When Elsa von Frühlingfeld used recently discovered uranium to heat water in a jar and produce steam to power an engine in a process she called "atomization", a new era of Energy began. Thanks to its device, the Nucleum, Saxony became the center of European science and engineering. A generation later, inventors, engineers and industrialists flock to the Saxon court, competing for the leadership of this new industrial revolution: will you be able to be the leader? Nucleum is a game for tile placement and net building experts, which forces players to continuously adjust their strategy throughout the game.