Play through a series of missions, commanding units to march towards and attack enemy headquarters, while defending your own headquarters. There seven different units and five different orders you can give your troops. Use the LEFT and RIGHT ARROW keys to selection option and SPACE BAR to create the selected unit. Use the UP and DOWN ARROW keys to select the lane used by the next unit. Use the SHIFT key to show the life bar. Alternatively, use the MOUSE and LEFT MOUSE BUTTON to select units and lanes.