Top similar games like Interstellar Espionage Inc.:

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!

Space Colony: Steam Edition is a remaster of the real-time base builder and strategy game from Firefly Studios, creators of the Stronghold series. In Space Colony you colonize to survive, designing intergalactic bases that keep your crew productive, happy and defended against hostile alien threats.

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.

Design, build, and optimize intricate, space-efficient factories in a unique grid-based puzzle system. Master complex supply chains and dominate a living interstellar economy to build your corporate empire. Conquer the cosmos alone or with friends.

Welcome to Resort Galactica, a hotel simulator set in space where you design, build, and manage an extravagant resort among the stars. Care for your guests based on each species' individual needs. Expand your hotel with restaurants, leisure centres, and entertainment floors.

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!

Build orbital factories, mine asteroids & trade with aliens in this deep space strategy game! Research tech, manage production chains, and choose: peaceful trade or combat when mysterious ships arrive. The ultimate industrial space empire simulator!

Star Life is a space sandbox RPG where you start on a planet and carve your own path. Develop skills through "learn by doing," influence dynamic economies, schedule your life with the "Life Planner," and face the challenges of space. Balance risk and survival in a universe shaped by your choices.

🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!

A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!

Take on the starship mechanic role and pay the immense debt your father left you with. Upgrade your workshop, craft components, build starships, complete contracts for factions, read the events with newspaper, and most importantly, pay the debt before the deadline.

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.

Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!

You've been sent ahead to establish a foothold economy for a future colony in deep space. Establish trade routes, buy supplies, and get the gears of industry turning before making landfall. The future of the colony is yours to decide.

Rionag: Survey Fleet is a top-down starship builder and logistics game where it's your job to balance the needs of the crews with cutting-edge equipment on board. Unlock tech that adds new capabilities for your ships to go through hazardous environments, enabling you to explore new worlds.

Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

Build and manage space outposts on the Moon and Mars in this realistic simulation game. From the first step on the Moon to Mars colonization, launch rockets, take care of your astronauts and expand your base as you explore the cosmos. No grind, just pure management and exploration fun.

Space Travellers is a unique open-world sandbox space simulator set in the year 2343. Travel the galaxy, trade, explore unexplored worlds, fight, build bases and factories, forge alliances and experience new adventures!

Interstellar Inn is a 2D hotel building and management sim in space.

Design, craft, and trade robots on the frozen world of Xylaris-9. Serve factions, upgrade your facility, and shape your robotic legacy in Robodeal Simulator.

Outpost Surge is a society survival game on Mars, where players balance resource management, city growth, and settler health to turn a barren landscape into a thriving, vibrant city.

There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.

Run your own supermarket in outer space. Keep shelves stocked and nicely organized. Supply your store with drone delivery. Will you take the duty of running a space supermarket?

Startup Company is a business simulation sandbox game where you’re the CEO of a new company. Your job is to build your very own website and compete against the largest tech giants on the planet!

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.

In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.

Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.

The deepest, most intricate simulation of a world that's ever been created. The legendary Dwarf Fortress is now on Steam. Build a fortress and try to help your dwarves survive against a deeply generated world.

Explore alien planets with carefully designed ecosystems, weather, resources, dangers and unique phenomena. Hunt animals for food and collect resources to craft equipment and repair devices on your ship. Escape each unique planet and unlock crew members and new ships.

Space Sim Tycoon – A sandbox transportation tycoon game where you can explore forbidden planets, gather resources, craft goods, and establish routes to manage your space empire.

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.

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.

Build & manage your Intergalactic Transfer Hub. Receive travellers and dock ships. Help passengers transfer, but also control them. Expand hub, build shops, take care of everyone's needs. Increase profits, change taxes. But beware: dangerous diseases and asteroids may alter your plans!

Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.

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.

Space Station Continuum is a building & management sim inspired by the past, present, and future of humans in space.