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An otome game where you play as Sun with the chance to romance 9 possible love interests representing the planets in the Solar System (Yes, even Pluto). All the worlds really do revolve around you!
Games You'll Love
Curated recommendations based on My Only Sunshine

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.

Curiosmos is a cozy space sim where you build your own solar system by hand, crafting planets, moons, gravity, atmosphere, and even life! Embark on a quest to discover the secrets of the universe!

You are an independent mercenary and explorer living on the harsh surface of Largitas. Upgrade and customize your equipment in preparation to fight hostile operators, explore locations on the planet whilst navigating hazards, and interact and connect with the people forced to live here.

After a huge solar storm destroyed their ship and left them stranded, help Volt and her crewmates escape the dangerous planet filled with deadly robots and a mysterious AI.

Azure Domain is an aerial dogfighting game with a huge world, intense action, and a deeply rich story. Between ancient goddesses, extradimensional beings, maniacal dictators and corrupt leaders, it's hard to simply be a fighter pilot.

Beyond Astra is a real-time 4X sci-fi grand strategy game set in a galaxy brimming with life and intrigue. Expand your own civilization, explore captivating and mysterious worlds, interact with your citizens and other life forms and shape your destiny through nearly infinite possibilities.

The Expanse: Osiris Reborn is a third-person Action RPG set in The Expanse universe. You’re no hero — just a merc caught in the wrong place at the wrong time, trying to hold your crew together and keep the ship up and running. Your choices will shape your story.

The Sun has taken your face. You are going to buy it back. A gentle, combatless RPG about being a wandering merchant.

A stealthy space opera metroidvania where actions have consequences. The stars call the Chinokitsune a space pirate--& often an assassin--but stranded on a strange alien world after a failed heist, It's up to you to reckon with your own past & motivations to thwart an ancient evil & maybe find love.

Hades, Zeus, and Athena are embroiled in a vortex of emotional power. Identity secrets are exposed, and the relationship between the three is tumultuous.

Venus is now Ishtar, a reborn figure who transcends the boundaries of the legendary Vale of Libido. Her transformation represents a bold leap, surpassing physical and ideological limits. Yet, even her newfound identity has not freed her from her confinement.

The conquest of the Solar System has begun – prove yourself as a space colonist! Pilot the spaceship, choose the planet you wish to inhabit and build your new home. However, remember that there are no rules or laws in outer space. Don't underestimate the danger and stay vigilant – enemies are near!

Zodiac Angel is a single-player, dark, third-person shooter with some horror elements. Emphasis is placed on gore and creative ways to dispatch of enemies hindering Zodi, the protagonist, from rescuing captive extraterrestrials.

Fight fast-paced boss battles against Moons, Planets, and even Stars as you travel through solar systems on a perilous mission to destroy the Core of the Universe as pirates, aliens, and cosmic horrors hunt you down while you explore the depths of the cosmos and collect unique technologies.

Design efficient space stations across the solar system in this minimalist puzzle-builder. Solve unique challenges with help from your assistant L.U.N.A., optimize your builds, maximize your score, and lead humanity’s journey beyond Earth!

One Way Road is a story-driven action game combining elements of Scroll Shooter, Top Down Shooter, and Tube Shooter. Take the helm of a space cruiser, explore the galaxy, and fight in stellar battles to save humanity.

Satellite Odyssey: Jupiter — a sci-fi horror with survival elements. Explore Europa, and unravel its dark secrets. The game combines exploration, puzzles, and combat with a unique dynamic of two heroes — a man and his loyal dog. Use their abilities to overcome obstacles and survive.

Jupiter Junkworks delivers fast-paced arcade puzzle action! Complete contracts to earn resources and rebuild a run-down spaceship junkyard. Dive into a sci-fi narrative campaign where an unlikely trio of travelers must learn to work together. But unknown to them, something awaits beyond the vault.

A short atmospheric horror game from the multi-award-winning Blue Desert Studios. Navigate the shadows of Venus in a six-wheeled space exploration vehicle on a solo mission to investigate why the planet's climate is changing. Explore the mystery and avoid the pitfalls of the planet's dark secrets.

StarKeeper is a management sim where you run a bar on an asteroid hurtling through the endless cosmos. Unlock new furniture and resources to accommodate your culturally and species-diverse guests. Established relationships will help you survive threats and affect the shape of star systems.