Sigma Theory
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Description

Check our upcoming games!

https://store.steampowered.com/app/1145290/Out_There_Oceans_of_Time/
https://store.steampowered.com/app/1124260/Snowtopia/

A new country added!

https://store.steampowered.com/app/1313010/Sigma_Theory_Brazil__Additional_Nation/

About the Game

STORY

From the creators of the award-winning sci-fi game Out There…

In the near future, a paradigm-shifting scientific discovery looms over the world, promising radical new technologies. The world’s superpowers realize they could have the power to destroy the global financial system, wipe out entire countries or even gain access to immortality.

However, this discovery — called “The Sigma Theory” — can only be harnessed by a handful of scientists. You are placed at the head of your country’s Sigma division. Your objective is to ensure that it is your nation that reaps the benefits of Sigma Theory before anyone else.

To achieve this you will have powerful resources at your disposal: a cadre of the world’s most elite covert agents, advanced tactical drones and, of course, your own skills in diplomacy and subterfuge.

It’s a cold war out there, one in which mankind must face up to its future.

THE ULTIMATE ESPIONAGE SIMULATION

Turn-based espionage: Use your special agents to dominate the world. Seduction, blackmail, manipulation, industrial espionage… Every low blow is both permitted and encouraged.
Dynamic narrative: Develop and manage your relations with over 100 NPCs: lobbies, armed groups, politicians… Alliance, deception or assassination, you choose.
Field operations: Direct the kidnapping of your targets during gripping pursuits through the world’s greatest cities. Discretion or direct confrontation, your agent’s life is in your hands.


Recruitment
First, recruit a team of four special agents from 50 unique unlockable characters to support your missions. Each comes with their own story, motivations and traits that define their behavior during missions.
Access the investigator, soldier, hacker, seducer and other archetypes to complete your Sigma division and execute your strategy.


Espionage
When your team is ready, assign them missions around the world to gather scientists, discover compromising documents on local politicians, and more.
Exploit your agents’ abilities to seduce, manipulate and bribe your targets over to your side or have them neutralized.


Counter-espionage
Other nations will also use their agents to infiltrate your country and seize your scientists. Track, capture and interrogate them to gain information on your enemies, then exchange them for ransom when they are no longer useful.


Exfiltration
Order your agents to exfiltrate scientists recruited to your cause during gripping turn-based exfiltration phases through the world’s greatest capitals. Choose the position your drones wisely to support these delicate missions.


Diplomacy
In Sigma Theory, diplomacy is the key to achieving your goals. Meet your foreign counterparts and further your objectives using flattery, threats or blackmail. You can also recover your captured agents, advance your research, and much more. Develop your relations with powerful lobbies and armed and influential groups to obtain their favor. But be careful, they may turn on you.


Tech Tree
Sigma Theory is the cause of this cold war. Rally scientists from around the world to your cause to discover new technologies to gain the edge and change the world. Mind control, destabilization of the world economy, robot soldiers, immortality… Will you keep these discoveries for yourself or share them with the world?

Games that inspired us:

XCom, Phantom Doctrine, Plague Inc, Pandemic (board game), Rocket Ranger, Tropico, Armello, Civilization, curious expedition and so much more

Price comparison

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Sigma Theory: Global Cold War EN/DE/FR/RU/ZH Global
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Sigma Theory: Global Cold War Steam CD Key
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Sigma Theory: Global Cold War Steam CD Key
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Sigma Theory: Global Cold War
Global
G2A
Sigma Theory: Global Cold War Steam Key GLOBAL
GlobalSteam Key
Eneba
Sigma Theory
Global
K4G
Sigma Theory: Global Cold War Steam CD Key
GlobalSteam Key
G2Play
Sigma Theory: Global Cold War EU Steam CD Key
GlobalEuropeSteam Key
Kinguin
Sigma Theory: Global Cold War EU Steam CD Key
GlobalEuropeSteam Key
Difmark
Sigma Theory Cold War (PC)
Global
G2A
Sigma Theory: Brazil - Additional Nation (PC) - Steam Key - GLOBAL
GlobalSteam Key
G2A
Sigma Theory: Global Cold War - Nigeria - Additional Nation (PC) - Steam Key - RU/CIS
GlobalNigeriaSteam Key
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Sigma Theory: Global Cold War Complete Edition Steam CD Key
GlobalSteam Key
Kinguin
Sigma Theory: Global Cold War Complete Edition Steam CD Key
GlobalSteam Key
Steam
Sigma Theory
Global
Sigma Theory is available from 0.45 to 17.99 from 8 shops
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How to activate Sigma Theory Key

