Top similar games like Interstellaria:

Sublunar is a Sci-fi, Puzzle, Strategy game, where the goal is to convert settlements over to your faction, by performing missions and strategic upgrades, while fending off bandits and subsiding revolts.

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.

Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!

Embark on an Interstellar Odyssey! Captain your own starship amidst a network of bustling transit stations, ferrying passengers of diverse species. Upgrade your vessel, navigate volatile interspecies relations, and avert cosmic chaos in this thrilling sci-fi saga!

Terra is an atmospheric real-time strategy game that combines 4X elements with a procedural universe. Wage war, engage in diplomacy, and discover hidden characters and the mysteries of the universe through the eyes of one of 5 unique factions.

Explore, trade and fight your way through Massive Galaxy, a point and click narrative adventure set in bustling cyberpunk cities, deserted wastelands and beautifully crafted space habitats

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.

Cosmo's Industry is a point-and-click, inventory-management adventure where you run an old, run-down shop that was abandoned by its previous owner. With the facilities damaged or lost entirely, it's your job and pleasure to recover as much as you can while satisfying the needs of your customers.

Nonentity Galaxy is a rouge-lite light strategy game that includes starship battles, asset management, and dark humor. You will play as a business investigator who seeks profits for the company, dealing with the worst things you can expect... Thankfully you have your buddies :)

Noble Armada: Lost Worlds is a moddable real-time strategy PC title based on the Noble Armada miniatures game. Set in the Fading Suns Universe, the five Royal Houses dominate human space as they battle each other for control of the greatest resource... humanity itself.

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.

Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.

Fishtronomy is an adorable minimalistic puzzle game where you launch fish through space to form constellations and help decorate the skies! Make the sights in Fishtronomy.

The essence of the Heliconian is to manage a mixed crew of renegades aboard the starship Heliconian. Manage the crew member’s actions and the ship’s functions to survive as long as possible while exploring the star system in the hopes of earning upgrades and ultimately a safe haven.

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.

Stellar Mess is a 2D point&click adventure game, set somewhere in Argentinean Patagonia. The game is inspired by early classic EGA games of the genre.

Outscape is everything you love about traditional strategy games, but places your empire within a vast online galaxy alongside other real players. Outscape rewards skillful long-term strategic gameplay with a brilliantly refreshing new take on the 4X genre.

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.

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.

HIRED STARS is an isometric single player RTS game in an open, randomly generated sandbox universe. You take control of a small mercenary force. Plunder trade routes, attack pirates, fight the Empire or follow the story. Conquer or buy new ships and equipment. Recruit new captains and level them.

Are you curious to discover what lies beyond our planet? Accompany Bean on his space mission and discover an endless number of adorable creatures called Puddies that will have to be trained. Launch yourself into the unknown or you launch him.

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.

Star Armada is a spaceship auto-battler where you assemble and command a fleet of capital ships and fighter squadrons. Unlock powerful new ships and outfit them with a range of turrets, energy shields, and starfighter hangars. Engage in automated battles, carefully timing unique abilities to win.

"Welcome To Mars 9: The Tale Of River" is a classic graphic adventure game where you will navigate a luxurious space station orbiting Mars, uncovering dark secrets and making ethical choices. The game's pixel art creates a captivating world with multiple endings, offering a journey of self-discovery

A research spaceship reaches an abandoned planet. Nothing is what it seems here and the situation quickly slips out of control. Can the crew manage to survive and get back home?

It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

"Who is Yoko?" Unlock the mystery as you control Locke, Jeanne and Primus to discover the secrets of their existence in this point and click, cyberpunk noir adventure.

Explore a huge universe on your journey on behalf of the Stellar Union. Trade with alien races, build your own space stations, collect resources and craft a wide variety of items. Upgrade your ship to defeat even the strongest enemies in the galaxy.

Become spacefaring merchant in a galaxy filled with diverse planets, each with its own economy, resources, and challenges. Amass wealth and reputation by trading goods, negotiating with factions, and navigating the intricacies of interstellar commerce.

Embark on an adventure with Loot Express Delivery Service, a 2D pixel art game. As the commander, your goal is to retrieve valuable items from a distant planet. Utilize your skills and strategy to complete missions and guide your company to prosperity.

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.

Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!

Manage your very own space station in this Tycoon game. Sell fuel and repairs to the visitors. Manufacture and research new ways to defend your business and make more money while balancing your relations towards other factions. Survive against all odds.

Captain Gail Pilgrim has been flying starships since she was a kid, ferrying passengers between planets and space stations across the galaxy. She has no reason to expect that this latest trip to Alpha Centauri will be anything special, even if her passengers are a little more diverse than usual....