remains of humanity. Conquer the world campaigning on a single-player dynamic battleground or play with your friends during a real time strategic gameplay.

Manny TD is a hybrid tower defense and third-person shooter with random in game elements. Join and get your personal high score!

Idol Keeper is a 3D one-player turn based game where you have to make many strategic choices as you face demon waves, with many random events guarantying hours and hours of unique gaming time.

Build your own cardboard fort and defend it against swarms of enemies. Gather resources, craft weapons and set traps. Be creative, improvise and experiment to win.

Stratside is a Puzzle Defense game where you save planets from a gravity-changing enemy! Place gadgets to attack the intruder! Combine your resources strategically to defeat the enemy before he reaches his goal! DON'T let him press the red button! This game is like the opposite of Lemmings!

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!

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.