Blow away all the other cannons as they are out to do exactly the same to you. Mountains and hills may protect you for a while, but the only way to win is to land an accurate barrage faster than the others The objective of the game is to kill all the other cannons before they get you. A game round ends when only one tank or none remain. Use the 4 and 6 keys to move your aim left and right, 2 and 8 to adjust the firing range. Use 5 to fire. Different shell types can be selected with the key [3]. You can toggle fine-tune modes by pressing [9]. Press [7] to toggle zoom. Note that zooming may not be possible on small maps. Press [1] to enter Free View mode, in which the viewing window does not track the game action. In Free View mode, pressing [2] will toggle between cannon control and view window positioning. Note that the view window will not move unless you move it or leave Free View Mode. Watch the wind speed indicated by the arrow on the upper right. Wind affects shell trajectories. By setting Max Wind to 0 in game options you can disable wind. Setting Wind Change to 0 will ensure constant wind during a game round.