Physical laws rule the world. Learn more about it in Crayon Physics! You will need to solve dozens of puzzles using only a crayon. You can use it to draw different structures and other things needed to complete the task. But you must know how everything is arranged around in the environment. Start playing and do not get upset when you fail. Experiment and test various strategies until you understand it all. It is a great game to educate players and just have incredible time.