Top similar games like Helixteus 3:

Exovia is a physics-based mining and automation sandbox in space. Survey asteroids, engineer zero-G logistics without conveyor belts, and design complex Newtonian factories. Turn floating chaos into perfect order and experience true inner peace as you solve one satisfying problem and then the next.

Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

Build and expand an orbital station in this idle/incremental space colony sim. Manage crew, resources, refinery chains, research and ship expeditions as you progress from Earth orbit toward new planets.

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.

Build your space station, design your own ships, and explore relaxed sci-fi sectors in Astrosphere. Gather resources, research new technologies, and shape your journey through the cosmos at your own pace.

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!

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.

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

A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.

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.

LithoBreak is an Early Access industrial survival game rebuilding toward one moon-site loop: boot up the console, build the first site, and help shape a science-driven survival sim.Play with Science

A physics-driven automation game where your workers bounce between buildings like pinballs. Design bounce paths, build production chains, and survive asteroid waves.

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

The Ignition Protocol is an incremental, top-down mining game set in space. Mine and haul asteroids in zero-g, build and automate your base, and ignite a new star - the last light in a fading universe.

Challenging space-colony sim. 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.

A survival engineering game where you build life support habitats, mine resources, and automate production chains on a radiation heavy planet. No rescue. No support. Just engineering.

The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

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.

A living pixel sandbox where every grain simulates - and every world hides its Keepers. Dig to the abyss, sail past the clouds, tame a horse, farm, brew, and build. Face seven sim-bosses you defeat by reshaping the world itself, and mend the heart of your world.

Top-down space trading and combat on a working frontier. Run cargo, hunt salvage, fight pirates, and build a corporation that survives twenty cycles of pressure from the Cryos Foundation, the Frontier Allegiance, and the Sable Syndicate.

Cats are taking over the universe. You're here to help. A colony sim where cats settle procedurally generated planets under the PAPPUS Program. Build your cat colony while exploring the universe's mysteries. Spread feline dynasties among the stars.

Factory management and sandbox base building in zero-g environment. Survive, expand and then dominate space industrial market. Build large scale resource processing plant completely from nothing.

A 2D space trading game with a real economy. NPC ships haul cargo between 78 stations and prices move whether you're there or not. Good routes die as other traders catch on, so you keep hunting new ones. No quest markers, no "best trade" arrows. Just you, a map, and the prices.

AECP is a chaotic 2D roguelike factory builder inspired by games like Factorio. Build unique and wacky factories using whatever means you have available, and use your revenue to expand further!

Build a living factory and automate the Swarm. Harvest resources, construct mega factories, and grow a colony of specialized biomechanical bugs. Balance growth, efficiency, and creep spread before hostile robots squish you for trying to consume their world.

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.

Orebound is a dwarven themed factory automation game. Play alone or with friends as you build, mine, craft and explore a voxel generated world! Build your fortress, expand your factory, fight off creatures who dwell beneath the mountains and embark on a journey of greatness.

Deep Claims is a space exploration game where you upgrade your ship and equipment in order to mine increasingly valuable and hazardous asteroids. Can you make it to the core?

Manage your parcel, build, collect and expend. Research to unlock new possibility. Explore to increase profitability. Dive under the surface to discover secrets. Is this planet hiding treasures or threats?

Build your warship and explore a galaxy full of unpredictable encounters. Master bullet-hell combat and survive multi-phased boss fights to take down your targets. Evolve from a simple fighter into a true dreadnought as you hunt down the galaxy's most wanted!

Harvest crystallized time from parallel universes where people waste their lives playing idle games. Build extractors, automate logistics networks, and research new technology to fuel Bill Tyme's time machine in this factory-building incremental game.

Tired of office life, you go to live in nature. In this new life, you have to build, craft, farm, fight and interact with the locals.

Build an industrial base among the stars. Gather resources, manufacture ships, research technologies, and explore unknown regions of space. The core gameplay can be played offline, while alliance features add online missions and cooperative construction.

A chill, top down automation game about mining asteroids down to the core. Build bots. Figure out logistics. Automate yourself out of a job.

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

Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.