If your a girl, you add 1 to the number before you. If your a boy, you subtract 1 from the number before you. Example: Start: 100 Boy: 99 Boy: 98 Girl: 99 Boy:98 Girl:99 Girl: 100 Girl- 51 Get it? We start at 100, and if Boys reach 0, they win! If girls reach 200, they win!