When Elsa von Frühlingfeld presented her invention to King Frederick Augustus II of Saxony, people thought it was a hoax. She used the recently isolated element Uranium to heat a glass of water and used the resulting steam to power a motor that kept the Uranium active through a process she called "atomization." Her device, Nucleum, ushered in a new era of energy and prosperity in the coming decades. Saxony went from being a minor regional power to the hub of European science and engineering. Now, a generation later, factories are still hungry for more power and demand that larger and more Nucleums be built, more Uranium imported from the nearby land of Bohemia, and railways and power lines constructed across the country to carry the atoms' tamed power to Saxony's great cities. Inventors, engineers, and industrialists flock to the Saxon court, vying to become leaders in this new industrial revolution.
Nucleum is a heavy euro-style board game where players take on the roles of industrial leaders trying to succeed during the economic and technological boom of the 19th century in Saxony, driven by the invention and spread of Nucleum (a nuclear reactor).
Players earn points by developing their networks, building and operating buildings in the cities, securing contracts, and fulfilling milestones (randomly chosen end goals). Each player also receives unique asymmetric technologies that grant them special abilities when unlocked. Gameplay is continuous; players take turns one after another without rounds or phases.
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