Top similar games like Halley Mission: 2061:

Triton Survival is an open world survival game about exploration, construction, engineering, and fighting on planets. Embark on this interstellar adventure and conquer the galaxy. Are you ready?

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

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.

Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

As the AI responsible for a Generation Ship, you are humanity's last hope. Build efficient raw material cycles and help your crew in a realistic real-time simulation to survive the challenges of space on their long journey to a new home!

Welcome human to the World of Crypts! Here, living or perishing is up to you! Essence is everywhere, allowing mortals to reach even the divine.

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.

Yuri’s Resolve is a single-player factory-building game set in Mars' orbit. Salvage wreckage, mine Phobos, construct manufacturing systems, and forge a path back home. Operate from the immersive cockpit of your ship as Yuri’s Resolve delivers a bold, innovative take on the factory building genre.

Hell Galaxy is the only game where you can experience the fusion of space battles, RPG elements, eerie specters, and daunting titans. Embark on a dark sci-fi odyssey through a galaxy teeming with ancient alien ruins and hidden secrets, where nothing is human. Not even you.

In Astrosphere, a sci-fi strategy adventure game, you build a space station, explore galaxies, equip spaceships, and tackle risky missions. Gather resources, research technologies, and write your legend in the cosmos!

Sequel to a sci-fi exploration game Ironseed written in 1994, continued in Ironseed 2: Consensus, and now in Ironseed 3 : Vigil!

Protect the lighthouse, destroy nests and complete tasks.

Fly, fight, and level up!

Play as an astronaut on our moon in the future. Your task is to prepare the moon for future colonies by terraforming. Collect resources, explore procedurally generated caves, build buildings and create a second world for you and our earth.

Time and space foam island, unknown biological resources, construction base, adventure trip. 1. Build roads. 2. Arrive at space-time foam to obtain rare materials and advanced equipment. 3. Don't leave the road. 4. Demolition or PK. 5. Continuously opening up more features.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

Asili Forest Gold is a game about exploration and mining in multiple environments. Pick a mission or contract.

A lone space commander explores real planetary surfaces, builds small outposts, rescues stranded astronauts, and fights to survive in the cold silence of the Solar System.

Build your ship, defend against drone waves and explore hundreds of sectors filled with stations, asteroids and planets with lots of POIs. The ship systems can be controlled via consoles with several hundred buttons. Craft equipment and blocks, loot the POIs and disabled drones.

After the supernova explosion, the Thermian race was destroyed. All knowledge, technologies and data about the past were lost. You must to restore civilization and explore the territories of your home system in search of lost technologies and artifacts.

Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.

Welcome to this innovative sci-fi open-world! As the last survivor of humanity, build a home on a wild alien planet. Reignite civilization—from primal survival to advanced energy systems. Use the Planetary Control Module to reshape the world, uncover human secrets, and journey back to Earth.

Travel between dozens of stars, harvest resources to repair and upgrade your equipment, meet and negotiate with friendly (and hostile) aliens, and do whatever it takes to stay alive and bring Earth back in this groundbreaking sci-fi RPG.

Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.

In Cosmic Remnants, you find yourself adrift in space with only a floating platform. Alone or with friends, survive by scavenging resources, upgrading your platform, and enhancing yourself with discovered body parts. Explore advanced bases and uncover the truth behind humanity's demise!

The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.

Craft your settlement, survive the cursed island, and uncover its dark mysteries. Strengthen your character by mastering new skills, learning recipes, and gaining favor with factions. Battle the Blight, a lingering curse of black magic that threatens to consume everything in its path.

In the distant Milky Way galaxy, there hides a mysterious planet named Mozi Planet. This planet has a vast and boundless ocean, and every drop of seawater is shining with a mysterious light, as if telling the ancient interstellar secrets.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.

Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.

Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.