ACHIEVEMENT - HOW TO UNLOCK Fly Swatter - Destroy 3 Flypods within 5 seconds on any level of Insect Infestation. Pod Oppressor - Destroy 10 mutated pods in any one level of training grounds. Sneeky Incursion - Destroy the Boss without opening more than one outer door. Only 1 of the 3 outer doors may be opened to any degree. Spidery Point - Destroy the Spider Boss on Arachnophobia, without destroying any of its mini guns. Tank Oppressor - Destroy 20 tanks in sequence. Tank Sympathizer - Destroy both generators on Claustrophobia without killing a Tank. Wheel Collector - Complete level Fizz Wheels without killing a Fizz Wheel, ( the rolling wheels connected by a laser ). Worm Tangle - Destroy 3 Worms in sequence on The Ooze.