Top similar games like Interstellaria:

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.

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.

You are a space archaeologist searching for ancient and powerful artifacts. After a lifetime spent chasing myths and legends, you finally uncover clues leading to the mysterious Gemini region. Aboard your old but trusted ship, you set course for the adventure of a lifetime.

Star Trek: Voyager - Across the Unknown is a story-driven survival strategy game in which the fate of the iconic starship is in your hands. Take the helm, manage the ship and resources, and make difficult decisions. Will you be able to bring home the ship and its crew?

A classic science-fiction point-and-click adventure inspired by the genre’s greatest titles, where you’ll control two characters and solve ingenious puzzles using an innovative temporal superposition mechanic.

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

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!

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!

Take the captain's chair of the starship Odyssey. Assign specialized officers, manage vital ship systems, and navigate critical moral dilemmas in this text-based, choice-driven sci-fi command simulator. Will you uphold coalition protocols, or risk everything for survival?

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.

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?

Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.

Blend of planet system exploration, discovery, real time space combat, together with player needing to maintain and upgrade his space ship to overcome numerous obstacles. An experience quite unlike other games in its genre.

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

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.

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.

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.

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.

Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!

Andromeda Wars is a retro styled space RTS. In Andromeda Wars you must gather power, build a fleet, build defences to defend your mothership, and try to survive the onslaught from the opposing factions. Each ship you add to your fleet gives you powers but also reduces your dwindling resources.

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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.

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 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.

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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.

Regain control of planet oasis and defeat your opponent! Build your base, monitor the economy, manage your resources, explore the Map, and plan attack and defense. Build 9 different buildings and 19 different units with various abilities and win the chaotic Robot Battles.

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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.

AstraX is a side-scrolling action game about flying ships that can destroy everything in their path.

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.

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.

Command your ship and fleet in a galaxy that truly lives: 150 sectors where six factions mine, haul, trade, build and wage war whether you're there or not. Trade it, rob it, defend it — or forge your own fleet and carve out your place in it.

There are no safe spaces in Harwell. Compete for resources, manipulate the Mars Trade Committee, and outbid rivals in a player-driven economy. Use diplomacy – or sabotage and the black market – to disrupt opponents. Control the rules, control the market, eliminate the competition.