Sign Up / Log In
View All Steam Achievement Lists
Language (steam Default)
Secret Achievements (Show)
Sigma Theory Achievements
Recruiter of the Month
Recruited 4 agents without a single refusal.
Gathered all possible information on a target.
Discovered a compromising file on a diplomat.
Successfully concluded a diplomatic agreement.
Completed your first exfiltration.
Completed an exfiltration without being detected.
Completed an exfiltration at maximum alert.
You were assisted by a combat drone in an exfiltration.
Your combat drone supported another nation's military.
Killed in Action
One of your agents was killed.
On the Edge
You are about to instigate a global nuclear war.
A Promising Team
Have 4 scientists in your research team.
Cream of the Crop
Have 7 scientists in your research team.
Caused 5 or more civilian casualties in an exfiltration.
Your combat drone's missile hit a building.
Mastery of the Mind
Discovered the 5th technology in Neurosciences.
Mastery of the Body
Discovered the 5th technology in Health.
Discovered the 5th technology in Finance.
Discovered the 5th technology in Robotics.
Lord of Space
Discovered the 5th technology in Astrophysics.
Exchanged one prisoner for another.
Your spouse doesn't love you any more.
Found a vehicle during an exfiltration.
Stole data from an information system.
Negotiated a ransomware key during a diplomatic summit.
Lifted an arrest warrant following a hack.
Gave 4 projects to the same lobby.
Couple of the year
Your love is like no other.
You freed your spouse from detention.
Have 3 active double agents
You guided humanity towards the light.
You are condemned to repeat your mistakes.
Judge and architect
You abandoned humanity in your quest for ultimate power.
Completed the United States scenario by allying with the Council of States.
Loyal to the president
Completed the United States scenario by staying loyal to your leaders.
Completed a game without a single exfiltration.
Completed a game without a single diplomatic meeting.
Your team has at least two elite agents.