Clear
two veteran levels and ??? and push the joypad left as if you were
trying to select a different battlefield. The highlight will disappear
and then you press A or B you will play on one of the two player levels.
During
the cannon stage, if you click five times on a place where the
cannon can't be built, you'll go on ahead to the firing stage. One strategy
is to place the cannon over a boat you plan to target and click five times,
so that when you start the firing stage the crosshairs will already be over
the boat
Clear old castle wall remnants by shooting them during the cannon
stage.