CAT Interstellar
A short story inspired by Robert Heinlein's:The Moon Is a Harsh Mistress
70% of 696 Steam reviews are positive$0.89
Games like Helium
Did Helium leave you in a mysterious and minimalist frame of mind? These games offer a similar pull for your backlog.
helionaut
An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽
Minimalist, Surreal, Retro
94% of 204 Steam reviews are positive$2.99Scavenger SV-4
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Mysterious, Surreal, Retro
91% of 658 Steam reviews are positive$14.99Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full. Fill up your oxygen, load up the guns, and set out on an interstellar FPS adventure across the stars, filled with puzzles, fights, exploration, and strange secrets of the universe.
Mysterious, Atmospheric, Dark
67% of 552 Steam reviews are positive$19.99Lifeless Planet Premier Edition
An astronaut lands on a planet that was supposed to be lush with life and finds only rock, dust and an abandoned Soviet town. Follow a mysterious woman whose footsteps make the soil glow, piece together what happened here, and unravel a Cold War sci-fi mystery across twenty strange, empty worlds.
Mysterious, Surreal, Retro
78% of 2,540 Steam reviews are positivePlayers online now: 2$1.99ALONE IN SPACE
Experience an immersive sci-fi adventure. Walk in the footsteps of the ill-fated crew members of the Miranda station. Explore a world cloaked in mystery and danger, solve clever puzzles to help discover the questions that...
Mysterious, Atmospheric, Dark
45% of 126 Steam reviews are positive$9.99Signs of Life
Crash-landed on an alien planet with nothing but a wrist laser and a sarcastic AI, you mine, craft and dig your way through a sci-fi survival sandbox that mixes hand-crafted ruins with procedural terrain. Bring a friend: it has online co-op, chickens, and aliens that mostly want you dead.
Mysterious, Retro
76% of 729 Steam reviews are positivePlayers online now: 13$9.74Hollow
“I didn't care about this ship… facility… whatever… Had to… Something, deep in my brain, deep in my flesh, boiled inside to remember…”
Mysterious, Surreal, Atmospheric
35% of 237 Steam reviews are positive$19.99The Signal From Tölva
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world. Unlock savage weapons and recruit robots to fight alongside you as rival factions struggle to discover the source of the mysterious signal. What you discover will decide the fate of a world.
Mysterious, Atmospheric, Dark
71% of 792 Steam reviews are positive$19.99Journey To The Savage Planet
You work for Kindred Aerospace, proudly the 4th best interstellar exploration company, and your job is to survey the planet ARY-26. Scan absurd wildlife, jump and grapple across a bright alien world, print gear from space trash, and drag a friend along in online co-op. A funny, colorful metroidvania that never takes itself seriously.
Mysterious, Surreal, Retro
87% of 5,684 Steam reviews are positivePlayers online now: 19$29.99Alpha Prime
Somewhere in deep space, at an apparently abandoned mining base on the asteriod Alpha Prime, something has gone terribly wrong. Miners were warned that the hubbardium they were mining was too dangerous, but the lure of unimaginable wealth was too strong.
Retro, Dark
60% of 851 Steam reviews are positive$4.99Boiling Steel
"Boiling Steel" - is a sci-fi story-based FPS VR shooter. You are one of many who set off in search of a better life in the distant bastion of scientific progress. Immerse yourself in the thick of events and witness the inexplicable global cataclysm.
Dark
80% of 336 Steam reviews are positive$14.99Exo One
An alien signal gives humanity blueprints for a craft that bends gravity. Ride it across strange planets: roll downhill to build speed, flatten into a glider, skip across oceans and soar through boiling clouds toward a blue beam on the horizon. A short, hypnotic journey with no enemies and no way to lose.
Mysterious, Surreal, Atmospheric
89% of 5,085 Steam reviews are positivePlayers online now: 3$16.99
Cheaper than Helium
The Seeker
Welcome to the Seeker! Run, hide and hack in this indie top-down game that gives a whole new meaning to the word "random!"
86% of 70 Steam reviews are positive$0.74
Teria
Teria: an action quest 3D game for science fiction fans. However, on June 17, 2143, the crisis center of the Central Astronautics Agency picked up a…
62% of 91 Steam reviews are positivePlayers online now: 1$0.74
The Superfluous
"The Superfluous" [soo-pur-floo-uh s] A cave-diving, sci-fi, rogue-lite, platformer with jet packs and lots of explosions.
74% of 35 Steam reviews are positive$0.79
Unalive
Unalive is an action adventure roguelike game. Randomly generated laboratory rooms. Collect unique items to improve your abilities.
72% of 299 Steam reviews are positivePlayers online now: 3$4.99
Exile to Death
Explore the world , collect resources , craft items , build a fortified house and kill other players to survive. BUT don't forget about cyborgs...
67% of 333 Steam reviews are positive$4.99
Samosbor
The player will take the role of a liquidator destroying the consequences of Samosbor in the narrow corridors of Gigakhrushchevka.
