Sins of a Solar Empire II

72 achievements

Ultra Rare×22

Very Rare×20

Rare×24

Uncommon×6

About Sins of a Solar Empire II's achievements

Sins of a Solar Empire II has 72 Steam achievements, 22 of them ultra-rare — unlocked by under 5% of players. The rarest is "Unlikely Allies Revealed", earned by just 0.4% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

0.4%

of players earned "Unlikely Allies Revealed"

🗺️ Community guides & walkthroughs

Community Ratings

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Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Sins of a Solar Empire II achievements

72 achievements

Unlikely Allies Revealed

Get a synergy pact with an Eidolon player as the Advent Wrath.

Ultra Rare0.4%

Portal Nexus

Have 10 Minor or Major Portals on a single planet.

Ultra Rare0.5%

The Predator Becomes the Prey

Defeat an Eidolon player as the Vasari.

Ultra Rare0.7%

Military Intelligence

Research all military and no civilian topics; and win the game.

Ultra Rare0.9%

Combat Jump

Teleport the Eidolon Starbase into hostile territory.

Ultra Rare1.0%

Systemic Corruption

Corrupt and shroud 25 planets during a single match.

Ultra Rare1.1%

Against All Odds

Eliminate an Eidolon as the TEC.

Ultra Rare1.3%

Dust and Echoes

Strip to the core 30 planets in one game.

Ultra Rare1.8%

Don't Fix What Never Broke

Equip 3 planet artifacts at one time on the same planet.

Ultra Rare2.0%

Privateer

Control 500 supply of Pirate ships.

Ultra Rare2.1%

Fear of Icebergs

Win a match without using capital ships.

Ultra Rare2.1%

An Ancient Enemy Returns

Defeat a Vasari Alliance or Exodus Opponent as Eidolon.

Ultra Rare2.2%

Go Big or Go Home

Win a match only building capital ships.

Ultra Rare2.4%

There Can Be Only One

Kill off 5 different minor factions on the same map.

Ultra Rare2.6%

Harbinger Foothold

Win as the Eidolon.

Ultra Rare2.9%

Spin A-Round, Round, Round, Round…

Shift the orbital structures in your empire on 10 different planets in a single game.

Ultra Rare3.5%

Breaching The Unbreachable

Kill the Pranast United.

Ultra Rare4.2%

Never Gamble With a Telepath.

Buy 100,000 crystal.

Ultra Rare4.2%

Get Off My Lawn

Kill off the Viturak Cabal.

Ultra Rare4.3%

Enough... Is Never Enough

Sell 100,000 crystal.

Ultra Rare4.4%

All Expeditions Must End

Kill off the Jiskun Force.

Ultra Rare4.6%

Fiat Never Works Out... Right?

Buy 100,000 metal.

Ultra Rare4.7%

Resistance is Futil... Yes, Maam.

Mind control an enemy planet.

Very Rare5.1%

Greed Is Good

Sell 100,000 metal.

Very Rare5.4%

Strength of Our Predecessors.

Equip 3 ship artifacts at one time on the same ship.

Very Rare5.9%

Unity Be My Guide

Spend 20+ Unity Points in a single game.

Very Rare7.3%

Your Cooperation is Appreciated

Win as the Vasari Alliance.

Very Rare7.7%

Death is Not the End

Win as the Advent Reborn.

Very Rare7.8%

Wrathful

Win as the Advent Wrath.

Very Rare8.0%

Space Ponies?!

They’re pink, in space and they own us all.

Very Rare8.5%

Admiral

Play for 100+ hours.

Very Rare8.7%

The Empire Prevails

Win as the Vasari Exodus.

Very Rare9.6%

High Bidder

Win 10 Auctions in a single game.

Very Rare10.0%

Raider

Raid 25,000 resources with Vasari raider corvettes.

Very Rare10.3%

And Who's Stopping Us?

Get a titan to level 10.

Very Rare10.9%

Experienced Crewmen

Get one of each capital ship class for your faction to level 10 at the same time.

Very Rare10.9%

Peacemaker

Max out reputation levels with 5 minor factions on the same map.

Very Rare11.2%

Captain

Play for 75 hours.

Very Rare11.4%

Resonant

Invest 10+ Phase Resonance points in a single game.

Very Rare11.8%

Tutorial Master

Complete all the tutorials.

Very Rare12.1%

A Doomed Dynasty

Kill off the Aluxian Resurgence on a single map.

Very Rare14.6%

Best Offense…

Win as the TEC Primacy.

Very Rare15.0%

Pirate Hunter

Kill off the pirates in a match.

Rare15.5%

Commander

Play for 50 hours.

Rare15.8%

Adept Administrator

20+ planets with maxed out planet tracks (after all research upgrades).

Rare16.3%

Best Defense…

Win as the TEC Enclave.

Rare16.8%

Friend of the Aluxi

Max out reputation level with the Aluxian Resurgence.

Rare18.3%

Exotic Salesman

Sell an exotic resource.

Rare19.1%

Diplomat

Win a game with an ally.

Rare19.2%

All-Knowing

Complete all research subjects in a single game.

Rare19.3%

Starbase Recycler

Destroy at least 10 enemy starbases in a single game.

Rare20.0%

We Are Here To Stay

Max out reputation level with the Viturak Cabal.

Rare20.7%

Elite Status

Have a level 10 capital ship or titan.

Rare22.3%

Lieutenant

Play for 30 hours.

Rare22.3%

Talk Like A Pirate

Max out reputation level with the Pirates.

Rare22.5%

Letter of Marque

Kill 100 pirate ships.

Rare23.4%

Ally of the Jiskun

Max out reputation level with the Jiskun Force.

Rare23.6%

Our Survival Is Assured

Max out reputation level with the Pranast United.

Rare24.8%

Influential

Spend 10 Influence points in a single action.

Rare25.5%

Starbase Builder

Have at least 10 starbases in a single game.

Rare26.8%

Trade Meister

Have 15 or more Trade Ports in a single game.

Rare27.4%

Planet Killer

Bomb 10 planets into submission in a single game.

Rare27.6%

Capital Victory

Win a Capital Victory.

Rare27.6%

Armada

Use maximum fleet supply in a single game.

Rare27.7%

Interstellar Traveler

Travel to another star system.

Rare29.6%

All Paths Traveled…

Travel through a wormhole.

Rare30.0%

Dominant

Have cultural dominance over 15+ planets.

Uncommon31.5%

Flight Master

Own at least 100 squadrons at once.

Uncommon32.8%

Ship Enhancer

Build 20+ ship items in a game.

Uncommon33.7%

Never Fall

Fully construct a titan.

Uncommon35.5%

Ensign

Play for 10 hours.

Uncommon36.8%

Expert Governor

Build 12+ Planet Items in a single game.

Uncommon38.5%