Short answer
Hades' Star is a mobile-first space strategy known for real-time module activation and co-op corporations. Xterium is a space MMO 4X in the same family but built around large-scale PvP: you grow an empire, command fleets and fight alliance wars that run 24/7, across three universes on one account, playable in any browser and with native iOS and Android apps. If you liked the space-strategy core of Hades' Star but want deeper PvP, persistent empire-building and cross-device play, Xterium fits — and it is free with no pay-to-win.
See the game
Real in-game screens: your empire, fleet, galaxy map and alliance.
Why Hades' Star players try Xterium
Same genre, a different emphasis. Here is what Xterium adds.
Large-scale PvP
Alliance wars with dozens of players coordinating attacks, defense and diplomacy — PvP is the core, not an aside.
Browser and mobile
Play in any browser or with native iOS and Android apps — one account, synced, not mobile-only.
Persistent empire
Grow many planets and fleets over time; the world keeps developing while you are away.
Three universes
War of Alliances, Classic, Reborn — different tempo and balance on one account.
Open mechanics
Every economy and combat formula is public in the knowledge base — no guesswork.
Free, no pay-to-win
Premium is convenience only. Every strategy and victory is reachable for free.
Xterium vs Hades' Star
Honest comparison on the parameters that matter for choosing.
| Parameter | Xterium | Hades' Star |
|---|---|---|
| Focus | Large-scale PvP alliance wars | Co-op + PvE with some PvP |
| Platform | Browser + native iOS/Android | Mobile-first |
| Scale | Empire of many planets + fleets | Focused fleet/ship management |
| Worlds | Three universes, one account | Shared world |
| Pace | Persistent, asynchronous 24/7 | Real-time module activation |
| Free-to-play | Fully, no pay-to-win | Free-to-play |
Both are space strategies — pick by emphasis: co-op and real-time modules (Hades' Star) or a persistent PvP empire with alliance wars (Xterium).
Where Hades' Star is stronger — and who should stay
Hades' Star is more polished as a pure mobile experience, has a lower skill floor and its co-op corporation play is gentler than full-scale PvP. If you want a relaxed, co-op-first mobile game, stay with it. Xterium fits if you want a persistent empire and large-scale alliance warfare, on both browser and mobile. Coming over? Start with the free registration.
Starter guides
How to Farm Expeditions in Xterium — Database and Hostail
Xterium Expedition Guide: Where to Start in the Endless Reaches, How to Navigate the Hostail Sectors, What Loot You Can Find There, and How to Keep Your Fleet Safe.
OpenWhich studies to download in Xterium—priorities and order
Which technologies should a beginner research in Xterium, and in what order: Processors, Resource Extraction, Energy, Engines, and Combat Trees. The research tree has been verified against the game code.
OpenWhere to Start as a Beginner in Xterium — First Steps
A Step-by-Step Guide for Xterium Newcomers: Mines, Energy, First Explorations, Base Defense, Expeditions, and Alliances. Covering game mechanics and community tips.
Open

