-----------------------------------------------------------------press the green flag to start. TO BUY SOMETHING IN THE SHOP YOU HAVE TO WAIT UNTIL THERE ARE NO MORE ENIMIES ON THE FIELD. click the towers to buy ---------------------------------------------------------------- towers blue tower/pistol tower: cheap, doesn't do lots of damage Red tower/bomb tower: big bullets that are good for big waves Green tower/machine gun tower: shoots super fast in all directions, good for waves with stronger enemies Gold tower/super tower, good for neutralizing strong opponents.