A Doomed Dynasty
Kill off the Aluxian Resurgence on a single map.
Rare14.4%of Steam players
Steam
Sins of a Solar Empire II Achievements
Current global Steam unlock rates, ordered from rarest to most common.
Total achievements72
Rarest rate0.200%
Ultra rare7
Last checkedSep 16, 2026
Current official data
Rarity labels are derived from the exact global percentage shown on each row.
Best Offense…
Win as the TEC Primacy.
Rare14.8%of Steam players
Pirate Hunter
Kill off the pirates in a match.
Rare15.3%of Steam players
Commander
Play for 50 hours.
Rare15.6%of Steam players
Adept Administrator
20+ planets with maxed out planet tracks (after all research upgrades).
Rare16.1%of Steam players
Best Defense…
Win as the TEC Enclave.
Rare16.6%of Steam players
Friend of the Aluxi
Max out reputation level with the Aluxian Resurgence.
Rare18.1%of Steam players
Diplomat
Win a game with an ally.
Rare18.9%of Steam players
Exotic Salesman
Sell an exotic resource.
Rare18.9%of Steam players
All-Knowing
Complete all research subjects in a single game.
Rare19.0%of Steam players
Starbase Recycler
Destroy at least 10 enemy starbases in a single game.
Rare19.8%of Steam players
We Are Here To Stay
Max out reputation level with the Viturak Cabal.
Uncommon20.5%of Steam players
Elite Status
Have a level 10 capital ship or titan.
Uncommon22.0%of Steam players
Lieutenant
Play for 30 hours.
Uncommon22.1%of Steam players
Talk Like A Pirate
Max out reputation level with the Pirates.
Uncommon22.4%of Steam players
Letter of Marque
Kill 100 pirate ships.
Uncommon23.0%of Steam players
Ally of the Jiskun
Max out reputation level with the Jiskun Force.
Uncommon23.5%of Steam players
Our Survival Is Assured
Max out reputation level with the Pranast United.
Uncommon24.7%of Steam players
Influential
Spend 10 Influence points in a single action.
Uncommon25.3%of Steam players
Starbase Builder
Have at least 10 starbases in a single game.
Uncommon26.5%of Steam players