
Existence is a strategy game on a massive scale. Lead your expanding empire, explore the galaxy, and master simultaneous space and planetary battles. Engage in solo play or team up with friends for intense PvP and co-op action.
60+ similar titles based on shared tags and player behavior. Themes include 4X, Grand Strategy, Management, Diplomacy.

Existence is a strategy game on a massive scale. Lead your expanding empire, explore the galaxy, and master simultaneous space and planetary battles. Engage in solo play or team up with friends for intense PvP and co-op action.

Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

Star Trek: Infinite
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Why similar: Diplomacy 17.6% ★, 4X 11.5% ★, Grand Strategy 8.8% ★, Space Sim 7.4% ★, Online Co-Op 6.5%
Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.
Why similar: Diplomacy 20.5% ★, 4X 17.8% ★, Grand Strategy 14% ★, Space Sim 8% ★, RTS 8%
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Why similar: Diplomacy 21.2% ★, 4X 17.2% ★, Grand Strategy 13.8% ★, Space 8.2%, Management 7.4%
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
Why similar: 4X 20.7% ★, Grand Strategy 17.2% ★, Diplomacy 13.9% ★, Space 12.2%, Sandbox 7.1%
Astronomics Rise of a New Empire is an easy-to-learn real-time global strategy(4X) game. Control your faction in an intergalactic conflict. Manage your economy, conduct diplomatic negotiations and build a fleet to rule the galaxy.
Why similar: Diplomacy 22.7% ★, 4X 18.4% ★, Grand Strategy 14.6% ★, RTS 9.6%, Space 8.8%
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Why similar: Diplomacy 22.2% ★, 4X 16.5% ★, Grand Strategy 12.3% ★, Management 12.1%, RTS 9.2%
Take command of the war machine of an empire in this 4x RTS hybrid. Fight battles with your flagship fleet in fully 3D real-time space combat. Recruit, train and dispatch commanders. Give them orders, directives and equip their fleets. Manage your empire’s supply logistics and fleet operations.
Why similar: 4X 22.2% ★, Diplomacy 15.4% ★, RTS 12.7%, Grand Strategy 12% ★, Space 10.7%
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?
Why similar: Diplomacy 20.5% ★, 4X 16.5% ★, Grand Strategy 12.8% ★, Space Sim 9.2% ★, Military 7.8%
Save humanity from the brink of extinction in this sci-fi strategy game of survival. Travel among the stars to seek out resources, establish and develop colonies to sustain civilization, and grow your military might to push back against an overwhelming threat.
Why similar: Diplomacy 22.9% ★, 4X 16.8% ★, Grand Strategy 13% ★, Management 8.1%, Space 7.7%
Rule a living interstellar empire in this real-time 4X grand strategy. Make decisions that shape civilian lives, manage fragile supply lines, lead military conquests, and decide whether your civilization thrives or collapses under its own expansion.
Why similar: Diplomacy 21.4% ★, 4X 19.7% ★, Grand Strategy 14.7% ★, RTS 10.1%, Space 9.1%
Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.
Why similar: Diplomacy 21.6% ★, 4X 18.7% ★, Grand Strategy 14.9% ★, Space 9.2%, Management 8%
AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.
Why similar: Diplomacy 18.9% ★, 4X 15.9% ★, Grand Strategy 15% ★, RTS 8%, Management 7.7%
Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare. Hire galactic hit-men on your rivals. Raid neighbors for rare resources. Train spies to infiltrate enemy bases for key intel. Grow your empire to dominate the galaxy.
Why similar: Diplomacy 20.1% ★, 4X 16.2% ★, Grand Strategy 11.3% ★, Space Sim 11.2% ★, Management 9.3%
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!
Why similar: 4X 22.2% ★, Diplomacy 18.7% ★, Grand Strategy 16.7% ★, Management 11.5%, Space 9.1%
Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.
