
The Twin paradox is an RPG where you must prepare yourself for the first time travel. Make decisions, explore, and learn real science with the scientists of the "Beyond" laboratory. It's up to you to make the journey a success.
60+ similar titles based on shared tags and player behavior. Themes include Sci-fi, Singleplayer, Adventure, RPG.

The Twin paradox is an RPG where you must prepare yourself for the first time travel. Make decisions, explore, and learn real science with the scientists of the "Beyond" laboratory. It's up to you to make the journey a success.

The Captain
In this retro-inspired adventure game you will have to race back home across the galaxy. Collect new friends on your journey. Make new enemies. You won't be able to save everyone. Who will you leave behind? Which civilizations will you save - or destroy - along the way?

Chronigma
Master time in this story-rich time-bending puzzle game. You travel back in time to be in two places at once, to solve puzzles impossible to complete alone. Your success hinges on your ability to collaborate with yourself. Can you learn to manipulate time to save humanity?
In this retro-inspired adventure game you will have to race back home across the galaxy. Collect new friends on your journey. Make new enemies. You won't be able to save everyone. Who will you leave behind? Which civilizations will you save - or destroy - along the way?
Why similar: Space 19.3%, Multiple Endings 17.7%, RPG 12.3%, Sci-fi 12.3%, Choices Matter 11.6%
Master time in this story-rich time-bending puzzle game. You travel back in time to be in two places at once, to solve puzzles impossible to complete alone. Your success hinges on your ability to collaborate with yourself. Can you learn to manipulate time to save humanity?
Why similar: Multiple Endings 35.8%, Pixel Graphics 25.7%, Sci-fi 22%, Story Rich 11.4%, Top-Down 2.6%
Explore a war-torn city, avoid capture by soldiers, and collect the supplies Albert and Camille need to create the first vaccine to fight tuberculosis. As you progress, you will learn about the methods used to create BCG and how vaccines work.
Why similar: Science 34.6% ★, Education 29.6%, RPG 22.8%, 2D 6%, Exploration 6%
Having fallen to a great calamity a second time, it's up to Zero and their friends to put Soma back together! What is on your horizon is for you to decide...
Why similar: Space 33.4%, RPG 22%, Pixel Graphics 15.9%, Sci-fi 7.8%, Multiple Endings 7.6%
Free Will is a 2D psychological puzzle RPG where the puzzles happen outside of the game. Dig deep into the system code to fix the corruption, and uncover information that might be better off hidden.
Why similar: RPG 31.1%, Multiple Endings 16%, Choices Matter 15%, Story Rich 13.1%, Pixel Graphics 9.8%
Experience the award-winning space saga. Travel to hyperspace, discover alien worlds, and meet an eclectic cast of characters. Find out what happened after the Ur-Quan invasion. And if the war still rages, fight for Earth and the Alliance of Free Stars!
Why similar: Multiple Endings 19.8%, RPG 16.4%, Choices Matter 14.9%, Sci-fi 11.7%, Pixel Graphics 11.4%
In Chronoquartz, every move matters! You have 10 turns per loop: explore, solve puzzles, and use your past knowledge to progress. Strategy, critical thinking, and time management will be your allies in this unique temporal adventure. Will you succeed in saving time?
Why similar: Pixel Graphics 34.5%, Sci-fi 28%, 2D 13.9%, Exploration 11.9%, Top-Down 8.1%
Investigating a time-loop during the Cold War, light years away from Earth. Neoproxima is a text-based adventure game that combines exploration and simple RPG and survival mechanics. Plan your next loop carefully, and go as far as possible before time catches up with you.
Why similar: Space 30.7%, Sci-fi 28%, RPG 19.8%, Story Rich 12.7%, Exploration 7.1%
A 2D space mining adventure. Mine exotic resources, unlock powerful equipment, and fend off relentless enemies to build an inter-dimensional portal, the last hope of salvation for your civilization.
Why similar: Space 29.1%, RPG 22.1%, Sci-fi 16.9%, Pixel Graphics 15.5%, 2D 7.5%
Complete physics-based platformer puzzles as you venture deeper into an abandoned research facility responsible for developing ominously powerful quantum entanglement technology.
Why similar: Physics 37.8%, Sci-fi 26.5%, Pixel Graphics 14.1%, Story Rich 11.4%, 2D 7.3%
Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.
Why similar: Space 48.8%, Sci-fi 19.2%, RPG 17.4%, Exploration 5.5%, Story Rich 3.6%
A unique puzzle-adventure set in the secret YogLabs research facility. As a newly created clone, you’ll face a series of challenges while disaster threatens to consume the laboratory.
