Build the base! Open access to new towers! Defend against enemies! In this futuristic advanced tower defence game you have to stop dozens of incoming enemies before they reach your main base. Use the menu on your right to purchase new defenses. Use your mouse cursor to select, place, upgrade and repair your units. How to Play: How to Play:Click and hold your left mouse button inside the box above the catapult. Time your release well. As soon as you release the weight watch the ragdoll fly.