Sigma Theory: Global Cold War gets a new playable nation

A fresh DLC for the strategy simulation game from Mi-Clos Studio has just been released. Nigeria - Additional Nation is now available DRM-free on GOG.COM. As the title implies, this African country is the new contender in this struggle for world domination.
Until 21st February 2020, 6 PM UTC, you can buy both Sigma Theory: Global Cold War and Nigeria - Additional Nation on GOG.COM with a 35% discount.