Cannon Ball

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You can only shoot 1 blow to the second.

Movements:

To rotate the cannon or vary its tilt in height, you can use:

The arrows of the keyboard
The left analogue of the Joypad
Drag the finger on the screen.

To shoot it can be used:

The space bar on the keyboard.
The Fire 1 button on the Joystick
One of the two red keys placed on the sides of the screen


Score:

A point for each affected ship.
If at least 5 ships are sinking per round: the round of the round doubles. (2 points each affected ship)
If at least 7 ships are sinking to rounds: the round of the round triple. (3 points each affected ship)
If all 10 ships in the round are sinking: the round of the round becomes 40.

End of the game:

You have 2 lives every game.
If you take less than 9 ships by the hand: you lose a lifetime.
At the end of the lives the game ends.