http://www.concerthotels.com/got-rhythm

got_rhythm_cheat.js

var interval = 500.5,
  container = $('#container'),
  score = $('#score'),
  lastScore = 0,
  addend = -1,
  clickCount = 0,
  clickLimit = 40,
  playButton = $('#play'),
  restartButton = $('.restart');

function click() {
  if (clickCount == clickLimit) {
    setTimeout(checkScore, 500);
  } else {
    container.click();
    clickCount++;
    setTimeout(click, interval);
  }
}

function checkScore() {
  newScore = score.text();

  if (newScore < 1000) {
    console.log('Score: ' + newScore + ', interval: ' + interval + ' ms');

    if (newScore < lastScore) {
      addend *= -1;
    }

    interval += addend;
    lastScore = newScore;

    clickCount = 0;
    restartButton.click();
    click();
  } else {
    console.log('Success! Interval is ' + interval + ' ms.');
  }
}

playButton.click();
click();