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Sigma Theory: Global Cold War Steam Key

Sigma Theory: Global Cold War

Turn-based futuristic global cold war simulation from the award-winning creators of Out There. Recruit a squad of special agents and run your intel agency to secure the control of the singularity.

Windows PCApple MacLinux  Arcade & Indie / Strategy
$17.99 -40% $10.79 To the Shop-Page

38 Steam Achievements

Recruiter of the Month
Recruiter of the Month

Recruited 4 agents without a single refusal.

Comprehensive Intelligence
Comprehensive Intelligence

Gathered all possible information on a target.

Smoking Gun
Smoking Gun

Discovered a compromising file on a diplomat.

Diplomat
Diplomat

Successfully concluded a diplomatic agreement.

Mission Successful
Mission Successful

Completed your first exfiltration.

Sneaky
Sneaky

Mission Impossible
Mission Impossible

Completed an exfiltration at maximum alert.

Air Support
Air Support

You were assisted by a combat drone in an exfiltration.

International Cooperation
International Cooperation

Your combat drone supported another nation's military.

Killed in Action
Killed in Action

One of your agents was killed.

On the Edge
On the Edge

You are about to instigate a global nuclear war.

A Promising Team
A Promising Team

Have 4 scientists in your research team.

Cream of the Crop
Cream of the Crop

Have 7 scientists in your research team.

Necessary Sacrifices
Necessary Sacrifices

Caused 5 or more civilian casualties in an exfiltration.

Oops
Oops

Your combat drone's missile hit a building.

Mastery of the Mind
Mastery of the Mind

Discovered the 5th technology in Neurosciences.

Mastery of the Body
Mastery of the Body

Discovered the 5th technology in Health.

Financial Wizardry
Financial Wizardry

Discovered the 5th technology in Finance.

Roboticist
Roboticist

Discovered the 5th technology in Robotics.

Lord of Space
Lord of Space

Discovered the 5th technology in Astrophysics.

Checkpoint Charlie
Checkpoint Charlie

Exchanged one prisoner for another.

Breakup
Breakup

Your spouse doesn't love you any more.

Rodeo
Rodeo

Found a vehicle during an exfiltration.

L33t Haxxor
L33t Haxxor

Stole data from an information system.

Blackmailer
Blackmailer

Negotiated a ransomware key during a diplomatic summit.

Cleared
Cleared

Lifted an arrest warrant following a hack.

Subservient
Subservient

Gave 4 projects to the same lobby.

Couple of the year
Couple of the year

Your love is like no other.

Never apart
Never apart

You freed your spouse from detention.

Top moles
Top moles

Have 3 active double agents

Transcendance
Transcendance

Ouroboros
Ouroboros

Judge and architect
Judge and architect

Election plans
Election plans

Loyal to the president
Loyal to the president

Remote working
Remote working

Completed a game without a single exfiltration.

Shy
Shy

Completed a game without a single diplomatic meeting.

VIP squad
VIP squad

  • Single-Player
  • Steam Achievements
  • Steam Workshop
  • Steam Cloud
  • Steam Leaderboards
We take you straight to the front lines of Cold War

We take you straight to the
front lines of Cold War