Do a little bit of exercise in a bench press. Start with a little bit of weight and then add some more. Press quickly the 1 and 2 keys to force with your left arm and 9 and 0 for the right arm.
Climb up the walls from the cliff. Use the hook to swing and reach the unachievable places. Move with the arrow keys or with W,A,S,D. Use the mouse to point and shoot your hook.