Why similar: Diplomacy 23% ★, 4X 18.6% ★, Grand Strategy 16.8% ★, Space 10.3%, Space Sim 7.2% ★
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
Why similar: 4X 23.2% ★, Grand Strategy 16.2% ★, RTS 8.8%, Management 7.6%, Online Co-Op 6.9%
Lead your civilization in a galaxy brimming with life and intrigue. Seamlessly explore and expand across uncharted worlds, from their surfaces to the stars. Forge your destiny in this sci-fi 4X offering a unique blend of grand strategy, planetary city-building, and RTS combat.
Why similar: Diplomacy 20.7% ★, 4X 19.9% ★, Grand Strategy 14.4% ★, Management 9.5%, RTS 8.6%
Create a Company, Build structures, Collect Resources, Make Investments and Speculate on Assets. Carefully manage your Workforce, Finances, Resources, Shareholders, BOD & Political Partnerships.
Why similar: Diplomacy 27.3% ★, 4X 16% ★, Grand Strategy 11.7% ★, Space Sim 11% ★, Management 9.3%
Ascendance is a real-time space strategy game that sees you lead your civilisation into a vast and mysterious galaxy. Experience an immersive journey with detailed civilisations, deeply-simulated economies, internal politics, nuanced diplomacy, and intense space battles.
Why similar: 4X 22% ★, Diplomacy 17.7% ★, Grand Strategy 16.5% ★, RTS 11.6%, Space 9.1%
Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.
Why similar: Diplomacy 25.1% ★, 4X 19.1% ★, Grand Strategy 14.7% ★, Management 8.9%, Military 6.8%
This is a deep focus on the Spring and Autumn period of the Warring States period of the grand strategy and real-time combat fusion sandbox game.
Why similar: Diplomacy 29% ★, 4X 19.6% ★, Grand Strategy 14.2% ★, RTS 11.1%, Military 7.2%
A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.
Why similar: Diplomacy 26.8% ★, Grand Strategy 18.6% ★, 4X 14.8% ★, Space 8.4%, Military 7.2%
Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?
Why similar: Diplomacy 25.4% ★, 4X 19.1% ★, Grand Strategy 14.8% ★, Management 9.1%, Military 7%
Space 4X game with the ability to build factories, extract resources, with characters, internal and external markets ... Take part in the discussion of the game, share your vision)
Why similar: 4X 26.6% ★, Grand Strategy 19.6% ★, RTS 13.6%, Management 11%, Space 9.9%
Heroes of Might and Magic: Olden Era is the official prequel hailing back to the origins of the genre-defining, critically acclaimed series of turn-based strategy games. Raise grand armies and wield devastating spells to overcome your foes in both solo and multiplayer.
Why similar: Diplomacy 25.1% ★, 4X 18.9% ★, Grand Strategy 14.8% ★, Management 9%, Military 7.3%
A multiplayer space RTS blending in depth mechanics with fast paced skirmish matches. control and manage an empire together with your team in large-scale online battles
Why similar: Diplomacy 22.3% ★, 4X 19.6% ★, Grand Strategy 15.9% ★, Space Sim 13.1% ★, RTS 11.6%
Take control of any nation and shape its future. Manage resources, trade, and taxes, engage in real-time warfare, navigate global diplomacy, and react to dynamic world events. Build a thriving economy, forge alliances, and command armies in a constantly evolving world!
Why similar: Diplomacy 23.5% ★, 4X 18.8% ★, Grand Strategy 15.7% ★, RTS 10.4%, Military 7.7%
Build a nation starting at any point in human history and compete for supremacy in this epic turn-based strategy game. Engage in diplomacy, fight wars, and go head-to-head with other leaders from history.
Why similar: Diplomacy 27.3% ★, 4X 27.2% ★, Grand Strategy 19.8% ★, Management 9.2%, Military 7.6%
Get ready for an exciting real-time strategy game experience like no other with Seven Kingdoms 2! Say goodbye to the monotony of resource gathering and army building, its unique gameplay offers a thrilling blend of city management, trade, industry, espionage, diplomacy, and conquest!
