Begin by dragging an archer to purchase an archer and place him somewhere on the grass. When you gain enough money you may purchase additional towers. Currently there is a max limit of 5 archers, 3 goblins, and 3 wizards. You can now upgrade the archers by clicking on them. Available upgrades are to speed and damage. With each wave/level you complete the monsters increase in hp. Tower position can make a huge difference. TIP: To succeed at this game you need to be quick and build new towers the moment you get enough money.
