Exceptional Stickman

You are a stickman with a bag of balls, a princess locked in a cage behind you, and a dragon at the far end of the field that would very much like to get past you and capture her. Left thumb moves. Swipe on the right to throw. The whole thing is drawn in pencil on paper. THE DRAGON REARS UP AS IT PREPARES TO FIRE It rears up first. A shaded cone shows exactly where the fire is going to land. When it glows, the aim has locked and stopped following you. That is your window. Step out of the cone or burn. MATH THAT IS ACTUALLY PART OF THE FIGHT Questions flash up mid-battle. Some are plain arithmetic on a five second clock. The good ones are patterns: four worked examples, one hidden rule, and a written equation that is lying to you. "3 + 5" might really mean 3 x 6. Work out the rule, answer it, and for the next few seconds every throw is a volley and every spike block you set down is a…