Click the green flag. The witch will tell you what her controls are. Shoot fireballs at the bats, griffins, dragons, and ghosts. The bats flap in to catch you. The griffins fly in VERY fast. Be careful! Dragons spiral in gradually. Ghosts float in slowly. They fade away when hit. Every time you hit an enemy you get a point. There is a high score. Try to beat it! You have 3 lives. There is a extra-life hippo. If it touches you, you get another life. Don't fireball it! If you do, you lose a point. The game gets faster and faster the longer you play. Try to stay alive!
The code is from the book, Coding Games in Scratch by Jon Woodcock.