Persistent World MMO

A Free Browser Space MMO.
No Download. No Pay-to-Win.

Sectorum is a persistent multiplayer space MMO that runs entirely in your browser. The galaxy is always evolving — trade routes shift, alliances form, empires rise and fall. Log in and find the universe changed while you were gone.

Enter the Galaxy — Free Beginner's Guide

Everything a Space MMO Should Be

Persistent Galaxy

1000+ sectors in a living galaxy that evolves 24/7. Player actions change the landscape permanently.

Real PvP Combat

Attack ships, raid sectors, defend your territory. Combat has real consequences — strategy and timing win.

Alliance Warfare

Form corporations, coordinate with allies, wage war across sectors. The politics are as deep as the combat.

Player Economy

A galactic economy shaped entirely by player trading. Find inefficiencies. Exploit routes. Corner markets.

Colonization

Claim planets, build colonies, generate resources. Control the right worlds and you control the galaxy.

Crew & RPG

Recruit specialized crew members. Level them up. Build a team as unique as your strategy.

A Universe Awaits.

Free browser space MMO. No download. No subscription. No pay-to-win.