Games like X3: Reunion on Steam
Filters & Lists
Empyrion - Galactic Survival
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Universe Sandbox
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Automation Empire
Build and manage a massive industrial network of factories, mines, and farms. Employ a fleet of trains, trucks, and robotic drones. In the age of automation, efficiency is survival!
Majesty 2
In the world of Majesty, you are the ruler of the kingdom Ardania. At your service are your loyal and somewhat obnoxious subordinates, who have their own minds about how things should be done. In fact, Majesty is the only game where your heroes decide on their own what should be done and when, leaving you to try to control them through...
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
RollerCoaster Tycoon® 2: Triple Thrill Pack
This compilation includes the entire RollerCoaster Tycoon 2 series, with the original game as well as the Time Twister and Wacky Worlds expansions.
Total Tank Simulator
Commander in the ranks. Soldier at heart. Choose a faction and deploy and command your army into massive physics-driven WWII battles to the last man standing. Destroy everything on sight with an insane amount of units that will behave tactically.
Reentry - A Space Flight Simulator
Do you have what it takes to be an astronaut? Reentry is a realistic space flight simulator based on NASAs space programs; from the first American human spaceflight in Project Mercury, the rendezvous and EVAs of Project Gemini to the Moon landing in Project Apollo.
News Tower
Develop your newspaper and become New York’s new media mogul! In this tycoon, build and manage your newspaper from printer to toilet. Create your editorial line and lead your journalists through unique 1930's stories and dig out the latest scoops!
Patrician III
Become a fellow of the famous medieval Hanse trading association in the 13th century. Manage the politics, prestige and economic success in your city and the known parts of Europe!
Ultimate Epic Battle Simulator
Here is a sandbox like no other. Create massive battles with absolutely no limits. Want to see 10,000 chickens fight an army of Romans?? Sure, why not. Want to see a company of WW2 U.S soldiers fight 11,000 Medieval soldiers?? There are simply no limits to the carnage you can achieve in UEBS.
Game Dev Studio
Welcome to your own Game Dev Studio! How will you run your own offices and ascend to greatness in the gaming industry?
Flight Of Nova
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
Internet Cafe Evolution
This is a business simulation + construction game. It tells the evolution history of Internet cafes that began in the 1990s, and imagines the future of internet cafes. There are also some small emotional stories.
Ancient Warfare 3
Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...
Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Transport Fever 2
The classic transport simulation genre has a new gold standard with Transport Fever 2. Discover a whole new world by navigating transport routes through land, water and air. May progress and prosperity find their way!
Casino Inc.
Classic strategy game from 2003. Run your own casino in the 1970s. It's classy. It's glitzy. It's all yours. Take a gamble. Start small with a slot machine or two. Employ some staff. People will be talking about your place from coast to coast. Includes The Management Expansion Pack.
Planets Under Attack
Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
Caravan
Are you ready to embark on a journey through deserts and dangers? Will you be able to safely navigate your fellowship through the lands of the Orient and uncover your destiny? Through strategic trading and traveling you will overcome obstacles and adversity.
Space Run
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
Tube Tycoon
The only game of its kind where you can feel like a real internet celebrity! Record videos, interact with your subscribers, buy better equipment and gain fame!
Sumerians
Sumerians is a city building game set in ancient Mesopotamia. Attract new citizens and grow by expanding your irrigation system, building walls, palaces, temples and ziggurats. Research new technologies, manage your production, hire workers, and trade.
SimCity™ 3000 Unlimited
SimCity 3000 Unlimited brings you the classic strategy gaming of SimCity 3000 with all-new scenarios that open up a whole world of city planning and building possibilities! The thrills of the classic SimCity 3000 are here again!