Requires a base copy of Nucleum for play.

As the world embraces the energy revolution, governments are seeking new ways to harness nuclear power, including for military advancements. In a historic collaboration, the United Kingdom, Portugal, Spain, and Morocco have launched a joint initiative to develop the first nucleum powered submarine. Gibraltar has been chosen as the heart of this ambitious project, attracting visionary entrepreneurs eager to make their mark across the Strait of Gibraltar and to supply the needed infrastructure. Seize this opportunity to generate the nuclear energy needed for the submarine while pioneering groundbreaking structures in Morocco and the Iberian Peninsula. Build innovative, never-before-seen structures, meet the military’s demands, drive industrial progress, and etch your name into history!

The expansion takes players to a brand new setting. Along come also new Urban Buildings, Contracts and Technologies. Connect to Gibraltar to fulfill Military Contracts to access exclusive military technologies in addition to the eight standard technologies from the Experiment board.