Top similar games like Helixteus 3:

Unlimited is a new generation voxel world game in a mysterious universe. Together with unlimited possibilities and an immersive story, we aim to make the best voxel world game. If you enjoy any other voxel game, you will probably enjoy this game even more.

Embark on a Colony in Space. Build a base to ensure your colonists survive. Explore, mine resources, craft items, and thrive in a realistic atmospheric and electrical simulation. Watch out for potential dangers before it’s too late!

Galactic Mining Corp is a unique rogue-lite, action game with crafting and base building mechanics. Head into uncharted space and discover a universe of locations to exploit for riches! Use your profits to expand your HQ, hire a crazy work force, obtain new drill components and upgrade everything.

Space-colony simulation game. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.

Become a space mining astronaut in this chill rogue-lite mining game. Explore, mine and complete objectives while unlocking and upgrading your equipment along the way.

Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!

HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!

Facteroids is a 3D factory building game about asteroid mining in space. Prospect, mine and manage your production lines in a variety of scenarios and procedurally generated worlds across the entire Solar system.

Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.

Primal Lands is set in the Stone Age, you will take control of a small tribe that you must guide in surviving what lies ahead. Unknown to their surrounds you must take each action carefully.

LithoBreak is a sci-fi survival crafting game packed with resource collection, construction + repair mechanics, orbiting moons, and science-backed simulations. Explore the Aristarchus star system, build complex production systems, and fend of the ever-growing VECS threat.

Based off the original Merchant RPG, a new Idle RPG space exploration experience!

The Last Starship is a space-based construction, industry & factory game, currently in Alpha (expect regular free updates). Design star ships and take on a variety of missions from mining and passenger rescue to combat whilst working on the greatest engineering project ever attempted by humankind!

A Planet of Mine is a mini procedural 4X. Starting from a single and unique planet, survive, gather and combine resources, develop your technologies and start the conquest of space.

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

You control a small colony in the underground of an unknown planet. Mine resources, build a base, explore the world and technology. Supply your colonists with oxygen, food and energy so that they can carry out their tasks.

Make robots and spaceships,explore the space,fight with aliens.

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.

Red Planet: Survive is a first person survival game for Microsoft Windows. Surviving in the harsh conditions of the Red Planet will be hard, but if you are strong enough, you will succeed. Find the best way to survive, but be careful, since each wrong step will ensure your demise. The environment is your main enemy.

Sci-fi colony management with a focus on expansion and exploration. Dig out the underground and explore the surface of an alien world as you rebuild your facility, grow your colony, manage colonists and robots and discover the mysteries of a new home light years from Earth.

Rebots is a first-person automation game with an expansive universe to explore. Using intelligent(ish) rebots, you can gather resources, terraform planets, and scan all of the things. Traverse the galaxy in the name of space capitalism!

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.

Deep Space Outpost is a space station building & survival game, involving resource and base management. Build your space station tile by tile, mine asteroids, refine materials and keep your station operational.

A factory building game on an infinite procedural world. Build a smart factory that manages logistics automatically. Trade, negotiate, and fight with Colonists, Rebels, Terrorists, and Pirates.

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 the Dark Souls of mining games! Manage limited time, limited crew, and hazardous materials as you dig up fuel and resources. Craft upgrades, build bases, and take risks. Just make sure to keep an eye on the fuel gauge.

Inno World - interesting sandbox, there you can change landscape as you want.

Weird Wormholes is a casual game about traveling through wormholes to try and get back home. Use your ship to mine planets for resources and process these resources into components to enable your travels.

Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.

Factor Y is a relaxing, large-scale, multi-planetary, mega factory automation game. Mine resources, craft new items and structures via recipes and generate your own, custom building blocks. Expand your factory to span across multiple planets.

Final Factory blends factory building, spaceship design, and a rich universe to explore. Build a mega factory and command a massive fleet against the hostile local aliens. Discover new technologies and unlock the secrets of an ancient civilization as you explore an infinite cosmos.

A small quick game about building a factory to launch planets into a solar system! Grow your base and increase production to make the ultimate factory for launching planets!

Craft and automate an industrial empire from scratch! Experience a strategic game teeming with challenges as you manage resources, overcome hurdles, and optimize production chains. Are you ready to conquer the challenges of Incremental Factory? Your journey starts here... The Factory Must Grow!

Another world is about to become a resource colony for your Creator. Prove your usefulness. Spread your influence across the planet. Take all resources you can reach. Build a base on the surface and in space. Сomplete the construction of an intergalactic beacon to absorb the entire planet.

A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.