Pacman Trouble

How do i shoot only one bullet at a time, they all follow the mouse how to make them go strait in the direction of the mouse but not follow it?
Also im making a Pacman kind of game. as you have seen in the real Pacman when you pick up all the items you automatically progress to the next level how do i do that in my game??
I NEED HELP

Also im making a Pacman kind of game. as you have seen in the real Pacman when you pick up all the items you automatically progress to the next level how do i do that in my game??
I NEED HELP

