This page has been saved as historical information from Rising.
Booster is an option to increase the Strength.
Boosters were first implemented in Rising and citizen used the boosters to increase the amount of happiness received, increasing the amount of learning, and improving the working skill and military skill capabilities. After residential district and library were removed, boosters are used only on the training grounds and while working. After the changes made on Day 1269 the work booster was removed.