Title How to play rugby. In rugby you can pass back Title rugby rules.You can pass to the side you can run with the ball and go forward and kick the ball forward. But you can’t pass forward. In rugby there is 15 players on the field and 8 forwards 7 backs the game is 80 minutes half’s are 40.Touching the ball on the opponents side.Rugby is a hard game and you will always get hurt in rugby.