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Sigma Theory: Global Cold War

Sigma Theory: Global Cold War

A Turn-based Strategy game in a futuristic global cold war 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.

Released Nov 21, 2019 Developer Mi-Clos Studio, Goblinz Studio, FibreTigre Publisher Goblinz Publishing, Fractale Platforms Windows · Mac · Linux Political SimSandboxEconomyPoliticsTurn-Based
View on Steam ↗ $17.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

76.4%positive1,347 reviews
Not recommended · 2 found this helpful

“This game is a class study on what NOT TO DO when making a game like this. Step 1: Make recruiting agents an RNG guessing game that results in you being forced to restart a new game over and over unless you don't want that agent or you get lucky and choose the right option. Step…”

— a player, Steam review · 7 hrs played
Not recommended · 0 found this helpful

“Great concept, but poor execution. It's frustrating and there really isn't too much emergent gameplay here. I really wanted to enjoy it.”

— a player, Steam review · 4 hrs played
Not recommended · 0 found this helpful

“Sadly, its not very good. I really wanted it to be, but it just isin't.”

— a player, Steam review · 2 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:53 UTC · history via SteamCharts.

2playing at last check
224-hour peak
307all-time peak
0 50 100 2020 2021 2022 2023 2024 2025 89 avg · Apr 2019

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

38achievements
23.4%median completion
2.4%rarest: Remote working
75.5% of players 71.9% of players 67.0% of players 64.2% of players 58.1% of players 56.3% of players 55.0% of players 48.8% of players 43.0% of players 42.2% of players 41.1% of players 40.9% of players 39.8% of players 39.0% of players 33.2% of players 31.9% of players 29.1% of players 25.7% of players 24.3% of players 23.4% of players 20.5% of players 18.5% of players 18.4% of players 18.0% of players 16.7% of players 14.3% of players 13.5% of players 13.0% of players 12.2% of players 8.6% of players 8.2% of players 6.4% of players 6.3% of players 5.0% of players 3.9% of players 3.8% of players 3.4% of players 2.4% of players 75.5% 0% most earned rarest
Almost everyone has
75.5%Comprehensive Intelligence — Gathered all possible information on a target.
71.9%Diplomat — Successfully concluded a diplomatic agreement.
67.0%Smoking Gun — Discovered a compromising file on a diplomat.
Rarest badges of honor
2.4%Remote working — Completed a game without a single exfiltration.
3.4%Breakup — Your spouse doesn't love you any more.
3.8%Shy — Completed a game without a single diplomatic meeting.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$17.99current · sampled 2026-07-26 08:39 UTC
$17.99lowest since tracking began2026-07-11
US17.99 USD
EU17.99 EUR
UK15.49 GBP
Australia25.95 AUD
Canada20.49 CAD
Japan1,840 JPY
Brazil34.99 BRL
China62.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$6.9 China Japan Canada US Australia EU UK≈$21

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 18, 2022
Sigma Theory is now available on Nintendo Switch, ios and Android

We are very proud to announce that Sigma Theory is now available on Nintendo Switch, ios and Android Prepare yourself! The mission begins now! Google play ios Nintendo

Oct 13, 2022
Sigma Theory 20% off for the Out There: Oceans of Time new update!

For the release of the Redshift update on Out There: Oceans of Time, take advantage of a 20% off discount on Out There Omega Edition, Sigma Theory and Out There: Oceans of Time. And if you take the bu

May 27, 2022
Out There: Oceans of Time is OUT NOW!

It's finally here! Out There: Oceans of Time has launched and you can commence your journey in T-Minus 3...2...1… We thank everyone for their patience and support on getting Out There: Oceans of Time,

Jan 26, 2021
Snowtopia Early Access is out now! ❄️

Hi everyone, Goblinz Studio is releasing a new game with developer TeaForTwo. https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/33025551/48edf8156d3991ac6ab5ecc7957b1243fb295c3

Jan 14, 2021
We are participating in The Big Adventure Event!

Meet us Saturday January 23rd with 💀 Out There Omega - 12pm https://store.steampowered.com/app/334420/Out_There__Edition/ 🎲 Silmaris: Dice Kingdom - 1pm https://store.steampowered.com/app/1293120/Silm

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresSimulation, Strategy
Player tagsPolitical Sim · Sandbox · Economy · Politics · Turn-Based · Management · War · Turn-Based Strategy · Difficult · Grand Strategy · Strategy · 3D (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Workshop · Steam Cloud · Steam Leaderboards · Family Sharing
LanguagesEnglish * , French, German, Russian, Simplified Chinese *
Achievements38
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttp://www.sigmatheorygame.com
Minimum system requirements (PC)

Minimum: OS *: Windows Vista Processor: 1,3 GHz CPU Memory: 1 GB RAM Graphics: NVIDIA GT 440 or AMD Radeon HD 5550 w/ 512 MB Storage: 1 GB available space