The goal needs to be _not_ pushing the button. You leave the app open, it makes light and noise. High score the longer you leave the app running _without_ pushing the button
Narrator: How can he possibly resist the maddening urge to erradicate history at the mere push of a single button? The beautiful, shiny button? The jolly, candy-like button? Will he hold out, folks? Can he hold out?Also looks like it's still available here: http://www.rrrrthats5rs.com/games/dont-shoot-the-puppy/
But of course the trick is to get the right 500 people telling their friends about the game, and, well, who has the time and money to bother with figuring that out?