Top similar games like Deep Space: Unknown Universe:
Deep Space: Unknown Universe $2.99
Lost in the deep space. Accompanied by Alice, the AI computer. Can you together find your way back to Earth?
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Marisa's Inconceivable Journey$0.99
Marisa was suddenly summoned to a different world! It seems this world was invaded by alien. But the truth isn't simple. Now Marisa is in total isolation. She must fight to survive. Can she expose the truth, save the world and Reimu, finally return to Gensokyo?

Rumia in the darkness$0.99
Rumia, the youkai of darkness, will infiltrate the human village and kill an evil merchant. This man attempts to change all youkai's old names. As a result, youkais will lose their ancient power. Rumia must stop this horrible plan ASAP! She can eat humans for getting new skills.

Patchouli's Adventure In Doll's House$8.99
Let's unravel the mysteries of the Doll's House with witch Patchouli! Embark on an adventure in the mysterious and beautiful doll's House, find items, solve puzzles, and find the whereabouts of her beautiful lover - Alice. Experience a relaxed and fun story, and discover the secrets of the witches.

声息- La Voix$9.99
Navigate complex relationships and unexpected revelations as a transfer student with amnesia in this visual novel adventure. Uncover the truth behind a mysterious dream and the wishes of the campus crush.

Mountain$0.99
Existential Nature Simulation

东方裁判梦~Rookie Attorney Legendry$4.99
"Touhou Saibanmu ~Rookie Attorney Legendry" is a puzzle-solving detective game based on the Touhou series. It mainly tells the story of Marisa Kirisame who, by chance, becomes a lawyer. The story is divided into three chapters, each with multiple endings.

Pinball Lockdown$5.99
The classic retro arcade game! Discover thrilling tables with challenges and missions, including dragons, space, casinos and our Classic Wonderland table complete with original illustrations.

The Flying FeathersFREE
Nia accidentally goes into her best friend—Alice's past, the only way to escape and go back to the real world is to help Alice to solve all her problems. When you can go back to the past, do you want to do everything you can to save what you've lost?

Mystery of Melody Memorial$7.99
Join Joseph and Angeli on a musical journey filled with quirky characters and perilous paths to uncover the depths of Melody Memorial!

Ritual on the Eve 前夜祭$2.99
学园祭的前夜,据说时不时会出现名为【爱丽丝幻境】的怪异现象,过去的死者在虚假的幻境中, 向生者叙述怨念,企图寻求解脱,亦或者是报复。

REDVIIL$5.99
Now it's 2143, my name is Alice, I was born in a small settlement called Gwaine. I dream to continue the work of my great-grandfather: to find a cure for the "Red Death" and release people living in hundreds of bunkers.

Decarnation$14.99
Where do you run to when your demons reside within you? Decarnation is a pixel art adventure/action puzzle game with a horrific story inspired by some of the most influential films and novels in the genre. Dive into a breathtaking thriller where nightmares and dreams intertwine…

时空梦魇Ⅰ代号608$6.99
In the apocalyptic world of steampunk, detective Alice Weir investigates a serial murder case, Unfortunately, he was shot dead by a killer during the investigation, but everything was just beginning.....

J.U.L.I.A.: Among the Stars$19.99
J.U.L.I.A.: Among the Stars is an innovative narrative driven adventure game. The story centers on Rachel Manners, a 35 year old astrobiologist. She is a member of an elite group of scientists, chosen to embark on one of the most critical missions ever conceived on Earth. Now Rachel is alone, orbiting an unknown planet.

Satellite Odyssey: Prologue$1.99
Satellite odyssey: Рrologue - is a short first-person story-driven adventure with horror elements.Immerse yourself in the atmosphere of classic science fiction and retro futurism, inspired by Soviet sci-fi films. Your partner is the artificial intelligence "Zarya,"

★ Fallalypse ★ Death or Cress ♝$199.99
The communication with SH42 looking for new planets suitable for life was lost. The last message sent from it said: "Death or Cress". A space-marine and a priest of the newly-formed Space Battle Church set out on a search of the survived or to read the funeral service for the remains of the dead.

The Moonstone Equation$9.99
Help Alice find some answers as she joins a unique bunch of scientists, oddballs and theorists at a remote hilltop research facility to investigate some puzzling stone carvings. A single player puzzle/platform game about science and curiosity presented in a modern pixel art style.

Space Warden$9.99
Space Warden is top-down shooter in space where whole environment can be destroyed. Use lots of weapons which can burn, stun, damage, explode enemy ships, bases and terrain. Use turrets to defend your base and complete various missions.

QANGA$19.99
QANGA: Dive into a sci-fi adventure of exploration and resilience across the cosmos. Merge your mind with a state-of-the-art cyborg crafted by ICLab's Industry labs, and journey through this expansive universe!

Starmancer$14.99
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.

The Sentient$9.99
Play as an A.I tasked with helping mankind explore the vastness of space. Customize your ship, recruit a crew, battle alien vessels, research new technology and explore randomly generated universes.

Observation$24.99
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.

VAHLUNA CORP.FREE
Confront the alien invaders head-on, but risk dwindling ammo and their sharpshooting abilities, or take the stealthy path, sneaking around, and seeking hidden vents and passageways to outmaneuver his enemies.

