Robot Attack 

How to play :
1. insert the coin,press the change gun button to start the game.
2. in the game , press the change gun button to change the size of the gun fire.
3. control the joystick , put the gun to the target, press the switch on the rocker and shoot the bullet to kill the target.
4. shooting reaches a certain quantity, can release the big Boss, when the big Boss will be killed, you can get the award.