API Level Metal Math

api-lvl.js

[
  {
    internalLabel: 'easy',
    label: '😸 easy',
    maxNumber: 3,
    operators: [
      { label: '+', },
      { label: '-', }
    ]
  },
  {
    internalLabel: 'normal',
    label: '🧠 normal',
    maxNumber: 5,
    operators: [
      { label: '+', },
      { label: '-', },
      { label: 'x', }
    ]
  },
  {
    internalLabel: 'hard',
    label: '💀 hard',
    maxNumber: 10,
    operators: [
      { label: '+', },
      { label: '-', },
      { label: 'x', },
      { label: '÷', }
    ]
  }
]