Top similar games like The Twin Paradox:

Embrace the call of the cosmos! Take the helm as a fearless Soviet space explorer. Explore, trade, defend and manage your fleet while meeting a diverse array of interesting aliens.

Master gravity in this 2D puzzle platformer! Explore a black hole-near abandoned station as a scientist, uncover its past, and discover unheard-of physics. Anti-gravity, anti-matter, magnetism—bend logic, trust your intuition.

Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.

A simple storyline adventure about a robot whose battery is about to run out. You will need to help the robot navigate this difficult journey, overcoming many different challenges in search of a new battery. This game is exactly what it seems, honestly!

Welcome to a new galaxy! You are Samual, a simple farmer that lives in a small abandoned town called First Valley. You live there with your daughter Sam who is the light of your world. One day you are attacked and your daughter is taken away from you!

Space Fox Kimi is a RPGmaker space adventure game following the career of the titular Kimi as she rises through the ranks of the Galactic Foxian Empire Navy.

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.

Welcome to Drake Frontier! A Space Western action RPG featuring real-time combat, organic roleplay, and a deep narrative. Meet different factions, friends, and foes, shape your own interactive story and explore the distant planet Drake.

Explore this short 2D sci-fi adventure game with an interactive game environment, interesting plot, a score system and (at least) two endings!

Betrayed and shipwrecked, Fred awakens on a mysterious island that regenerates everything he collects. Grief turns to obsession as he hoards endlessly. Explore, gather, and uncover the secrets of the island—and the truth behind your exile.

Take to the asteroid belt and fly as a rookie mining ship pilot, exploring space and mining asteroids, earning money to save your community on Mars in this story-driven space action game. Your choices and actions will shape the unfolding story, changing the fate of all those you meet.

As a newly appointed Judge, you will rule over Space Court and its denizens to keep the universe safe. Or possibly blow it all up. Either way, you’re tenured.

A space adventure across colorful and abstract environments with simple controls and mechanics. Featuring precise, physics based, action. Sometimes a fast-paced thrill. Sometimes a slightly methodic thinker. Sometimes, even, a rage inducing dread. Always exhilarating.

What do you do if you are the only one left aboard a spaceship? Your team has embarked on a mysterious expedition a few years ago, the ship’s machinery has started acting up and it seems there are ghosts wandering about. Luckily, the black hole above you doesn’t pose any problems…yet.

One More Round is a lo-fi sci-fi time-loop adventure where you play as an alcoholic engineer aboard a space station orbiting a black hole. Relive your last moments, uncover a mystery and confront hard choices in a story of redemption and sacrifice.

Engage with the townsfolk and native people to make decisions and choices, your actions will decide the fate of New Albans. With multiple endings, solve puzzles, speak to NPCs and explore the land in this story adventure.

Abducted... by aliens? No! By Astral Entities!! Welcome to the Astral Plane. You and four other Humans have been selected. In the next two weeks, please explore the facility, collect stamps, make friends, and uncover multiple endings. We'll be watching your progress. Best of luck, Human.

Explore locations, fight enemies, cast spells, and repeat! What more could you want in a game?

Become the first diplomat to an alien world in this dialogue-driven, Star Trek-inspired RPG. Explore an ancient civilization, befriend its strange inhabitants, and make agonizing choices that will forever shape the future of their species.

STEEB is a sci-fi exploration adventure game. You are a bio-robot scout who explores an unknown planet. Absorb unique abilities from strange alien organisms to survive the planet's dangers. Will your discoveries save humanity?

Embark on a magical adventure between a cyberpunk and a medieval world. A 2D fantasy inspired by Hong Kong recent historical events.

Welcome to Shelf's mysterious library! Time to find a way to get out of here, it can't be that difficult. Am I right?

Naev is a game about space exploration, trade and combat. Players travel the galaxy and earn money by trading, fighting and performing missions.

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?

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...

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!

Now Hiring is a top-down narrative adventure where you play a job seeker trapped in a scam syndicate. Across 21 days, your choices in dialogue battles and moral dilemmas will shape your fate, reveal human struggles, and lead to multiple endings.

A sci-fi exploration & survival game where you take on the role of a spaceship’s AI. Explore, fight, and survive across a mining colony in the Main Asteroid Belt. Rebuild your ship. Rescue your crew. Reveal the truth behind your mission.

Can you challenge oblivion itself?

In Spaceship Down, you’re Noah, a stranded tech patching up a crashed spaceship with whatever you can find. With only a sarcastic narrator and a perky AI for company, survival means thinking fast and jury-rigging your way out of a bad situation. Think you’re up for it?

InMind is a short scientific adventure with arcade elements designed for the Oculus VR. Submerge into the microworld and experience the miracles of the human mind.