From Press Release:
Sigma Theory: Global Cold War, the critically acclaimed turn-based espionage simulator set in a futuristic global cold war, will be updated on Steam with a new DLC containing Nigeria as a new playable country for $2.99/€2.49€/£2.09 on February 19. The game is available for PC, Mac and Linux for $17.99/€17.99/£15.49.
From the creators of the award-winning sci-fi game Out There, Sigma Theory: Global Cold War is a strategy game in which you command a group of elite covert agents who will try to benefit their nation from a new scientific power able to destroy the global financial system, wipe out entire countries or even gain access to immortality.
The new DLC for Sigma Theory: Global Cold War contains Nigeria as a new playable country, featuring 4 new agents –Warrior, Peace, Pure and Dealer–, 2 new scientists, and a new diplomat. Additionally, it includes new buildings for exfiltrations taking place in Nigeria.
Sigma Theory: Global Cold War features more than 50 unique unlockable characters to select from and over 100 NPC’s who will have to be seduced, interrogated, bribed or annihilated. Many resources will be at your disposal such as advanced tactical drones and your own skills in diplomacy and subterfuge.