Why similar: Diplomacy 26.8% ★, 4X 19.7% ★, RTS 14%, Grand Strategy 11.5% ★, Management 5.8%
A grand strategy game of world domination. Conquer and unite 195 countries before an unknown enemy arrives. Build your economy, military, and influence. Choose war or diplomacy, control resources, and shape the future—only one ruler will rise to the top. Will it be you?
Why similar: Diplomacy 28.4% ★, 4X 21.9% ★, Grand Strategy 18.6% ★, RTS 12.3%, Military 9.5%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: Diplomacy 26.1% ★, 4X 19.1% ★, Grand Strategy 14.9% ★, Management 9.2%, RTS 8.1%
The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival. Facing an overwhelming threat at home, humanity sends expeditions to the Pegasus Galaxy in a desperate attempt to find a refuge for the population of Earth.
Why similar: Diplomacy 28.8% ★, 4X 20.6% ★, Grand Strategy 16.1% ★, Management 9.4%, Space 9.2%
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Why similar: 4X 22.7% ★, Diplomacy 22.4% ★, Grand Strategy 15.8% ★, Management 8.9%, Space 8.8%
Space strategy gaming reimagined. Dive into fast-paced real-time planetary battles against the backdrop of a turn-based campaign that sees you build your empire in the stars. With hundreds of troops and ships at your command, can you forge an empire that lasts?
Why similar: Diplomacy 31.2% ★, Grand Strategy 19.2% ★, RTS 14.3%, Space 9.7%, Military 9.1%
Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.
Why similar: 4X 24% ★, Grand Strategy 17.6% ★, Space Sim 15.4% ★, Diplomacy 15.3% ★, RTS 10.3%
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier. Guide your empire through conquest, prosperity, or industrial power as you advance through six distinct tech trees and forge your path to victory.
Why similar: 4X 29.9% ★, Grand Strategy 15.7% ★, Space 11.9%, RTS 10.1%, Management 9%
Become a strategeist and lead one of hundreds of nations on the globe across centuries of conflict and diplomacy in this grand strategy game. Balance war, politics, and internal institutions to shape the fate of your empire, and secure your legacy in history.
Why similar: Diplomacy 27.5% ★, Grand Strategy 20.2% ★, 4X 12.3% ★, Management 9%, Sandbox 8%
Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.
Why similar: Diplomacy 26.7% ★, 4X 23.2% ★, Grand Strategy 18.7% ★, Space 9.1%, Management 9%
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
Why similar: 4X 39% ★, Space 16%, Grand Strategy 15.9% ★, Strategy 7.4%, RTS 6.6%
Great Houses of Calderia is a Feudal Grand Strategy game focusing on family dynamics & stories. Use your family strengths to compete against rivals to rise in the ranks of Calderia - produce, trade, scheme, bribe, and battle to build your legacy of power!
Why similar: Grand Strategy 23.6% ★, Diplomacy 21% ★, 4X 13.2% ★, Management 10.7%, Military 8.4%
A large-scale 4X strategy game with indirect control and a focus on simulating a space empire. Capture systems, develop your economy and logistics, call up hundreds of powerful fleets and watch them incinerate enemies of the Solar Empire.
Why similar: 4X 26.3% ★, Grand Strategy 20.9% ★, RTS 13.2%, Space 12.7%, Management 10.6%
Star Zeal is a space based 4x strategy and rpg hybrid. A mixture between a procedural, open ended RPG and a space civilization builder. Go on an adventure with your character and their faction whilst making friends, enemies and exploring a vast galaxy.
Why similar: 4X 23.6% ★, Grand Strategy 17.2% ★, Space Sim 13.6% ★, RTS 12.1%, Sandbox 7.7%
Navigate through interactions with competing powers to lead your nation to global domination in this 4X open sandbox geopolitical sim set in post-WW2 alt-history world. You have 251 years at your disposal to conquer and unify the planet or take your nation into space. Can you make it?
Why similar: Diplomacy 28.5% ★, 4X 23.7% ★, Grand Strategy 17.5% ★, Management 9.2%, Sandbox 7.2%
A turn-based grand strategy about the exploration of the Solar System. Use technologies — from existing prototypes to near-future engineering concepts. Build a space industry and become the leader of a new era.
