If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Go green—blast these nasty elementals with a helping hand from Mother Nature!
Restore balance to the natural order and strategically protect the Mother Tree from waves of attacks by unbalanced nature spirits. Upgrade your tree defenders during plant mode and use spells to bolster your defenses. Survive long enough and you'll unlock some amazing bonus levels...