"Destroy Tokyo Tower" is a campaign sourcebook for "Super Giant Monster Showdown". It includes 25 different scenarios with maps showing city card layouts for each, a handful of unique new Defense Units and 25 new Event cards. Scenarios include "The Great Monster Egg War" where a giant egg falls from space and will eventually grow into a baby monster, and "Terror at the North Pole" where the monsters play as 2 teams - the Ice monsters goal is to change the entire map into a glacier, the other team's goal is to melt all the ice on the map.