World's Most Overdue Burial and World's Largest Redwood is a questline released on February 17, 2016. World's Most Overdue Burial introduces the World's Largest Redwood decoration, and World's Largest Redwood unlocks upgrades for the World's Largest Redwood, and rewards Treehugger Lisa at the end. People of Springfiled can collect Fertilizer to upgrage the Redwood, usually at a speed of 10 Fertilizier in 3 hours per each character. Collecting of Fertilizer costs various amounts of in-game cash, but players can speed up the process with Donuts as well.