Challenge Health bar 1) W,A,S,D: Moves cat 2) Space key: removes health 3) Health Bar should follow the cat. Extras 1) Add an enemy sprite that damages the cat. 2) Add a heart sprite to pick up that gives the player health 3) Add a treasure sprite that give the player gold. 4) Turn it into a game. 5) Get creative and cold your own ideas. 3)