Top similar games like Mars Colony: Challenger:

Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.

Have you got what it takes to survive on Mars? ROKH is a multiplayer survival game featuring scientific realism and extremely deep crafting and building. Make the red planet your sandbox and create a thriving colony.

Azulgar: Star Commanders is a Sci-Fi open world sandbox game that puts you in a command of your own custom made space ship. Explore aftermath of the Azulgar event that reshaped the face of the solar system.

Titan Outpost is a hard science fiction role-playing game in which you must build a base, manage its crew, develop your character's skills and attributes, and explore Saturn's sixth moon, uncovering its mysteries and harvesting its resources.​

Experience fast action, thrilling levels, spectacular explosions and lots of pew-pew-pew. Star Horizon is a reboot for the on-rails space shooter genre.

ToT: Experiment is a sci-fi short story game set on a remote ship wandering through space. Without any memories or recollection of his past our hero is tasked by the ship AI - AR.I.A. to perform daily tasks, that will help to maintain the ship.

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.

The Long Journey Home combines an open world full of galaxies, planets and anomalies with quests and mechanics of a rogue-like RPG. One destination. Endless adventures. Where will this journey take you?

Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe.

A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.

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.

Opportunity is an atmospheric narrative game where you become the famous NASA rover and brave the many obstacles littering the desolate red planet in order to finally complete its mission.

Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.

Above Earth is a science fiction survival game. Experience a struggle for life in the fragile artificial environment of a damaged space station.

Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.

Occupy Mars: Prologue is an 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.

Starship Inspector is a Space Roguelike in which every choice you make matters. Save a galaxy or rescue your crew member? Serve an evil empire or help an ancient tribe? You'll constantly have to make hard decisions and deal with consequences.

Operate an advanced mining ship in a fully destructible and open-world environment!

Sci-Fi builder is a simulator and third-person sandbox game defined by creativity and fantasy where you play with hundreds of different characters, like humanoids, alien races, creatures and robots, it's a game where you can do whatever you want.

CyberHive is a strategic space travel simulator with a non-linear story, in the cosmic opera setting, and in an anime visual style.

Survival on Kepler is a race against time. Make the most of the remaining 168 hours or get turned into an unworldly being by the Sphere. Complete quests to help NPCs, explore the diverse landscape, survive wildlife and other players. Uncover Kepler’s mysteries and your mission’s true goal.

Space trips across the your personal universe

Steer your ship, explore the vast expanse of space, trade for resources, pillage ships and colonies for precious loot. Carry out tasks for various faction governments vying for domination. Would you be a freelancing privateer, or pledge allegiance to a faction and carry out their sinister agenda?

Start Fighter is an arcade game about the battle of spaceships. Explore the space station, shoot down enemy ships with heavy laser cannons, and control a maneuverable battle starship or a giant cruiser.

The year is 2019.. There is a loong way to the Mars.

2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.

Deep Sixed is a roguelike space sim that will force you to use strategy, ingenuity and duct tape to keep your ship (and your skull) in one piece as you risk exploring a mysterious nebula protected by dangerous alien creatures.

You’ve been hired to make a delivery to planet Miridian V. The trip will be a dangerous yet lucrative journey full of mad robots and unpredictable stellar phenomenon. Name your crew, name your ship, manage your supplies, trade, battle, survive, and make your delivery!

The essence of the Heliconian is to manage a mixed crew of renegades aboard the starship Heliconian. Manage the crew member’s actions and the ship’s functions to survive as long as possible while exploring the star system in the hopes of earning upgrades and ultimately a safe haven.

WarpVector is an immersive sci-fi roguelike built around space exploration, combat, and navigation. Explore the remnants of an ancient civilization, fend off marauding space pirates, and find a way to save your home planet.

Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.

Seek adventure, fortune and fame in a sector of space riddled with faction conflict, dastardly pirates, & deft merchants.

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.