Star Ruler 2

Star Ruler 2

Blind Mind Studios · 2015 · Strategy, Space, 4X, Sci-fi, RTS

PC
Very Positive81% · 6613playing now
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$12.46-68%
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Screenshots

About Star Ruler 2

✦ AI summary

Build a sprawling space empire across massive procedurally-scaled galaxies, managing economy, military, and diplomacy while designing custom warships to dominate your foes. Master politics as a core gameplay pillar alongside traditional 4X mechanics, with unmatched mod support and multiplayer for up to 28 players across Windows and Linux.

Star Ruler 2 is a massive scale 4X/RTS set in space. Explore dozens, hundreds, or even thousands of systems in a galaxy of your choosing, expand across its planets, exploit the resources you find, and ultimately exterminate any who stand in your way. The fate of your empire depends on your ability to master the economy, field a military, influence galactic politics, and learn what you can about the universe.

Galactic Economy


Colonize planets, each with one of dozens of resources, working in unison to create bustling centers of production. The resources you choose matter, and will guide your empire and its conflicts throughout the entire game.

Custom Ships


Design ships that fit your needs, strategies, and tactics using our new 'blueprint painting' approach to ship design. Quickly and intuitively lay out the armor, weapons, engines, and internals of your vessels.

Politics with Power


Diplomacy and influence gathering are reinvented as a core mechanic of the game, giving meaningful alternative options to players and serving as a platform of interaction both between players and AIs as well as humans in multiplayer. Harness your influence to annex territory, spy on enemies, aid allies, and more! You truly have the opportunity to affect the political landscape.

Massive Scale


Running on our internally developed Starflare Engine, Star Ruler 2 is able to make full use of multi-core cpus, and runs on both 32 bit and 64 bit machines. The size of a galaxy is only limited by your hardware and ambitions!

Intricate Research


Expand your knowledge through a grid of numerous technologies, big and small. Improve nearly every aspect of your empire.

Complete Moddability


You can modify the gameplay, graphics, interface, and virtually every other facet of the game through scripts and data files, giving unprecedented freedom to the modding community to implement any feature they want. Use the in-game mod editor to add or change most content, and upload your mod to the Steam Workshop!

Full Multiplayer


Star Ruler 2 features complete multiplayer support with up to 28 players and AIs in the same game.

Games above 8 players or in galaxies of several hundred systems may exceed the capacity of a typical home connection. Consider playing very large games on LAN.

Cross-Platform Support


Star Ruler 2 supports both Windows and Linux, with all game features supported fully on and between both operating systems.

DLC & expansions

🎁 Complete the collection

Base game + 1 of 1 DLC at today's best prices.

$22.45
to own everything

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended May 4, 2026
They open sourced this game, check discussions, kudos.
2 found this helpful
Recommended Mar 9, 2026
I played the game only for a little while. I did like the innovative side, however I didn't feel like spending too much time in it. I found the ship building strange (not necessarily bad). The idea of stacking planets is nice. But I find it tedious for now. Perhaps it's a different time from when the game came out. The UI feels clunky but I believe i could get used to it. Combat was very uninformative. Ships fighting, but I have no clue what was happening. So why do I recommend the game? Price is VERY important here. I find the game interesting enough for a few euros and I believe one can find many many hours here, were he so inclined. So the recommendation is mostly because of the games originality. A different take on things. I have recognized some systems as appearing in more modern titles, I suspect this might have been the inspiration. Music was okay, thematic, unintrusive. Graphics were servicable. UI despite feeling clunky, did what it should, mostly.
1 found this helpful
Recommended Jun 7, 2026
One of the strangest RTS games I've played. The races all play differently, which is a very nice mixup. However at the end of the day the only thing that actually matters is ship design, and the AI can't do this at all, so once you have a good design you basically win every game from that point on.
Recommended May 5, 2026
This space empire sim checks so many boxes. Have fun!
Recommended Mar 24, 2026
I like how you use interplanetary trade to 'upgrade' planets into production hubs. the combat is awesome you can zoom out and watch the beam weapons light up and you can zoom in and see the carnage close up and watch ships blow up in huge explosions. I think the graphics of the ships are cool and I like how the diplomacy functions. You can get spies to spy on the enemy and there are a whole slew of things you can do with the diplomacy function. one of the diplomacy 'things' you can do is buy one and then use it to convince an enemy planet to join you and you can also use diplomacy to get the galactic senate to cede to you an entire enemy starsystem (the enemy of course will retaliate). I have only scratched the surface of all the stuff you can do on the diplomacy screen. Personally I play the game for the awesome combat. be sure to have scout ships to go off and explore the galaxy. and the tutorial is excellent. I am a fan of this game!
Recommended Mar 18, 2026
THE GAME IS GREAT!!!

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