Whack a Cat Game
Move the hammer with the mouse and press space to hit. Whack as many cats as possible before time runs out!
(Please do not hit cats with hammers in real life. Or with anything else.)
See how this program is made at http://inventwithscratch.com/whack-a-cat-game/
Learn to program games with this free online Scratch course: https://inventwithscratch.com/class