Games like Occupy Mars: The Game on Steam
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BEACHED
A free-to-play, low-poly, open-world survival shooter where you’ll battle other players, explore massive monuments, and fight to stay alive. Build and fortify your base to defend against enemy raids, gather resources, and conquer a harsh, competitive world. Survival means doing whatever it takes.
Block Story™
There isn’t much better than a wide open game world in which you have essentially no limits and can alter the very landscape in which you play – that is, unless you add dragons, of course…
Return from Core
Mine, build, and explore with Monster Girl companions in this underground sandbox adventure. Uncover lost tech, automate production, and forge bonds with allies as you fight to survive and journey back to the surface.
Signs of Life
Signs of Life is a sci-fi survival sandbox platformer with a combination of procedurally generated and hand-crafted content. You'll explore mysterious locations, Mine blocks for resources, and meet strange (and some familiar) creatures, some of which don't even want to kill you and eat your corpse.
Cubic Castles
Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend!
Kenshi
A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.
Amazing Frog? 2
Amazing Frog? 2 is the next generation of Amazing Frog? A Hardcore Parkour, open world buffet of bonkers physics sandbox ...ness.
Wayward
You awake to discover yourself no longer in the company of good men or a fine seafaring vessel. Treasure... you remember something about treasure. Wayward is a challenging turn-based, top-down, wilderness survival roguelike. Explore, build, and most importantly survive in these unforgiving lands.
Subnautica: Below Zero
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
Interstellar Rift
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
SpaceEngine
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
SPACERIFT: Arcanum System
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
Colony Survival
Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!
Noble Fates
Harness your Demigod powers to lead a group from rags to riches in this 3D Fantasy Kingdom Management Sim with RPG elements. Command from the sky or take control in 3rd Person to BUILD, BATTLE, and RULE. Navigate a world of interesting Nobles, earn their respect, and decide their Fates.
Hobo: Tough Life
Hobo: Tough Life is an urban survival role-playing game where you play as a homeless person. Play alone or team up in online co-op. Explore the streets of Praslav, scavenge for food and supplies, beg, steal, and do whatever else it takes to survive the forthcoming winter.
Reentry - A Space Flight Simulator
Do you have what it takes to be an astronaut? Reentry is a realistic space flight simulator based on NASAs space programs; from the first American human spaceflight in Project Mercury, the rendezvous and EVAs of Project Gemini to the Moon landing in Project Apollo.
Oxygen Not Included
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.
Craft Hero
Gather resources by day, build and recruit by noon, defend your village by night! A new minimalism sandbox survival with countless new ideas – Craft Hero
Judgment: Apocalypse Survival Simulation
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Don't Starve Together
Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
