Use space at the start to jump and then grab at the peak of the jump with space. Then use the arrow keys to move side to side, jump and duck Last as long as you can! Use ground 3 for best performance.
This is for a school project that shows that migrants coming from Central America to the U.S. had to ride on top of trains and this was very hard. Also based on the book, Enrique's Journey Credits: All me except for sound. That came from soundjay.com