How skilled are you in throwing and how well do you know physics? You can try it in the Hand Aimer game. Throw a ball by using a mechanical hand, that rotates. Calculate angle in which you want to throw the ball to hit the target. The game works with real physics, so you can´t cheat it. Hit as many targets as possible. The game is fun and addictive. You can change the direction of the mechanical hand with the right mouse button. Throw, throw and throw again. How many targets did you hit? Have fun.