Everyone is welcome to add his knowledge! Fandom Apps Take your favorite fandoms with you and never miss a beat. Battle rating is a number assigned to every aircraft, ground unit, and naval vessel in the game that correlates with their effectiveness in combat. Like Apocalymon, its governing principle is the extermination of all life. In Chapter 21 of the manga, the main characters and other school students become hooked on virtual pets, which are modeled after Tamagotchi. Community content is available under CC-BY-SA unless otherwise noted. This wiki also has a fanon wiki, for those who want to put their fan-made episodes, characters, polls, ect. Zombies 3 (abbreviated as PvZ3) is a tower defense game released by PopCap Games. It contains 166 articles about Polytopia's game mechanics and community and has a Discussions forum.