Each tank has ten steps to move - click on the arrows at the top of the board. You can change the position of the tank's cannon - press the left/right arrow keys to lift/bend. The color line in the top right corner shows the effectiveness of each shot. - This is the ordinary weapon - This is the triple load of ordinary bullets - This is the single load that bursts into eight bullets when exploding above the enemy - This bullet flies above the ground and explodes near the enemy - This bullet flies rebounding from the ground and stops near the enemy. Useful Note: Some of the bullets can have defects - they can explode far from the enemy or even fall short.