-About the game-

・This game is a game where you operate a cannon to shoot down incoming missiles.
・If the missile hits the ground, it's game over, so shoot it down before it hits the ground.
・The game is cleared when you shoot down all the incoming missiles. You can check the number of remaining missiles from the upper right window.
・In addition, there is a barricade in front of the ground, and the barricade will prevent missiles, but it has durability.

-About operation-

・Press and hold the screen for a long time
A cannon will point in that direction.
・As you can see the red guideline when operating the firing direction, you can adjust the firing direction. .
・While pressing and holding the screen, release your finger from the screen toward the direction you want to fire.
・If you fire a bullet, there will be a cooldown time before it can be fired again, so you cannot fire bullets continuously.

-About difficulty-

・Before starting the game, it is necessary to select a difficulty level. There are five types of difficulty levels.
　
・EASY
・NORMAL
・HARD
・VERY HARD
・EXTREME

・The speed and amount of missiles will change according to the selected difficulty level.

-About points-

・You can get one point when you clear the game.
・Points can be used in the enhancement items on the title screen.

-About strengthening-

・Each item can be strengthened using the points obtained when clearing the game.
・By enhancing the expansion of the bullet, the size of the bullet will increase and it will be easier to hit the missile.
・By increasing the bullet speed, the bullet speed will be faster when fired and the cooldown time before re-firing will be shortened.
・By strengthening the barricade, the durability of the barricade will increase and the number of times it will block missiles will increase.