The kingdom is under the attack of huge devastating giants and relentless waves of enemies. Build towers to defend against the attacks and drop boulders on the enemies or burn the hay on their path. Each tower has its own strengths and weaknesses. They also cost gold. You earn gold by taking out your enemies. Command your troops and cast powerful spells to destroy the invaders and lead your people to victory. Use your mouse to scroll the view, place mouse cursor at the edges of the screen. Click the mini map to move the view around. Double click on your hero’s portrait to center the screen on hero. Use W, A, S, and D or your arrows for screen scrolling. Hit 1, 2, and 3 to activate spells. Hit 4 for hero selection and move command. Hit 5 to activate hero’s ability. Hit E to start a new wave. Hit Escape to cancel move command, target selection, or spells.