Top similar games like Star Explorers:
Star Explorers $4.99
Planets, aliens, resources, upgrades, caves, mapping & documenting star systems ... seek a new home for the human race. An all-inclusive (admittedly janky) procedural space-sim made by solo developer Schmidt Workshops.
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Subnautica: Below Zero$29.99
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.

Spirits of Xanadu$4.99
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet. Her systems remain active but there has been no message from her crew for months. Now a lone operative has been sent to wake the Xanadu and bring her home to Earth.

Somewhere on Zibylon$9.99
The game is filled to the brim with the atmosphere of cold space and zero gravity, features unusual game mechanics with a lot of puzzles, exploration, stealth, resource extraction, crafting, fights with alien forces and seizing space stations!

Polarity$12.99
Polarity takes it to the next level, demanding all of your wits and reflexes. Full-featured local co-op campaign.

Starfighter Renegade$2.99
Fly into battle across multiple bite-size levels of exciting 3D aerial combat! Do you focus on taking out the alien fighters? Or rescue the stranded inhabitants before they're abducted? What about the deadly terraforming virus sweeping the surface below?

ΔV: Rings of Saturn$9.99
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.

Moon Tycoon$9.99
This is the original Moon Tycoon city-building game back from 2001! Remember building vast lunar colonies, then destroying them with meteors and asteroids? Blast off again with the first 3D Sim game, back to the old days on the dark side of the moon. Feeling nostalgic?

Return to Planet X$9.99
Return to Planet X is a close combat FPS in which you will have to smash tons of alien bugs.

Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...

Remains$6.99
Remains - survival in outer space orbiting the planet. Explore the area. Find a way to restore oxygen. Create tools for your needs. Beware of the dangers of outer space. Build your shelter in orbit and try not to die!

Absolute Territory$9.99
Engage in futuristic space dogfights against large warships and enemy starfighters. Manage Newtonian flight physics and power settings, outwit and eliminate hostiles, and survive through hazardous mine and asteroid fields. Gripping action across the campaign and leaderboard game modes.

Thief Simulator$19.99
Become the best thief. Gather intel, steal things and sell them to buy hi-tech equipment. Do everything that a real thief does.

Breathedge$24.99
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.

Fractal Block World$6.99
This is a surreal exploration game. Explore a massive fractal with great complexities. You can shrink infinitely to go deeper into the fractal. Or you can become larger by growing. Inner space awaits you in this infinite world.

Disinfection$10.99
Risk your life to save decaying spaceships and their crew from an out of control nanomachine infection, either alone or as a team in co-op in this tense sci-fi horror game.

Reassembly$14.99
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.

STARS COMMANDER$6.99
This is a game set in space and focused on trade of resources between spaceships and space stations.

HEVN$9.99
A desperate celestial mining engineer races against a vengeful hacker to save his friend, the only one who knows the way home. Survive the harsh conditions of a world riddled in conflict and uncover deep secrets best left buried light-years from Earth.

Zombaliens$15.99
Kill aliens in creative ways in this wacky retro FPS featuring non linear, highly interactive maps. Zombaliens blends retro FPS with immersive sim, letting you use anything in your environment against your enemies, while retaining the speed and simplicity of a retro FPS.

Abyssmare$9.99
Abyssmares is an action game based on Roguelite+first person shooting based on Cthulhu's mythical. [1] You play the role of a super warrior. [2] Explore the maze deep underground. [3] Continuously update your equipment and primary and secondary weapons. [4] Kill all moving creatures.

Space Shooter 24$0.99
Join the war in the depths of space with Space Shooter 24! Customizable ships, realistic graphics, and breathtaking action await you. Take action now to save the galaxy.

Silent Sector$14.99
Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.

Gloomgrave$4.99
Gloomgrave is a roguelike dungeon crawler with a retro pixel aesthetic. Upgrade your Gloomcrawler with unique perks and experiment with different builds as you try to survive each depth in search of the ultimate ancient relic.

Sir, You Are Being Hunted$19.99
Sir, You Are Being Hunted is a freedom sandbox stealth experience, where each playthrough is unique, thanks to our British Countryside Generator. Escape from these robot-infested islands with violence, trickery and stealth. This brutally funny game is available for Windows, OSX, and Linux.

Deliver Us The Moon$24.99
Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future, where Earth's natural resources are depleted. A lone astronaut is sent to the moon on a critical mission to save humanity from extinction.

Tank Universal 2$9.99
Inspired by the shapes and spaces of Tron and the gameplay of Battlezone, the sequel to 'Tank Universal' has arrived! Take control of your virtual tank and confront the forces of Gorgon in explosive first person 3d tank combat.

