text: function sceneLevel1() {
    __game.clearUi()
    __game.buildMap([
      [0, 0, 0, 0, 0, 0],
      [0, 0, 0, 0, 0, 0],
      [0, 0, 0, 0, 0, 0],
      [0, 0, 0, 0, 0, 0],
      [2, 0, 0, 0, 0, 0],
      [0, 0, 0, 0, 0, 0],
    ])
    __game.buildPlayer({ x: 4, y: 1, state: 'idle' })
  
    if (sessionStorage.__state === 'start') {
      swal({
        title: 'Pro Tips!',
        html: 'You can give a number inside a bracket as how many steps you need, eg. <b>left(4)</b>.',
        type: 'info'
      }).then(function() {
        __game.play()
      })
    }
  }
  