Top similar games like Space One:

Spiritus Astrum is a persistent, open-world, multi-player, roleplaying sandbox. It features an infinite, procedurally generated universe which players are free to explore without restriction. Spiritus Astrum is more than a game, it is a world.

A sci-fi exploration game written in 1994, updated to use a modern 3D engine, and remains faithful to the original. The story is fully intact with only minor tweaks to gameplay and cosmetics. The original game is often compared to Star Control and Starflight.

Precursors, predecessors, the legend of galaxy… Who are carrying the forebear’s genes among existing races, we can suppose only… Worlds of galaxy are everlasting, beautiful, unique and dangerous. Some of them are inhabited, some ruined and deserted, other - just a smugglers trans-shipment stations.

From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.

The conquest of the Solar System has begun – prove yourself as a space colonist! Pilot the spaceship, choose the planet you wish to inhabit and build your new home. However, remember that there are no rules or laws in outer space. Don't underestimate the danger and stay vigilant – enemies are near!

See yourself stuck in the middle of an ever growing virus epidemic. Find or craft weapons and tools to fight against the living and the dead. Build a safe place to survive in this cruel, apocalyptic world.

Funorbit is a space survival simulation with realistic physics, resource gathering, crafting, and building. Navigate a vast universe using orbital mechanics, encounter drifting meteoroids, and construct space stations to survive.

Vault-Tec engineers have worked around the clock on an interactive reproduction of Wasteland life for you to enjoy from the comfort of your own vault. Included is an expansive world, unique combat, shockingly realistic visuals, tons of player choice, and an incredible cast of dynamic characters.

No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.

Will you be the greatest space pirate? Build your ship, plunder enemies, and conquer the galaxy in Zrust!

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!

Build an automated factory on a true-scale Mars streamed from real NASA terrain. Mine, smelt and belt resources, run trains between outposts, master chemistry, and grow from a lone lander into a planet-spanning industry while the real Martian weather does its worst.

After a century in cryosleep you find yourself stranded amidst the ruins of mankind’s first interstellar colony. Explore derelict ships and stations and harvest raw resources in search of air, fuel and other equipment. Or loot and pillage what you need from other survivors. The choice is yours!

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?

Explore a vast universe, uncover the mystery of humanity's demise, gather resources, build bases, and scan the unknown. Your journey awaits in this post-apocalyptic sci-fi adventure.

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.

Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.

Stellar Archipelago is a third-person base builder with a space western flair. Gather resources, build colonies on miniature planets, and grow your population to prove habitability. Unlock the warp junction and open your frontier system to future settlers.

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.

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.

Explore a planet with your friend or alone, upgrade yourself and try to return to Earth in your adventure that begins with your spacecraft sent by "Space-T" to explore other planets!

Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.

Tesera is a sci-fi sandbox game in a mysterious alien world. Explore an endless voxel world, defend yourself against aggressive creatures and drones, building your dream settlement alone or with friends.

The game "Terraspace" offers you a unique experience of planet settlement and terraforming — creating conditions for life on unsuitable planets. This will require you to build the necessary structures to populate the planet.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

You are not immune — you are evolving. Hunted by the infected and feared by the living, survive a brutal open world where every decision shapes your fate.