Top similar games like Rescue the Celestia:

A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.

You are a pilot, seeking revenge on your deceitful father who threw you into unknown space. Can you find your way back and get revenge? Experience a mix of 2D topdown space adventure and explore planets to discover quests, negotiate trades, mine, hunt and survive in an expanding universe.

2d pixel art, top down sci- fi space ship building, resource management simulation with some arcade, tower defense elements. You build spaceship, collect necessary resources and defend yourself against waves of enemies. Equip ship with: rockets, life support, electric system and weapons.

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!

Haul cargo, hunt bounties, upgrade your ship and get paid in a gritty lo-fi universe. Hand painted graphics, procedural generated star systems that can be navigated, story campaign mode or huge open-world.

Join the war in the depths of space with Space Shooter 24! Customizable ships, realistic graphics, and breathtaking action await you. Take action now to save the galaxy.

Port Aphelion is a trading-simulation and adventure game where players build their economic empire through honest trade, smuggling, bounty-hunting, or all-out piracy!

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Build an automated planetary factory, design modular warships, then risk them in tactical space expeditions for rare technology and resources. Push deeper for greater rewards—or return home alive and expand your factory. The factory powers the ship; the ship unlocks the factory.

Astero Inc. is a space mining simulation game where players will travel to a dystopian future in a tense competition for asteroid mining rights throughout the universe. Take on the role of a small business owner in an all-out fight against the mighty Black Corp.

Build your space station, design your own ships, and explore relaxed sci-fi sectors in Astrosphere. Gather resources, research new technologies, and shape your journey through the cosmos at your own pace.

You are neither a general nor a soldier — you are a Stellar Industrialist. To you, peace is nothing but shutdowns and losses. Venture to the frontlines, strip battlefields for wreckage and salvage, turn spoils into resources, and expand your interstellar arms empire.

Design unique spaceships and build the ultimate space mining fleet as you team up to battle for resources and glory in this massively multiplayer action strategy set in an alien wasteland.

Build and automate your own modular space fleet in this sandbox base-building game. Mine asteroids, expand your ship, fight enemies, explore new star systems, and uncover the deepest secrets of the universe.

Command a damaged scout ship in a living space colony survival sim. Wake your crew from cryostasis, secure water and food, build fragile settlements, trade or smuggle between factions, and survive the stories that emerge.

Lead humanity’s final journey beyond Earth. Launch ships, harness gravity slingshots, and explore distant star systems to make humanity multi-planetary.

Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.

A space 4X game. Colonize planets and annihilate enemy races in an intergalactic war for living space. Designed to be fun, fast, and easy to play.

In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.

Build a living interstellar civilization in a grand-strategy game where every colony, fleet, frontier, and political decision shapes the fate of your empire.

Based off the original Merchant RPG, a new Idle RPG space exploration experience!

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

The year is 2040. You, an ex-sergeant, have signed a contract with a large mining corporation in the Belt. Mine ore, build out your outpost, travel to nearby asteroids and collaborate with other belters.

Build efficient production lines, automate resource transport, and master complex logistics in a 2D factory-building experience focused purely on automation.

Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.

Amidst powerful alien empires, you are among the first humans in this corner of the procedurally generated galaxy. Trade and explore. With no combat, your success hinges on mastering complex alien economies and navigating intricate politics. Can you carve out a place for humanity in the cosmos?

HAS Galactics is a top-down factory builder. Design your own rocket, automate your production lines, balance your reputation between the Galactic Factions and complete daring missions. Start from a humble beginning… to a thriving galactic mega-factory!

Antimatter is a 4X strategy game set in a vast, living, and fully simulated galaxy of immense scale and depth. Become anything from a humble spaceship captain to a galactic emperor, and everything in between.

As the AI responsible for a Generation Ship, you are humanity's last hope. Build efficient raw material cycles and help your crew in a realistic real-time simulation to survive the challenges of space on their long journey to a new home!

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.