1. There are no ads or in-app purchases that interfere with the game.
2. If you play the game alone, your opponent is the programmer, and you compete against him to determine the winner or loser.
3. If two people play the game, each person becomes the opponent and competes.
4. The touch controls used in the game use buttons to move the cannon forward, backward, left and right, and to fire cannonballs.
5. As for the movement of the cannon, if you change the touch position to the left or right based on the cannon, the cannon will move left and right, and if you move the touch position back and forth, the cannon will move back and forth. The aiming cross (+) mark that aims at the target moves in accordance with the movement of this cannon.
6. When the aiming cross is placed on the target, the target becomes bright and when you press the fire button to fire a shell, the target blinks slightly.
7. If your aim is good and the target is destroyed, it will be reflected in your score, and you will win if this score reaches the score set before the game starts.