Along with the new plants, power tiles represent the most significant change in how Plants vs. Zombies 2 plays. Certain tiles on a map are highlighted with shapes.

New things are always nice and those with Plants vs. Zombies 2 can update their app to gain the Keysplosion addition. This will allow all worlds in the game to be automatically unlocked for free.

Plants vs. Zombies 2 is a must-download, with new plants, new ways to play, new challenges, and a freemium model that doesn't get in your way.