Why similar: Science 51.5% ★, Space 21.4%, Sci-fi 15%, Story Rich 5.3%, Exploration 4.9%
Within the Cosmos is a sci-fi RPG. After awakening in a secluded star system, you soon discover a fractured human society grappling with an emerging android threat. Explore planets, uncover mysteries, and navigate differing philosophies. Your choices will shape how the story unfolds.
Why similar: Space 25.3%, Sci-fi 20.8%, RPG 20.5%, Choices Matter 15.6%, Story Rich 7.3%
"Journey to the Moon" is an interactive game that combines lunar exploration with art, culture and science popularization. The core of its development is "space life is coming eventually".
Why similar: Science 48.4% ★, Space 21.3%, Education 13.3%, RPG 11.6%, Sci-fi 2.5%
Mars Underground is an apocalyptic adventure where you relive the same day over and over. With each cycle new items can be picked up and topics unlocked. Explore the possibilities of this timeloop and uncover multiple endings.
Why similar: Pixel Graphics 50.6%, Story Rich 22.7%, 2D 20.9%, Indie 5.8%
Starship Inspector is a Space Roguelike in which every choice you make matters. Save a galaxy or rescue your crew member? Serve an evil empire or help an ancient tribe? You'll constantly have to make hard decisions and deal with consequences.
Why similar: Space 35.3%, RPG 26.8%, Sci-fi 20.6%, 2D 7.3%, Story Rich 6.1%
Titan Outpost is a hard science fiction role-playing game in which you must build a base, manage its crew, develop your character's skills and attributes, and explore Saturn's sixth moon, uncovering its mysteries and harvesting its resources.
Why similar: RPG 25.5%, Space 24.5%, CRPG 20.9%, Sci-fi 14.3%, Choices Matter 9%
"Rust of Steel" is a post-apocalyptic ruins exploration RPG with a high degree of freedom. Take on the world in your own style with multiple scenarios, free stat distribution, and the option to play as the good guy or the bad guy!
Why similar: RPG 31.5%, Multiple Endings 17%, Pixel Graphics 15.6%, Sci-fi 13.3%, CRPG 12.5%
Quirky, top-down puzzle adventure game. You’re trapped in a 12-minute time loop. Try to save yourself and a small town from destruction from a meteorite. Solve intuitive puzzles, interact with the people of the town, and discover the secrets of the town. Discover the 15 different endings!
Why similar: RPG 33.7%, Multiple Endings 21.4%, Pixel Graphics 18.2%, 2D 16.4%, Exploration 6.4%
Experience a sci-fi action-adventure RPG on the Moon in the year 30XX! Join Bella in a story of science, truth, justice, and trust, as she travels the silver globe to find a way to save humanity from Comet Coda! It's time to unleash your Lux!
Why similar: Space 30.3%, RPG 20.9%, Sci-fi 18.7%, Pixel Graphics 18.1%, 2D 5.2%
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Why similar: Space 49.7%, RPG 29.5%, 2D 7.6%, Sci-fi 5.5%, Pixel Graphics 5.3%
Space Expedition is a 2D sci-fi platformer where you play as an astronaut who is sent to a space station to collect samples of mysterious dark matter. Space Expedition combines puzzle platforming, pixel art, and atmospheric adventures set in the style of 1980s sci-fi horror films.
Why similar: Space 31.2%, Pixel Graphics 24.3%, Physics 17.6%, 2D 8.9%, Exploration 7.9%
Join the journey of a funky space archaeologist who crashed on an unknown planet. A text turn-based adventure RPG in which your choices actually matter. Talk, explore, fight, make decisions to find a way out! Colourful graphics and the old comic book spirit.
Why similar: Multiple Endings 34.3%, RPG 24.4%, Choices Matter 24.2%, Story Rich 9.5%, 2D 7.7%
STAR-BOX – RPG Adventures in Space!Strap on your gravity boots, power up your laser, and climb aboard your spaceship for a retro-styled, RPG-jaunt into the unknown!Travel an open-world, sandbox universe where you are the architect of your own story.
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.
Why similar: Space 26%, Multiple Endings 22.7%, Sci-fi 19%, Choices Matter 18.3%, Story Rich 6%
Out There: Oceans of Time is a space exploration game that puts you at the helm of an interstellar mission of discovery spanning a vast and vibrant cosmos.
Why similar: Space 32.8%, Sci-fi 17.7%, RPG 17%, Choices Matter 16.4%, Story Rich 8.1%
Live with the ever-present burden of being trapped in a time loop only you can know about in this turn-based RPG. Create a better future for you and your friends. Find hope where there is none left. Pray to the stars and free yourself from time.
