Games like Space Outpost Sigma

Welcome to the asteroid belt. The work is dangerous, the asteroids are temporary, and Earth is prohibitively expensive. Build automated mining operations, complete contracts, and earn your way back home.

Blast through rocks with your machine gun drill. Collect rare gems, ores and ancient artefacts, upgrade your ship and unlock new abilities. Uncover the mysteries of the deep and the dangers that lurk below.

An action roguelite game with alien swarms and mechs. Battle enemies to make your way through a mass of spreading and evolving cells hosting dormant enemies. Collect a variety of game-changing skills and upgrades to create unique builds.

Star Survivor is a space-themed survival game that blends intense deckbuilding strategy. Pilot humanity's last spaceship through the vast galaxy, Unlock powerful weapon combos, collect card modules, and craft unique builds. As the enemy swarms grow denser, will you be the last one standing?

Defend Mars from humans

Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!

A physics based twin-stick shooter. Survive as long as possible and get a high score. Use your gravity beam or your gravity mine to destroy endless waves of enemies.

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!

Take control of a giant mech and dive into an exciting underground adventure in a dieselpunk world! Dig deep, collect valuable minerals, upgrade wisely, explore diverse locations, uncover ancient secrets, and try not to explode! Will you save the world or vanish in the depths below?

Explore dungeons, fight hordes of monsters and survive on a huge map. This is Ocean Keeper - an action roguelike with tower defense elements. Mine resources in caves, customize your Mech Spider, upgrade different weapons and face dangerous bosses that won't leave you a chance!

Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.

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.

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!

Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.

Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.

A short horror game where you control a decaying spacecraft exploring distant star systems.

Unleash your inner miner as you commandeer a high-tech Mining Mech! Mine for valuable resources and upgrade your mech for even bigger hauls as you explore the underground. Fun to play alone or with up to 7 friends in online co-op multiplayer!

Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…

DigDigDrill is an underground mining and resource collecting game. Dig freely for minerals and treasures. Use the items you collect to forge your original drills in a hack-and-slash style equipment system.

Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.

Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.

A sci-fi space vehicle combat game, where the player must defend their capital ship from being destroyed, while attempting to destroy the alien force's own capital ship!

Choose your pilot and build your own custom mecha with 17+ weapons and 55+ attachments, then jump to the battlefield against hundreds of enemies to save spacetime itself in this thrilling sci-fi bullet heaven!

Doug The Digger is a casual, single-player mining and crafting game where you aim to escape a crash landing by crafting a rocket. The gameplay is simple but addictive—play at your own risk!

Control a variety of robots and destroy invaders from outer space in order to save the destroyed earth! "GAIA Survivors" is a 'Shoot 'Em Up' type sci-fi rogue-lite casual game with a retro-futuristic worldview.

Dig mines, extract resources, and produce goods to restore order to the state. Become a successful businessman and an effective state governor in the late Wild West era!

A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!

(the) Gnorp Apologue is the journey of the gnorps as you guide them towards their goal of delightfully excessive wealth accumulation.

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.

QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.

Mine gems on an infinite hex board. Play as a cute robot stranded on an alien planet. Find ship parts to repair your broken space ship. Use markers and logic to find gems and avoid bombs. Skillful play lets you dig longer. Spend gems to upgrade Dig Bot. Unlock achievements for even more power!

Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.

Fly into a charming handcrafted world and go on an adventure that mixes up open exploration with crispy twin-stick shooter action. Fight your way from the shiny overworld to the deepest caves, improve your ship and overcome the dungeons' bosses to rescue your friends!

DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.