Plants vs. Zombies 2 (formerly known as Plants vs. Zombies 2: It's About Time) is a 2013 free tower defense video game. The protagonist of the game uses a time machine named Penny to travel to different pseudo-historical settings with their neighbor, Crazy Dave, to find Dave's taco. The protagonist is engaged in a race through time with Dr. Zomboss, the main antagonist of the previous game, who is trying to prevent a paradox