The human race is facing hard times. A powerful fleet of extraterrestrial invaders has shown on our horizon. They are attracted by a precious resource that is absent on their own planet – wood. They want to take hold of earth and get all the trees for themselves. Don’t let their plans come true! Go to the forest and make an ambush for the wicked enemies. Choose from a great number of weapons and see which one is more effective against the alien form of life. Make sure our planet remains green and keeps flourishing!