The Battle of Doom

The Battle of Doom is a story found in Penny's Trunk, once bought you can click on it to read it, it tells the big zombie war.

Story
One sudden day, a day with a huge war game, many plants got infected, turning into Zombotany Zombies. The war went on for days, then a Strange Wizard Zombie casted a spell on the ground, making a tornado, changing the plants. As Threepeater hit something, they turned into lightning peashooters. Other plants died. Most plants turned into something, they became known as the Magic Agency.