Irreparable damage

Moles on the kitchen garden planted sweet carrots and now it carefully guard against attacks by hungry monsters. Help the blind moles, to strengthen the protection of their tenure, located on the perimeter ranged cactus-guns and guns unpretentious star. At each stage of the attack monsters become more powerful and enduring than in previous times. So do not get lost and take the initiative to protect the garden into their hands. Aptly fire back insects, to prevent the disappearance of a carrot and not disappoint moles.