
Buildings
Command, production, energy and logistics. Every part of your colony.
ExploreANDROID + iOS · SPACE 4X STRATEGY
Rebuild your colony. Strengthen your fleet. Advance toward the center with your alliance. Follow the signal that started it all.
Rex Stellarum is in development for Android and iOS. Test availability may vary by platform.

ILLUSTRATIVE WEB ART · NOT GAMEPLAY
“Do not approach the center.”END OF RECORD /
01 / COMMAND IS YOURS
Build more than a colony. Shape your production, fleet and alliance around a common purpose.

GAME BUILDING ARTWORK
BUILD. DEVELOP. FIND BALANCE.
Produce resources, manage your energy network and open new possibilities through research. Growth is about more than adding buildings.
Explore the archiveILLUSTRATIVE WEB ART · NOT GAMEPLAY
PREPARE. COMPARE. COMMAND.
Consider fleet composition, captain leadership and preparation together. Do not leave your decisions to a single power rating.
Explore the archiveILLUSTRATIVE WEB ART · NOT GAMEPLAY
UNITE. ADVANCE. LEAVE YOUR MARK.
Unite around a shared objective. As you advance across the map, make your colony’s future part of a larger struggle.
Explore the archive
GAME BACKGROUND · ATMOSPHERE ART
LISTEN. EXPLORE. REMEMBER.
Piece together the records left behind. Investigate the night the colonies fell silent and why the center is still calling.
Explore the archive02 / GAME ARCHIVE
From buildings to captains, resources to the world map. One archive that opens as game data is verified.

Command, production, energy and logistics. Every part of your colony.
ExploreIdentities, combat roles and progression paths.
ExploreCombat hulls, civilian ships and robot support.
ExplorePrerequisites, development paths and bonuses that actually work.
ExploreProduction, storage, target demand and actual energy allocation.
ExploreRegions, alliance structures and the frontier beyond your colony.
Explore
03 / BEHIND THE SILENCE
IT ALL BEGAN WITH A SIGNAL.
An artificial intelligence with fractured memories. A one-line warning recovered from the wreckage. A call from the center of the map.
Read more04 / STRATEGY TOOLS
Battle Lab is being prepared to compare known fleet data using the same combat rules. It will not produce results until its engine integration is verified.
Open Battle LabAwaiting engine verification
05 / THE FIRST COMMANDERS
Test access, version notes and participation links will be published in the Test Center. No verified participation link is available yet.
Test statusGame development is ongoing. Release status will be verified separately.
Participation link and device verification pending.
Participation requirements and dates are not announced.
No release date has been announced.
06 / BEFORE YOU BEGIN
Rex Stellarum is in development for Android and iOS. Test availability may vary by platform.
This site has no verified Google Play, App Store or test participation link. Access details will appear in the Test Center when available.
Command Center, Metal Mine and Void Reactor use existing game artwork. The space background provides atmosphere. Schematic fleet/world art and the hero planet are representative website illustrations, not gameplay screenshots.
There is no general guarantee that saves will carry over between test versions. Save compatibility will be explained in the relevant release notes.
The website accepts no payments. Real-money purchasing is disabled in the current test build.
Use the email template on the Support page and include your game version, device model and reproduction steps. Never share passwords, one-time codes or account keys.
No. It will not show a winner, losses or a win percentage until game data, the combat engine and shared test scenarios have been verified.