Get your tornado as big as you can, smash everything in sight and destroy the whole city before the time runs out. You must press "1" NUMBER KEY in the welcome screen to get to the menu. In the game use "W", "A", "S", "D" KEYS or the ARROW KEYS to direct tornado. Smash ENTER KEY rapidly to expand tornado. If you destroy cars, trees or tee-pees, there is a chance you will get time bonus. Destroy police car to speed up your tornado. If you manage to destroy the whole city within given time limit you will get to the next level, where you must destroy even bigger city. Good luck!