http://malleor.github.io/2048/

play2048.js

function play(iteration) {
  var ctrl = {
    up: function() { window.gm.inputManager.emit('move', 0); return window.gm.moved; },
    right: function() { window.gm.inputManager.emit('move', 1); return window.gm.moved; },
    down: function() { window.gm.inputManager.emit('move', 2); return window.gm.moved; },
    left: function() { window.gm.inputManager.emit('move', 3); return window.gm.moved; }
  };
  
  while(!window.gm.over && !window.gm.won) {
    if(!iteration(ctrl)) {
      break;
    }
  }
}
 
function start() {
  window.gm.restart();
}

window.gm = new GameManager(4, KeyboardInputManager, HTMLActuator, LocalScoreManager);

stick_to_top.js

play(function(ctrl) {
  return ctrl.up() || ctrl.left() || ctrl.up() || ctrl.right();
});