Top similar games like Project Astra Dominium:

Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!

Write code to command your defenses. Overhead is a strategy game where your code is your weapon; script turret (or sensor) behavior in JavaScript, TypeScript, Rust, Go, or any WASM language. Every scenario is seeded and deterministic. Write a better script, get a better score.

Build. Defend. Survive. Expand. A sci-fi base-building game on a hostile alien world. Gather resources, build a sprawling high-tech colony, and defend against relentless alien threats—then unlock new planets, new challenges, and the secrets of humanity’s last frontier.

Hexfall is a planet-scale tower defense game where over 100,000 enemies attack at once. Mine the crust, wire the power and arm a hex world against an armada that fills the sky long before it comes down.

Build, automate, and defend humanity's last factory on a dying industrial planet. Chain production lines, survive AUTON raids and dust storms, research lost technology, and uncover what silenced every factory before yours.

This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.

One pod, one core, and an unsurveyed plot on a green world. Clear the ground, trap native grazers, mine metal and rock, and belt it all into a factory — then build the city that buys what you make. Fill contracts, climb the S&G-15 index, and keep the raiders off your core.

Auto-Astra blends voxel-based construction with deep 4X automation. Design ships and stations, then write or use pre-made LUA scripts to automate your galactic empire. Strip asteroid belts, manage trade routes, and program tactical responses to enemy threats. Your logic, your empire.

Build your star system. Arm nine planets. Then raid real commanders while they sleep — and watch them raid you back. Asynchronous 1v1 base battles, clan wars, and a loot economy where your ore is never safe.

Starship Factory is a construction / space simulation game where you build, test, and optimize rocket production for Mars colonization.

Automate fractal megastructures from simple cubes. Design nested factories that scale into recursive systems. Use conditions and loops to solve progressively challenging goals. No pressure, no costs, just pure creativity and automation.

A strategy tower defence where you create the towers! Gather resources, build towers, defeat bugs, and survive. Unlock new weapons, create towers, gather resources, and die. Don't fall short of the Company's expectations... these resources are worth more than any life, including yours.

On a forgotten world, confront a malevolent machine intelligence. Extract minerals, build factories, power up the railguns, and arm the missile batteries. Defend the Fortress Omega against the alloyed nightmare.

Build and defend a space colony where every unit of power and every crew assignment matters. Expand production, research new technologies, shape the battlefield with walls and weapons, and adapt your strategy against alien swarms across nine campaign operations.

Outer Factory is a peaceful, minimalist factory simulation where you build and automate factories across planets and asteroids. Create complex production networks with simplified building mechanics. Become an interplanetary automation expert.

A sci-fi low-poly tower defense game. Design your defense against waves of aliens using a wide arsenal of different towers.

Astro Industry Wars is a lighthearted, futuristic real time strategy game with base building, economic production chains, colorful worlds, and lots of vehicles.

Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.

Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.

Hold the line in a neon sci-fi siege. Deploy and upgrade 15 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.

Welcome to CoreMine Corp. Your job here is to set up production chains, manage your electricity, juggle contracts and stock-up while upgrading your factory. Time to prove your worth.

Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.

Welcome to Ascend Factory, a factory simulation game that challenges your ingenuity and resource management skills. Immerse yourself in a world of automation and strategic planning as you progress through levels of increasing complexity!

Build the supply lines that keep your guns firing. Feed the Front is a sci-fi RTS where resources and ammunition fly between buildings. Mine small planets, automate logistics, and defend your expanding base against rival commanders and alien bugs.

Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.

Build your spaceship, Gargantua. Establish industries, shape the free market, trade between planets, and defend your wealth. A single mistake can collapse supply chains and trigger interstellar economic crises. Remember, war is money.

Crash-land on a dying alien world and bring it back to life. Build automated factories, master real chemistry and nuclear physics, and terraform the atmosphere one gas at a time — while sandworms hunt the power signature of everything you build.

Gary will do exactly what you tell him. Write code to grow unusual plants, solve increasingly complex problems, and build a garden that runs itself. Unlock new tools, expand your operation, and put a team of robots to work.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

A classic sci-fi tower defense game filled with waves of robots in full 3D. Get rewarded with automatic mini upgrades for well placed towers. As you make progress, unlock even more upgrades for your towers by building factories. Can you unlock the legendary golden tower?

A unique 3D tower defense game set on randomly generated planets! Place towers to defend against 360-degree attacks, protect mining outposts, and survive intense meteor waves. Earn resources, and face endless replayability with dynamic challenges every playthrough!

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

A factory game about building an army. Mine, smelt, and manufacture soldiers on an assembly line, then send them to fight a swarm that grows every hour. The more you automate, the bigger your army. Fall behind and the line breaks.

Welcome to the world of space stations! Create your own space base with workplaces and production facilities. Ensure sustainability and safety, explore space, defend your base, and build diplomatic relationships. Be vigilant and successful!

Write real code in a Python-like language to control one machine that copies itself. Then watch a thousand copies of your program eat a world. A single-player programming incremental game about self-replicating machines.

Autothysis is a first-person tower defense game where strategy meets precision. Deploy turrets, manage resources, and fight swarms of insectoid enemies. Target weak points to shatter foes while upgrading defenses to survive escalating waves. Can you withstand the oncoming horde?