Top similar games like Asteroid Core:

An AI menace is headed to your motherboard! CAN YOU SURVIVE?!

Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.

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!

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

A sci-fi idler. Upgrade your ships, get new items, and conquer the stars.

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.

Kingdom Incremental is a satirical city builder and incremental game. To be the wealthiest ruler, you must build a fortified settlement and balanced economy, strategically invest in upgrades, and expand your kingdom across the globe! Then burn everything down to start again with even more power!

A sci-fi real-time strategy game. An existential war among asteroids in classic RTS style. Build and defend, produce and upgrade, attack and annihilate!

Build levels to collect scrap metal. Unlock more blocks with different purposes! New robots with different reactions to them!

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.

Embark on a Galactic Adventure in Bitosphere a Captivating 1-bit Clicker Game

Atmospheric unique minimalist tower base defense game. Highly addictive.

Xentron Attack is a multi-directional shooter. The evil alien forces called Xentron have invaded your galaxy and spreading dangerous meteors and missiles in the space. Fight with smart enemies who calculates your movements. Turn your ship precisely and use the borderless space wisely.

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!

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.

Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme. To explore more planets and meet cute aliens, you have to constantly install parts and upgrade spacecraft.

A vertical arcade shoot'em up with an inventive teleport system, lots of fast-blazing action and explosions, tons of boss fights, a risk/reward based score system and a proper challenge for both veteran and new players of the genre.

Idle Skilling is the ultimate Idle Game with years of content! Meant to be played for 5-10 minutes a day, you gradually unlock new skills like mining, fishing, pet breeding, crusading, potion-making, lab-research, construction, and more! With new updates coming, you'll never run out of stuff to do!

Grow your planetary empire from a small base to a massive production powerhouse in Planetary Factory. Balance inputs and outputs to maximize profits and minimize waste, research advanced technologies, and build a formidable military to conquer hostile planets.

Vacuum Warrior is a Free to Play incremental idle game. Listen to the crisp crackle of dust and debris entering your vacuum as you vacuum ridiculous amounts of dust. Upgrade your vacuums, idle gains, and robot vacuums, earn achievements, and explore numerous locations in the Vacuum Warrior universe!

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.

"Astro Wings: Space War" is a retro style, exciting and authentic bullet hell, space shooting game.This game brings you the thrill, urgency and fantastic experience of an authentic arcade shooting game.

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

A nostalgia-infused pixel clicker in a comedy wrapper. 

Idle Slayer is an incremental game with idle and active playstyle mechanics, medieval pixel art visuals and retro 8-bit sounds and music.

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.

Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.

Embark on an epic tower defense journey against the relentless candy onslaught. Strategize, upgrade, and conquer in this challenging pixel art adventure. Are you ready for the sweet challenge that awaits?

Supply energy to many spaceships in this small, chill resource and time management game, inspired by Overcooked. A Cooked-Like, if you will!

STDB! is a rogue-like game about hardcore mercenaries and space marines escaping from a very cozy planet filled with monsters, nuclear fire, viruses and pixelated violence.

A quick and action paced retro styled arcade shooter, or shoot 'em up (shmup) if you like. Perfect to play in short chunks, like when you are waiting for big games to download.

Experience "Drill to the Stars," an innovative twist on tower defense. Utilize the unique energy system, strategically guide enemies through your base, and choose your favorite towers in exciting events. Various champions and procedurally generated maps provide endless roguelike enjoyment.

Rift Riff is a minimalistic tower defense game. Build towers at strategic locations and survive increasingly more difficult waves of enemies.

The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now.

Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.