Sometimes a Steam Digital Code requires an EU IP-Address in order to be activated on Steam. Read the store’s description if it’s only required for activation or if you also need an EU IP-Address in order to play Sigma Theory CD key. If you don’t know how to do this, most stores offer help or a tutorial.

Activate the Steam Digital CD Key Code on the Steam Client. Log in and look at the left bottom corner and click on “Add a Game…” and then on “Activate a product on Steam”. Put in the code for Sigma Theory CD key and have it in your Steam library, ready for download! You can install Steam to activate your Sigma Theory key

Steam Keys are intended as a useful tool for game developers to sell their game in other online stores and retail. Steam Keys can be activated by customers on Steam to license Sigma Theory. Valve offers the same free bandwidth and services to customers who activate a Steam Key as to customers who purchase a license directly on Steam.

Many sellers are wholesalers who buy game keys in bulk directly from the developers and publishers. Because they buy a large number of products at once, they buy them at much lower prices. This in turn allows them to offer their customers attractive discounts.

A Sigma Theory key for the Steam-Client does not expire and after activation Sigma Theory can be downloaded and played forever. This also applies to all other clients.

Often games that are playable on Steam are also available on: Rockstar Games, Epic Games Store, EA, Humble Bundle, Windows 10, Gog.com, Xbox Play Anywhere, Battle.net, UPlay and Amazon. Make sure to check all offers and that you are buying a Helldivers 2 Key for the right Client.

EMEA stands for European and Middle East or Africa, and a several other countries. Read the store’s description to see which countries are allowed to activate the Steam Sigma Theory CD Key, or you can use a VPN (Virtual Private Network).

You receive a gift on your Steam account. You have to accept this Steam gift so Sigma Theory can be added to your Steam library and ready for download. Read the store’s description if there are any region restrictions. A Sigma Theory Steam gift is not a Sigma Theory Steam CD Key.
Best Price
€0.45
Shop now
Gamivo
Sigma Theory: Global Cold War EN/DE/FR/RU/ZH Global
€0.45
G2Play
Sigma Theory: Global Cold War Steam CD Key
€0.66
Kinguin
Sigma Theory: Global Cold War Steam CD Key
€0.66
Eneba
Sigma Theory: Global Cold War
€0.71
G2A
Sigma Theory: Global Cold War Steam Key GLOBAL
€0.90
Eneba
Sigma Theory
€1.05
K4G
Sigma Theory: Global Cold War Steam CD Key
€1.09
G2Play
Sigma Theory: Global Cold War EU Steam CD Key
€1.36
Kinguin
Sigma Theory: Global Cold War EU Steam CD Key
€1.36
Difmark
Sigma Theory Cold War (PC)
€1.66
G2A
Sigma Theory: Brazil - Additional Nation (PC) - Steam Key - GLOBAL
€1.79
G2A
Sigma Theory: Global Cold War - Nigeria - Additional Nation (PC) - Steam Key - RU/CIS
€1.98
G2Play
Sigma Theory: Global Cold War Complete Edition Steam CD Key
€4.99
Kinguin
Sigma Theory: Global Cold War Complete Edition Steam CD Key
€4.99
Steam
Sigma Theory
€17.99

Release date
21 Nov, 2019

Playable on

Developer
Mi-Clos Studio

User preference

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6.67% of clicks
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20.00% of clicks
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20.00% of clicks
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System Requirement

Recommended:

  • OS *: Microsoft® Windows® 7
  • Processor: Dual-core 2Ghz CPU
  • Memory: 2 GB RAM
  • Graphics: DirectX® 10 compliant graphics card
  • Storage: 1 GB available space

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