cannon except be usesd to rumble enemies,and can be used to place landmine,make a fire wall stop enemy or throw out a soldire to pick up supply and blast enemys heavy weapon
You can own 4 types of weapons in this game: cannon, human-cannon, laser gun, missile launcher. The cannon can fire 4 types of different shells. Except human-cannon, logistical troops can replenish supplies for other weapons and fortress, but you have to equipped human-cannon for fortress, because you need soldiers to pick up those goods. Although logistical troops can't supply soldires for you, but soldires can run back after they be sent out. Of course you need keep safety of them.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.