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Swarming Planet
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The top results based on the latest update are AGE OF ALIENS [Score: 1.2], Micron Defense Force [Score: 1.1] and Earth's Last Stand [Score: 1.1] The top rated games you can find here are DG2: Defense Grid 2 [SteamPeek Rating: 6.4] ranked #6, Taur [SteamPeek Rating: 6.1] ranked #10 and Super Sanctum TD [SteamPeek Rating: 5.9] ranked #12 Also don't forget to check the newest releasesBloodtide Tower Defense [Release date: 2025-12-05] ranked #18, Space Base Defense [Release date: 2025-11-16] ranked #25 and Galaxy Defenders (Classic TD) [Release date: 2025-07-31] ranked #35 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Super Sanctum TD [SteamPeek Rating: 5.9] ranked #12, Revenge of the Titans [SteamPeek Rating: 5.3] ranked #32 and.
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.
On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.
A Roguelike Tower Defense in space with missions to conquer. Can you hold against the spreading alien bosses? Build and upgrade towers against the corruption. Choose your technologies and warpspeed your way to victory.
A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.
Defend your base by placing towers strategically, forming interconnected systems that depend on one another. Adapt your strategy to different environments and enemy waves, exploiting their weaknesses. In System Status: SuperCritical, resources are scarce and critical failure is always an option.
Totally Defenceless is a wave-based tower defence game. You will need to protect your energy cores from the invading alien bugs by strategically constructing a maze of towers to alter their path to your advantage.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Embark on an adventure with Loot Express Delivery Service, a 2D pixel art game. As the commander, your goal is to retrieve valuable items from a distant planet. Utilize your skills and strategy to complete missions and guide your company to prosperity.
Defend the energy cores from ever increasing enemy waves by destroying their spawn gates. Build tower mazes on Hex grid. Adapt them to dynamic changes in the terrain. Face quirky bosses. Design your own levels and share them on the Steam Workshop.
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?
Regain control of planet oasis and defeat your opponent! Build your base, monitor the economy, manage your resources, explore the Map, and plan attack and defense. Build 9 different buildings and 19 different units with various abilities and win the chaotic Robot Battles.
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?
Starfall Defenders is a classic tower defense game that features unique towers and enemies. It also has an in-game shop system that allows players to purchase better towers, upgrade existing ones, and buy special items like the Atom Bomb, Splash Bomb, and Air Supply.
The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all youâve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!
Galactic Garrison is a sci-fi, turn-based tower defense game where you defend your base from relentless alien waves on Mars. Deploy soldiers, build barricades, and upgrade defenses to withstand attacks. Earn powerful reward cards to gain strategic advantages and outmaneuver your enemies.
We've traveled to the past to conquer these fertile lands. Now, you must defend them from the blood cult intent on taking it for themselves. Be careful though: from where their blood is spilled, ancient magicks empower whomever is still alive.
You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.
Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.
Rise of Mutant Swarms is a strategy survival tower-defense game where you defend the base against waves of evolving mutant enemies. Place and upgrade turrets, adapt to enemy abilities, and make critical decisions as the pressure rises with every wave.
Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.
A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?
Dicey Towers is a unique tower defense hybrid that includes a variety of unique enemies, towers, and bosses. Upgrade, combine and, manage your towers to defeat countless waves of enemies as they attempt to breach your kingdom.
Tower defense / Roguelike / Sci-Fi / Pixel Art game with boomer games aesthetics. Mine resources and shoot those disgusting aliens right in their faces. Unlock new technology, develop new strategies and explore the planet. A modern old-school Pixel Art experience with the vibe of 90s classics.
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.
Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.
Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!
The Last Drop is a pixel art top-down shooter where you control the last water droplet on Earth. Battle waves of enemies with unique weapons, customize the map, and compete on the online leaderboard.
A roguelike tower defense with a card-driven twist. Build your deck, carve out tunnels, and deploy defences directly into the path of the swarm. Rank up your chosen Guild and rescue your Dwarven crew to get off this frackinâ slime-infested moon!
ViSP â Virtual Space Port is a creative building game for VR. Construct your own space port out of blocks and defend it against relentless enemies to fortify your space colony!
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.
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