In the laboratory of Dexter was present emergency, its experimental monsters escaped and began to attack him. But there is always a smart doctor means of protection against insects. Construct a tower defense that they did not get to Dexter. Build towers in the game Dexter's Laboratory: Scientific PP very well, otherwise break through the enemy defenses, and you can not do anything. Each of guns will shoot certain projectiles use a combination of guns, to act more effectively than the one or more of the same, just improve them with the accumulation of resources.