Plants vs. Zombies is an action adventure game developed and published by the author, popCap Games. In the game, the player had to play the role of a plant hero to resist the attack of zombies with other heroes. There were four Plant Heroes to choose from in the game: Sunny Mushroom, Peashooter, Nut Wall, and Frost Archer. The Sunlight Mushroom was a fast-attacking hero that could shoot a large amount of sunlight to provide energy support for other plants. The Peashooter was a long-range hero who could continuously fire peashoots at zombies to deal a lot of damage. Nut Wall was an all-rounded hero that could protect other plants from zombie attacks and block enemy attacks. The Frost Archer was a slow type hero that could shoot Frost Arrows at zombies, slowing them down and causing continuous damage.