Your mission in this game is to defend your castle and attack your opponent's castle at the same time. Everytime you hit an enemy unit, you gain gold which you can spend on your own troops, building defenses and catapults, or upgrading your hero. Use "W", "A", "S", "D" KEYS to look around the surrounding area. Use 1-9 NUMBER KEYS to select the weapon. Hold LEFT MOUSE BUTTON and drag YOUR MOUSE to set the angle and power, release LMB to fire. Click on the middle panel to buy upgrades or Troops. Good luck!