Top similar games like Deep Space: Unknown Universe:

You are stuck in an unknown place, completely alone for eternity. Every decision you’ve made, will make, and could have made somehow rattling around your head. The only thing you can understand is a rock, with a gratified picture and some text that reads ‘Kilroy Was Here’!

In a silent, isolated lunar base, a lonely astronaut embarks on a moving journey to recover her daughter’s final memory. Through cold corridors and fragments of the past, a profound story unfolds about love, loss, and the human need for connection.

In Waiting is a first-person psychological horror game where you explore a haunted manor guided by Eleanor, an AI-powered ghost. Solve puzzles, uncover dark secrets, and experience true AI conversations that run 100% on your device with zero data collection.

Far into the future, in the year 1999: David, a systems operator, runs from his troubles by taking a job on a space station. After arriving, his mundane work turns into a struggle for his very life as he makes a shocking discovery.

Talk is cheap. Trust is earned. You are stuck on The Destin, a forsaken starship on the brink of oblivion that is controlled by Novah, a sentient AI who holds the key to your survival. Befriend, manipulate, deceive, and persuade your way to freedom in this sci-fi narrative adventure.

A lo-fi game about photographing aliens so that your employers can turn them into toothpaste. Explore. Photograph. Catalog. Harvest.

The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.

Featuring a beautiful, detailed open-world and a haunting soundtrack, Everybody’s Gone to the Rapture is non-linear storytelling at its best.

A gripping, explorative tale of a father and daughter both desperately clinging to life in their final enclave. The father trying to find his daughter one last time, while she moves further from his grasp. Join them on a journey within The Last Cove.

A first person space exploration game where you investigate the inner caves of an asteroid passing by your planet. Dive into the deeps of the asteroid aboard your ship, collecting information and samples of many beautiful minerals and lifeforms while searching for more complex and intelligent beings

Space Tourist is a chill, mechanic-lite, easy space exploration game designed for tired gamers who love to discover beautiful worlds without overwhelming systems or steep learning curves. Explore space. Land on new worlds. Plant flags. Take photos. Relax.

MYHA is a First Person Adventure game (Myst-like), part of a sci-fi series named The Black Cube (ASA: A Space Adventure...). Visit Myha, a moon in a far away solar system, and try to understand why you were teleported there.

ToT: Experiment is a sci-fi short story game set on a remote ship wandering through space. Without any memories or recollection of his past our hero is tasked by the ship AI - AR.I.A. to perform daily tasks, that will help to maintain the ship.

A failed experiment has unleashed the Overblooming, threatening to consume the world. Explore abandoned ruins overtaken by nature, uncover the fate of those who lived here, and push forward to stop the spreading disaster.

Your orders are simple: walk to the bridge at the end of the corridor. But something isn’t right. Can you make the right choices to finally make it 'To The Bridge'?

You wake up in a spaceship, you realize that strange things are going on there, you try to get back to civilization. However, this is harder than you think, the encounters will drive you crazy and you will doubt yourself.

A first-person virtual reality puzzle game. Immerse yourself in a high-tech sci-fi world where everything is built on logic and interaction with the environment. Solve puzzles, control lasers, and find your way through mysterious high-tech laboratories.

Lunar Soil is a third-person science-fiction game that will take you on a journey of exploration and discovery. Set in a mysterious and atmospheric world, you will have to solve challenging puzzles and unravel the secrets of abandoned bunkers and mysterious puzzle towers.

Stardream is a story-driven investigation game set in a retro 60s-inspired space ark. As Darlene, a taxi driver turned into a pressured investigator, uncover a hidden truth that could shatter a perfect society.

You've awoken, after your crew has vanished. Drift through its otherworldly architecture to collect the black boxes containing their neural data and read fragmented clues to what drew them here.

A Doctor's Term is a first person, narrative experience with pivotal choices set in an ominous sci-fi government facility: The Ministry of Health — Enter a story of treating menacing medical cases where daily work often defies expectations...

When the interstellar mission to colonize a new world goes terribly awry, the fate of the Letarri people falls into the hands of a lone adventurer. Now it's up to you to unravel the mystery of what happened. Can you save them and their mission, or is it already too late?

Interactive fiction, visual novel adventure with point & click controls and AI-assisted illustrations. Explore a dangerous orbital station, an abandoned starship or a mysterious planet in this cyberpunk sci-fi text-based game. And, of course, discover a mystery that has an impact on the galaxy.

Last Signal is a short, story-driven, walking simulator visual novel. On a mysterious journey through space, astronaut Adam 'Echo' Winters awakens in an abandoned station with amnesia. He must unravel the secrets of the station, where reality and illusion are intertwined.

Become a Jurassic explorer in the laboratory of the future. Assemble a dinosaur skeleton from bones that were found, create your own dino collection, breathe life into dinosaurs and you can see them in nature just like thousands of years ago. The future life of dinosaurs is in your hands.