Why similar: RPG 34.6%, Pixel Graphics 19.2%, Story Rich 18.4%, Choices Matter 14.6%, 2D 9.8%
Odyssey is an enchanting and innovative science adventure game. Help Kai and her family escape their captors on the Wretched Islands - and learn the history of astronomy, mechanics, and scientific reasoning as you read Kai's journal and solve puzzles along the way!
Why similar: Science 52% ★, Education 23.5%, Physics 19.3%, Story Rich 4.4%, Indie 0.8%
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Why similar: Space 51.6%, RPG 26.4%, Sci-fi 17%, Singleplayer 2%, Exploration 1.9%
Star Merc is an open world rpg where player choices heavily affect outcomes and drastically change the storyline. The game is about exploring different planets, learning about the inhabitants and dealing with the different factions that like to think they control the universe.
Why similar: RPG 30.6%, Space 21.9%, Multiple Endings 14.8%, Sci-fi 12.7%, Pixel Graphics 11.6%
A relaxed roguelike space odyssey in a procedurally generated universe! Travel through a lonely and mysterious cosmos. Customize your ship, explore and survive!
Why similar: Space 32.9%, RPG 19.3%, Sci-fi 17.4%, Pixel Graphics 13.1%, Exploration 6%
Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek.
Why similar: Space 49.3%, Sci-fi 25.2%, RPG 23.8%, Singleplayer 1.7%
Wienne is unique - you can change the flow of the story at any moment in time. Repeatedly. In this short story and lore-driven RPG you will have to save Wienne and Zack from a nearly inevitable demise. Can you find the path?
Why similar: RPG 71.2%, Pixel Graphics 9%, Choices Matter 8.8%, Story Rich 4.4%, Indie 3.4%
Experience the Game Boy-like design and 2D open world of this retro JRPG. The choices you make are all up to you, and they may end up providing invaluable help in the future, when disaster strikes... Embark on an adventure in which you sew the threads of your own future.
Why similar: RPG 51.4%, Multiple Endings 16.9%, Choices Matter 11.7%, 2D 6.2%, Story Rich 5.9%
Approaching Infinity is a turn-based space RPG in the spirit of the sci-fi classics, with endless progression and exploration. Fight tactical battles or use diplomacy. Seek powerful artifacts. Quest, mine, trade, and craft. Level up forever or attempt 10 victories in hardcore or adventure mode.
Why similar: Space 26.1%, Sci-fi 20.4%, RPG 17.8%, Multiple Endings 17.5%, Pixel Graphics 12.2%
Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.
Why similar: Space 41.1%, Sci-fi 18.1%, RPG 14.8%, Story Rich 7.8%, Exploration 6.7%
Journey to another planet and discover its secrets in order to bring your loved one back to life. Experience an adventure, inspired by old school classics like Another World, Heart of Darkness and Flashback.
Why similar: Pixel Graphics 44.4%, Sci-fi 32%, 2D 11.3%, Story Rich 7.2%, Singleplayer 2.6%
Crystal Project is a non-linear JRPG where you are the maker of your own adventure. Explore the world while you find Crystals, unlock classes, learn abilities, and create a strategy capable of taking down the world's toughest bosses. Or just stick to exploring; it's up to you.
Why similar: RPG 53.4%, Pixel Graphics 38.2%, Top-Down 8.4%
Gaia Beyond is a handcrafted 2D Action-RPG, an exploration mix built around the core features fighting, mining and trading. Your decisions are footprints within a vast non-linear solar system. Forge alliances among numerous factions and develop relations with hundreds of NPCs.
Why similar: Space 25.4%, Physics 16%, Sci-fi 15.4%, Choices Matter 13.2%, RPG 12.9%
Be the light.
Why similar: Multiple Endings 34.6%, RPG 27.6%, Pixel Graphics 21.7%, Story Rich 13.2%, Singleplayer 2.1%
Exographer is an exploration game based on science. Become an explorer, stranded in an alien planet, and discover the secrets of an extinct civilization. Gain new powers to avoid dangers and obstacles in your journey, and use your camera to reveal particles and hidden clues.
Why similar: Science 54.5% ★, Pixel Graphics 11.8%, Physics 11.5%, Sci-fi 10.7%, Exploration 5.2%
[Single player JRPG] Take your cat on a time-traveling adventure!
Why similar: RPG 43.4%, Sci-fi 33.8%, Story Rich 17.7%, Singleplayer 5.1%
A turn-based retro-inspired RPG you can complete over the weekend. Perfect your timing in combat, uncover secrets, and interact with a rich world and its characters in a gripping story told from two perspectives.
Why similar: RPG 26.8%, Sci-fi 20.6%, Pixel Graphics 20.4%, Story Rich 12.8%, 2D 10.4%
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.
