
What makes it hard: systems — knowing how it works.
How hard is Sins of a Solar Empire: Rebellion?
What makes it hard: systems — knowing how it works. You get through it by working out what the game is actually doing and coming back with a better build or a better plan, not by faster hands.
Finishing it
Sins of a Solar Empire: Rebellion has an ending, but nothing in its achievement list marks it clearly enough to trust — so there's no finish rate to show.
Rarest achievements
Published rarity by platform.
Steam
Vasari Empire ResearcherResearch every subject in the Empire Tree while researching no subjects in the Warfare, Fortification or Manipulation Trees.5.5%
Advent Harmony ResearcherResearch every subject in the Harmony Tree while researching no subjects in the Hostility, Security or Understanding Trees.5.5%
Vasari Warfare ResearcherResearch every subject in the Warfare Tree while researching no subjects in the Empire, Fortification or Manipulation Trees.5.6%
TEC Civilian ResearcherResearch every subject in the Civilian Tree while researching no subjects in the Military, Defense or Diplomacy trees.5.6%
Advent Hostility ResearcherResearch every subject in the Hostility Tree while researching no subjects in the Harmony, Security, or Understanding Trees.5.6%
Played Sins of a Solar Empire: Rebellion? See how many of these you've got.
- Which ones you've earned — and which you're missing
- Your rarest unlock, and where it ranks
- Your whole history for this game, on one timeline
- Steam, PlayStation, Xbox and Battle.net in one place
Free. Takes about a minute.
About 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.
How rarity is calculated
Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.
- Steam — Valve's published global unlock percentage across Steam owners of the game.
Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated .