Off in the corner the little yellow Pac-Man made a very similar sound, a squeal of protest as the blue cops finally caught him. Jim knew the sound well. Jim was a Pac-Man player of supreme ability, having invested thousands of quarters in dozens of grimy truck stops and arcades. The trick was to learn the cops’ pattern, and then not get too greedy, just pick off enough dots to keep truckin’, till you clean out the frame, and move on.