Why similar: Space 34.7%, Choices Matter 21.9%, Sci-fi 18.8%, RPG 16.6%, Exploration 5.1%
The goal is simple, the game is hard, reach the centre. After The End: The Harvest is an immersive retro open-universe space adventure and exploration ARPG. Seamlessly travel across space, catch/train & evolve monsters, take on quests and fight Titans!
Why similar: Space 31.2%, Multiple Endings 18%, RPG 14.7%, Choices Matter 12.8%, Story Rich 6.6%
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
Why similar: Space 24.8%, Multiple Endings 22.5%, Sci-fi 14.8%, Choices Matter 13.5%, Pixel Graphics 13.2%
Set out on an adventure that challenges all the codes of the RPG genre, toying with its boundaries to create something unlike anything you've ever seen. In a world full of magic and adventure, a young boy starts his apprenticeship to become a knight... And it will change his life... and yours.
Why similar: Choices Matter 24.1%, RPG 21.7%, Pixel Graphics 20.3%, Story Rich 12.3%, 2D 10.7%
Evoland 2 is an unique RPG, with its graphic style and gameplay changing as you progress through a deep storyline based on time travel.
Why similar: RPG 52.6%, Pixel Graphics 24.3%, Story Rich 11.4%, 2D 7.1%, Singleplayer 3.1%
Saturn is a tactical RPG set on the moons of Saturn and on Earth. The protagonist controls robots on the moons of Saturn and explores an underground city where one can find keys to the secrets of deep space.
Why similar: CRPG 20%, RPG 19.6%, Choices Matter 15.7%, Multiple Endings 15.4%, Sci-fi 13.1%
Create a custom character, and be whoever you want to be! Enjoy traversing strange worlds, and mastering action command combat as you fight strange and odd and weird enemies and bosses! Remember, this is your adventure!
Why similar: RPG 36.8%, Pixel Graphics 28.8%, Sci-fi 12.6%, 2D 11.1%, Top-Down 5.7%
In this twin stick roguelite shooter, you play as one of the galactic mercenaries, explore a mysterious scientific complex and uncover the secret of the REPLIKATOR project.
Why similar: Science 50% ★, Space 25%, Pixel Graphics 15.9%, 2D 4.6%, Top-Down 2.7%
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space 36.5%, Physics 26.6%, Education 24%, 2D 6%, Exploration 5.7%
Three Minutes To Eight is a mind bending pixel art adventure. A gaming experience threading the edge of consciousness, where everything is possible and yet remains elusive. Players will find themselves in ███ ██ █ ▓ ▒ ░ ¿⊕ξד¶¶¶ Error 0x80070570.
Why similar: Multiple Endings 32.2%, Sci-fi 18.7%, Choices Matter 17.3%, Pixel Graphics 14.4%, Story Rich 11.3%
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.
Why similar: Science 37.1% ★, Space 23.5%, Physics 16%, Sci-fi 12.7%, Exploration 3.6%
Fight against brain-rot in this story-driven educational physics puzzle game. You will need to learn and apply high school physics concepts to solve increasingly challenging problems and uncover a galaxy spanning plot. When you have finished, you will be able to take a college level physics course.
Why similar: Science 42.9% ★, Education 22%, Physics 18.5%, Sci-fi 9.8%, Story Rich 6.2%
Go on a trip through time! Experience the freedom of traveling into any date, hour and minute in time between the years 1 and 3033 AD! Help your best friend Edward in his scientific affairs! Watch out for the Time Agents & avoid yourself!
Why similar: Physics 39.7%, Sci-fi 25.7%, RPG 17.4%, Story Rich 13.4%, Singleplayer 2.9%
Play as Leonnor who sets out on a journey to discover everything about his past and his world, things are not always what they seem! Learn special abilities, battle monsters and encounter celestial beings as you explore this beautifically crafted pixel world. This prologue starts a epic journey...
Why similar: RPG 35.4%, Pixel Graphics 35.3%, Story Rich 17.2%, 2D 11.5%, Singleplayer 0.6%
Welcome to a breathtaking storyline full of portals, solving puzzles with an energy-absorbing weapon, and other adventures in a sci-fi atmosphere! Can you travel through parallel dimensions and uncover the secrets of your past?
Why similar: Multiple Endings 40.2%, Sci-fi 28.2%, Story Rich 14%, Exploration 9.5%, Action-Adventure 5.2%
Halfway is a turn-based strategy RPG taking place a few hundred years into the future. Humanity has started colonising new worlds. Until now, they were alone ...
Why similar: RPG 39.4%, Pixel Graphics 21.6%, Sci-fi 19.8%, Space 14.5%, 2D 2.4%