Doctor Trickle is a cool puzzle game where your job is to help Doctor Trickle to save the World. One of Doctor Trickles experiments failed and created little creatures spreading more and more all over the world. Now you must step in and stop them before they overwhelm the whole planet. Combine 4 or more Trickles to destroy them. The more you combine the more points you will get. Use your keyboard LEFT and RIGHT ARROW KEYS to adjust the position, press UP ARROW KEY to rotate Trickles and use DOWN ARROW KEY to drop the Trickles down.