The the arrow keys move the view. Use the mouse to select and build troops. Follow the in game instructions for how to use the special power ups.
Pick a side, setup your troops, and fight against your mortal enemy! March from your castle to the enemy castle claiming ground in between. Destroy the enemy castle as soon as you can. Use really cool upgrades, air strikes, and many more deadly weapons to destroy the enemy. What side are you on, the boys or the girls?