Why similar: Diplomacy 35.7% ★, 4X 12.8% ★, Space 10.2%, Management 10%, Space Sim 9.8% ★
Geopolitical management game with real-time shifting borders and a streamlined gameplay, designed to minimize all burdensome chores while allowing an absolute strategic control, from military recruitment and deployment, to diplomatic and economic management.
Why similar: Diplomacy 32.6% ★, Grand Strategy 20.8% ★, RTS 12%, Military 11.7%, Management 11%
Structura is a rather unique sci-fi real-time strategy set in space. Its a hybrid of rts and fps, with emphasis on combat and survival. Build your economy for war, modify the unit by adding components, explore, expand, and survive the savage waves of enemy attacks.
Why similar: 4X 26.2% ★, Grand Strategy 18.7% ★, Space Sim 16.6% ★, RTS 14.7%, Base Building 8.9%
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!
Why similar: Diplomacy 27.6% ★, Grand Strategy 19.7% ★, RTS 16.4%, Space 12.3%, Multiplayer 9%
Real time strategy and society management game. Explore the planet, build and defend your colony. Trade products and armaments and take advantage of price changes. Let your colonists establish their own businesses or build the buildings yourself. Fight against the enemy colonies and alien lifeforms.
Why similar: Diplomacy 28.1% ★, 4X 19.3% ★, RTS 11.5%, Management 10.7%, Strategy 10.1%
Age of Resistance is a modern grand strategy set in South America. Manage your economy, internal stability, political ideologies, and regional conflicts in real-time with pause. Will you be able to dominate the continent?
Why similar: Diplomacy 30.9% ★, Grand Strategy 21.4% ★, RTS 14.3%, Military 9.1%, Simulation 8.5%
Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall.
Why similar: Diplomacy 29% ★, 4X 20% ★, Grand Strategy 15.9% ★, Management 10.5%, Base Building 8.2%
Travel to the Holy Land with the First Crusades. Rise from a humble knight to the founding father of a world-spanning holy order. Lead through war, faith, diplomacy, and cunning schemes. Experience a unique blend of RTS, city-building, and sandbox gameplay, and shape history!
Why similar: Diplomacy 21.4% ★, Grand Strategy 20.4% ★, 4X 16.2% ★, RTS 14.5%, Sandbox 10.1%
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Why similar: 4X 28.2% ★, Diplomacy 17.1% ★, Grand Strategy 15.7% ★, Space 11.8%, Sci-fi 6.1%
Thrive: Heavy Lies the Crown is a complex city builder, where the fate of your kingdom hinges on your every decision. Explore this medieval land alone or with friends, make tough moral choices and conquer your foes in RTS combat. Will you struggle to survive, or find the strength to Thrive?
Why similar: 4X 29.2% ★, Grand Strategy 16.6% ★, Online Co-Op 11.5%, RTS 10.5%, Management 9.1%
In Sins of a Solar Empire: Trinity, you are the leader of a civilization embroiled in a galactic war, fighting for the survival of your entire race against relentless foes.
Why similar: Diplomacy 25.5% ★, 4X 20.3% ★, Space Sim 12.3% ★, RTS 10.5%, Space 8.3%
It's 1347, the time of the Hundred Years' War. In this historical grand strategy and RTS hybrid you play as one of 200 minor lords across medieval Europe, Africa or Middle East. Rise up to take over your Kingdom and be crowned, then fight to preserve your empire as Black Death descends on Europe.
Why similar: Diplomacy 23.8% ★, 4X 18.5% ★, Grand Strategy 16.8% ★, RTS 11.9%, Military 7.6%
Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.
Why similar: Diplomacy 27.1% ★, 4X 19% ★, Grand Strategy 18.1% ★, Military 8.5%, Sandbox 6.5%
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Why similar: 4X 37.5% ★, Space 17.9%, RTS 14%, Grand Strategy 13.7% ★, Strategy 11.4%