Spacepunk Survival$9.99
Spacepunk Survival is a multiplayer, first-person shooter game where you must survive hordes of deadly aliens in a derelict space station, all of that with beautiful and dark retro aesthetics.

Tank Universal$4.99
Tank Universal is an action FPS tank wargame inspired by Tron and Battlezone. Explore a rich virtual sci-fi 3D world, and take part in large-scale tank combat between your AI allies and the forces of an evil dictator.

Ion Fury$24.99
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, are excited to team up with Voidpoint to bring back the legendary Build Engine, famously known for classic first-person shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Ion Fury is the real deal!

BATYA$2.99
A game about escaping a nightmare. You stumble through the narrow corridors of garage complex as the distant footsteps is heard. Batya is getting closer.

CRIMSON METAL Classic 1999$4.99
CRIMSON METAL - Far from Perfect, brutal and merciless.

Expedition Zero$19.99
Expedition Zero — survival horror set in the anomaly zone of the northern forest. Face the dreadful forest monster and find a way to defeat it. Reveal the secrets of the lost expedition and your mysterious enemy. It’s either hunt or be hunted.

Deep Space Salvage Crew VR$18.99
A first-person procedural VR roguelike shooter, set in deep space. Find old wrecks adrift in space, board them and fight your way to the bridge to claim the salvage rights.

Mission Critical : Foresight$11.99
When scientists resumed their Unified Field Theory experiments this time they succeeded- with devastating consequences. You are trapped on a desolate Lunar Base with only your wits, real world astronaut weapons and a heads up display to give you instructions.

Settlement Zero$14.99
Settlement Zero is a first-person VR adventure using free movement, mixing open exploration with frantic combat as you defend yourself against autonomous spacecraft and robots.

The Citadel$14.99
The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3d. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.

Polynomial 2 - Universe of the Music$11.99
Polynomial 2 is an amazing visual candy which tends to be a space shooter and a music visualizer. Immersive on screen, mind-blowing in VR.

Project Remedium$9.99
Project Remedium is a story-driven action shooter set inside a human body devastated by illness and bad circumstances. It's a post-apocalypse of sorts, a really tiny one, but for a nanobot named Nano+, the body is a whole world. So he is hell-bent on fixing it with his guns and a unique grapnel.

Pixelpunk XL$3.99
Pixelpunk XL is a pixelated old school first person shooter with rogue-like game mechanics set in sci-fi environment.

Space Battle VR$9.99
Space Battle VR is an action shooter set in space. It supports VR controllers to give you a real feel how it is to be a spaceship pilot. You can truly feel the cosmos with this game. Jump into an awesome adventure, help mankind, win a war, bring freedom and happiness to the universe. People need you!

The Indie Game Legend 3D$9.99
Blast vicious aliens, explore their mysterious labyrinth, and rescue indie game makers in this lighthearted NES inspired first-person action adventure!

Rebel Galaxy Outlaw$29.99
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.

Space Mercs$0.99
Space Mercs is an extreme arcade space combat game where the amount of projectiles and lasers on-screen is only toppled by the amount of stars in the universe! Will you be able to complete all the mercenary missions and become the best pilot in the Galaxy?

Infected spaceship generator$1.99
Generator of random mazes with a search for objects, ammunition and weapons. Random placement of enemies such as zombies and mutants, including minibosses. Each new game will be unique.

Iron Age$11.99
Iron Age is a First-person dungeon crawler set in a Sci-Fi Fantasy world with Realtime melee combat.

Kronos$1.99
All units, heed my orders! The enemy is approaching! Call for reinforcements! Set up turrets! And someone bring me a new gun! And quickly! Now, all fighters, time is short, everyone to Kronos! Go, go, go!

UbermenschFREE
First-person mod of the Unreal Engine Lyra starter project

Marble Mayhem: Fragile Ball$1.99
Devilishly difficult but insanely rewarding physics puzzler. Play through 85 levels of diverse and ingenious physics-based challenges.

Megaton Rainfall$15.99
Become an indestructible interdimensional superbeing in this first-person superhero game, and save Earth from an alien invasion. Be careful though - you are so powerful you can destroy entire skyscrapers (unintentionally) when you miss your otherworldly target...

Cube Island$0.99
Cube Island is a survival game on a tropical island that is made up entirely of cubes. Choose a character, get resources, search for treasures, build shelters to protect yourself from predatory animals and cannibals. The cube island is waiting!

Star Fighter$0.99
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.