Let's try to make some games. If you don't like this, try another one.
When the cat is pressed, have it move away from the mouse. Try to make its moves somewhat unpredictable.
Have basketballs appear and then disappear at random places on the screen. It the basketball is clicked make a sound.
After 10 clicks change the basketball to a beachball.
Have a monkey get bigger whenever it is fed a banananananana.