Top similar games like Asteroid Core:

A whispering flame craves souls. With each offering, your resolve strengthens. Fight spirits, collect their essences, and feed a hunger that may never subside in this short eerie incremental game.

Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.

Planet Gemini is a factory building and tower defense game. On two planets that crash-landed during a dimension trip, survive against incoming enemies and research on a portal to escape.

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!

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!

An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

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.

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!

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

StarShipdle is an indie game that runs on your monitor while you do other stuff. You’ll be overseeing a spaceship as it explores the universe, managing upgrades, tracking progress, and following the story.

Expand among the stars! It is 72k years in the future, and a new wave of Human expansion abounds. Join the ranks of the Ecxos, prep star systems for habitation, and develop your tools and ships to enterprise ever faster and further.

Refactor is a hard-core tower defense game that combines modular building, route planning, and element composition.

Defend your planet from relentless stream of incoming asteroids in this fast-paced 2D tower defence game. Strategically place defensive buildings and upgrade your arsenal to protect your world from destruction!

Terminal Descent is a terminal-based mining incremental game. Upgrade drills, automate operations, smelt metals, and descend deeper. ASCII graphics with active/idle hybrid gameplay in your terminal.

Step into the world of Defend from Candyland! where retro tower defense meets strategic depth. Plant and upgrade trees, use powerful buffs, and reveal enemy paths to shield Eden from waves of candy invaders. Master the challenge now!

Defend the CPU of your computer from the waves of virus invasions in this pixel-art tower defense game!

Defend your Nexus by placing mirrors and buildings on the path of your projectiles. Deflect, empower, manage and solve each map using your creative and strategic mind.

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?

The Rift Machine is an incremental game about harvesting resources from inter-dimensional anomalies. Research technologies, manage resources and deploy contraptions to gain knowledge, wealth and power.

Gutfarm is a top-down 2D pixel art game that blends farming, tower defense, and survival elements. On this alien island, you will expand and grow your farm by planting crops, unlocking genetically mutated varieties, defending against waves of monster attacks, collecting relics, and more!

Goblin Buster is an incremental tower defense game with deep upgrade mechanics. Obliterate annoying goblins, collect materials, discover powerful relics, invest in unique buildings and spend your resources to upgrade towers and magical spells with a massive skill tree!

Keyclash is a simple tower defense roguelike about building on keyboard keys and surviving as long as possible.

Match colors to build your own spaceship! Explore space and fight alien spacecrafts while acquiring weapons and upgrading your red ship. Become the space pilot you’ve always wanted to be.

Clicky Coven is an incremental game about building a witch coven. Assign witches to gather ingredients, brew potions, and sell them to earn gold. Spend gold to get more witches and pick from upgrades to enhance them. Use prestige upgrades to strategize on how you want your coven to become rich.

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

You were chosen for the Planet Keeper Program. Defend the planet in this retro-inspired incremental game. Upgrade our defenses, destroy our enemies, ensure our future.

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

Produce Androids and create a Fleet that will help you conquer new planets. Mine valuable minerals that will further increase your production capacity.

Build defenses to protect your mining sites from the hostile native alien species. Explore the planet and discover the true reasons you've been sent here for. A true old school pixel-art experience.

Using your knowledge and expertise, make your way through the planet, scavenge its resources and plunder until you are the most powerful factory owner in the universe!

SQUARS Corp has assigned you to a new planet. Build your base, learn new skills, obtain powerful modules and defend against massive waves of various enemies in this stylistically minimalist, roguelite mix of tower defense, horde survival and clicker game, where EVERYTHING IS SQUARE!

Use your special ops units to construct base facilities and towers to protect them from the ever-increasing threat of alien invaders in this Tower Defense game with a city-building element! Research their weaknesses and develop defenses before mankind runs out of time.

Cosmos Imperius is a top-down planetary colonization and factory building strategy game in which resource management and exploration await you. Play singleplayer missions, explore the galaxy, discover new worlds, create industrial centers and grow food to grow your empire.

Slay giant bosses and turn the hollow wasteland into the almighty kingdom! Endlessly rewarding incremental game where you collect fountains of rare loot, unleash crazy combos and watch the monsters fall under your knees. Boss Rush that keeps on going when you're gone!

Stellar Routes is a transportation management game set in space! Draw routes between planets and watch as ships transport aliens across the system. Buy, upgrade, and slingshot ships to ridiculous speeds to get these aliens home before they are cast adrift.

A hybrid factory builder / incremental clicker game. Starting from humble beginnings, master the many crafting processes to build up resources and expand your factory. Then, using your newly automated production, unlock new technology and grow ever closer to your goal of spreading to the stars.