Help Bullet Bill break into blocks as you fly fast through the air. Dodge holes and other terrible obstacles while flying. Crush coins for supporting catalysts into blocks as you fly through four unique universes. Try to pay as much as possible so you can get a high score. Use your money to open new characters for more fun. Projectile Bill is a side-movement obstacle game created in the Mario universe. Start as a shot, known as the Bullet Bill, and translate it through various levels of Mario to bring in money and open up additional characters.