THE DARK SIDE OF CECLON$14.99
Jensen, the sole survivor of the Nexentia shuttle crash on the planet CECLON. Alone, light years away from all human life! You will have to face the Nocturnes, primitive creatures in order to bring back the Veka energy, humanity's only hope.

SPACE BATTLE: Humanity$1.99
The day has come… Humanity has been attacked by an alien race.You have space bases at your disposal. Use them to launch battleships and take over the alien mothership.

Signs of Life$9.99
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.

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...

Convicted Galaxy$14.99
Stranded in an unknown galaxy full of escaped prisoners who grow stronger with every passing moment. Build a space station, upgrade your ship, and dogfight your way out of the galaxy. Take risks when necessary, but don't forget that you only have one chance.

Galacide$9.99
Command destructive spaceships to obliterate hordes of enemy vessels, while quickly solving puzzles to weave through networks of vibrantly colorful, adversarial machines!

Lenny Loosejocks in Space$19.99
You guide Lenny and Donga in their epic quest to save the human race from the evil Sluggees. It's the groundbreaking point-and-click adventure puzzle game sequel to Lenny Loosejocks Goes Walkabout in all its pixelated glory - exactly like you remember playing when you got home from school in 1998.

INTERSTELLAR PRIME$9.99
Humanity has placed itself on a path to extinction. Part role-playing game, real-time strategy, and space simulation, Interstellar Prime takes you on an unforgettable journey to the future of our solar system and beyond in a desperate fight for survival.

Everything Is For Humanity$14.99
Everything is for Humanity is a story-driven, exploration and puzzle-solving based science fiction horror game which sets in a massive science facility in 2020. You will discover tons of things and find out about the blood-chilling truths with its first-person experience.

Stellaxy$4.99
Stellaxy is a space exploration immersive sim with alien cultures, boss battles, and massive Universes containing billions of planets to explore! Discover the mysteries of the Universes and find collectibles while completing quests.

Mission Andromeda$1.99
Escape from Earth! Navigate procedurally generated levels using your trusty Jetpack and Laser rifle, gather precious Ores to trade and Biomass to fuel your ship "Mole-1" on it's way to the final destination, Andromeda!

Mars 2055$19.99
You wake up, alone, on a planet that appears to be Mars. There is not much else I can tell you.

Buddy Simulator 1984$9.99
Thanks to next generation AI technology, BUDDY SIMULATOR 1984 simulates the experience of hanging out with a best buddy! Your buddy learns from you, constantly adapting to your interests and personality. But most importantly, your buddy can play games with you!

JUST A GAME$1.99
"Just a Game" is a sci-fi flying shooting game, you will control the robot protagonist zero and lead the partners in this exclusion of artificial intelligence in the world to survive, there are many camps in the game, you can choose to join them or one side.Build your fleet and fight the world.

Battlevoid: Sector Siege$9.99
Battlevoid: Sector Siege is an epic straight into action real-time space strategy game, in which the world has been built to deliver a lively battle field; and the action is never more than just seconds away at the start of every game.

Salvation Prophecy$19.99
Salvation Prophecy is a military space epic. Human, mutant, and robotic factions are at war for galactic domination. Battles rage as space fleets collide. Invaders clash against fortified enemy colonies. Yet the greatest danger is the impending annihilation foretold by an apocalyptic prophecy.

FarWest Colony$12.99
Lead a rebellion against tyranny in this open-world, survival sci-fi RPG game. Utilize alien technology to explore, build bases, craft, and farm. Prepare for an unequal combat to rescue humanity from tyranny and a mysterious deadly virus.

IXION$34.99
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?

Origin Space$0.99
Origin Space is an action RPG. Your character is a pilot of a combat spaceship, a member of a long-standing feud between the Federation and the Cultists. Having defeated hordes of enemies in dynamic battles, change the course of history!

Sentience: The Android's Tale$4.99
You can remember nothing before this moment. Your existence begins with a keystroke followed by the flick of a switch. Electrical power streams into your neural network, and you are alive.

Golden Record Retriever$15.99
⟪Golden Record Retriever⟫ is a rogue-like DICE building game in which a golden retriever kidnapped by aliens grows into a space hero by retrieving the golden records that have become a "space headache.”

Into the Breach$14.99
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.

ELEA$9.99
Experience the surreal story of Elea. In this first-person Sci-Fi adventure you play as a space scientist recovering your lost husband. Venture out on a curious interstellar journey, full of devastating memories and startling secrets.

Oakenfold$19.99
Immerse yourself in a captivating world of tactical brilliance. Armed with your revolutionary TimeScrubber™, you'll have to navigate countless perilous encounters. For the indie strategy lovers seeking a fresh challenge, this game is your gateway to strategic mastery.

In Other Waters$14.99
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?

The Fall of LazarusFREE
The Fall of Lazarus is first person exploration and puzzle game. A deeply narrative scifi mystery game based on the exploration of an abandoned cargo spaceship about redemption and second chances.

Inside The Cubes$3.99
ITC is the story of Andy who is kidnapped by Tisafolians. Andy is put into a station, in where there is no gravity, to be tested some skills that are observation, analytical intelligence, eye hand coordination, weakness, etc. Your choices matter and change the end of the game.

Osiris: New Dawn$34.99
Osiris: New Dawn is an unforgiving near future space survival game with a cinematic feel and elements of horror. Play as a Mission Specialist in single or multiplayer to build your planetary base, pilotable vehicles, and controllable drones as you explore a dangerous solar system far from Earth.