64% of 244 Steam reviews are positive$0.79
Dig & Decode
Dig for relics of the past and solve puzzles as you explore an Earth abandoned millennia ago.
67% of 6 Steam reviews are positive$0.79
Alien X
Alien X - is a hardcore game where you will have to survive playing like a monster Bomber who is on an unknown planet.
83% of 24 Steam reviews are positive$0.49
Time Ramesside (A New Reckoning)
Mark Faroh is a Scientist that discovered a new way to harvest energy from Biological beings.
37% of 97 Steam reviews are positive$0.74
Californium
Taking the form of a first-person experience of a bad trip, Californium pays homage to sci-fi legend Philip K.
71% of 269 Steam reviews are positive$0.90
MAN STANDING
The ALFINA GAMERS team together with ALFINA WORLD GAME PUBLISHING are pleased to present a unique game experience.
84% of 328 Steam reviews are positive$0.79
Hidden gems like Helium
RADIOSOL
Cross the ruins of a scorched world as a little mech, staying out of the light and listening for what is left.
78% of 393 Steam reviews are positivePlayers online now: 15$8.99
Voyager-19
You pilot a crumbling space probe through distant star systems, searching for a lost expedition.
87% of 1,001 Steam reviews are positive$3.99
Signs of Life
Mine ore, build a base and piece together a crashed world in a 2D survival sandbox, alone or with a friend.
76% of 729 Steam reviews are positivePlayers online now: 13$9.74
深空七号 Deep Space 7
This is an independent action shooting game with a third person horror atmosphere.
79% of 315 Steam reviews are positive$5.99
Saturn
Pilot robots on Saturn's moons and fight a machine uprising on Earth in a story-driven tactical RPG with multiple endings.
76% of 1,248 Steam reviews are positivePlayers online now: 1Free
Moon Runner
You are tasked with urgent maintenance on a small moon. Find the monoliths and manage your survival to complete your mysterious assignment.
86% of 301 Steam reviews are positivePlayers online now: 1Free
helionaut
An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽
94% of 204 Steam reviews are positive$2.99
HYPERVIOLENT
An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power.
68% of 157 Steam reviews are positive$14.99
Exo One
Pilot a gravity-bending craft across alien worlds, building speed with momentum and gliding toward a distant blue beam.
89% of 5,085 Steam reviews are positivePlayers online now: 3$16.99
Scars Above
A colossal alien structure appears in Earth's orbit, and the scientist team sent to study it wakes up on a hostile exoplanet instead.
76% of 2,845 Steam reviews are positivePlayers online now: 6$29.99
Moon Mystery
The Moon's haunted - and when an astronaut loses contact with Earth, the adventure begins in full.
67% of 552 Steam reviews are positive$19.99
Wandering in Space VR
Join Wandering In Space, a unique FPS ROGUELITE SCI-FI experience built for VR.
73% of 164 Steam reviews are positive$14.99
Newest games like Helium
Signs of Life
Mine ore, build a base and piece together a crashed world in a 2D survival sandbox, alone or with a friend.
76% of 729 Steam reviews are positivePlayers online now: 13$9.74
RADIOSOL
Cross the ruins of a scorched world as a little mech, staying out of the light and listening for what is left.
78% of 393 Steam reviews are positivePlayers online now: 15$8.99
HELL GALAXY
A thrilling singleplayer space shooter that blends weird fiction, dark gritty sci-fi, and transhumanism.
73% of 92 Steam reviews are positive$24.99
Aphelion
Hunted on a frozen planet, astronaut Ariane must brave rugged landscapes and shifting realities to rescue her wounded partner, Thomas.
63% of 329 Steam reviews are positivePlayers online now: 4$29.99
INFLUXIS
Explore a mesmerizing alien world, filled with deep bioluminescent wonders and horrors alike.
63% of 257 Steam reviews are positiveFree
HELL OF FEAR: Mind Breach
Step into the boots of Major Axel Vex in this survival horror descent into deep space.
86% of 92 Steam reviews are positive$11.04
ROUTINE
A first-person sci-fi horror on an abandoned lunar base built around an 80s vision of the future.
91% of 7,768 Steam reviews are positivePlayers online now: 117$24.99
Hail to the Rainbow
A lonely young man gets an email from the father he lost years ago, and drives a repaired Niva through a snowed-in, post-apocalyptic Soviet…
90% of 2,628 Steam reviews are positivePlayers online now: 8$14.99
HYPERVIOLENT
An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power.
68% of 157 Steam reviews are positive$14.99
THE DARK SIDE OF CECLON
Jensen, the sole survivor of the Nexentia shuttle crash on the planet CECLON. Alone, light years away from all human life!
86% of 29 Steam reviews are positive$14.99
Try to survive Today
Try to survive today - This is a fast-paced hybrid three-dimensional first- and third-person action game with the ability to switch to an isometric…
68% of 77 Steam reviews are positive$10.99
Rat Hunter
Rat Hunter features traditional, by-the-book gameplay, which does not wander into the realm of tactical shooters.
78% of 80 Steam reviews are positive$4.99