let challenges = [
  {
    difficulty: 48,
    // kinda just a mix of things?
    disabledSkills: [true, true, false, true, true, false, false, false],
    disabledUpgrades: [false, true, true, true, false, false, false, true],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 360,
  },
  {
    difficulty: 53,
    // no points stuff allowed at all!
    disabledSkills: [false, true, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, true],
    disabledPoints: [true, true, true, true, true, true, false, false],
    duration: 180,
  },
  {
    // no skills allowed, no profits
    difficulty: 58,
    disabledSkills: [true, true, true, true, true, true, true, true],
    disabledUpgrades: [true, false, false, true, false, false, false, true],
    disabledPoints: [true, false, false, false, false, false, false, false],
    duration: 180,
  },
  {
    // very quick, just go as fast as you can
    difficulty: 68,
    disabledSkills: [false, false, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, false],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 45,
  },
  {
    difficulty: 68,
    disabledSkills: [true, true, false, true, true, false, false, false],
    disabledUpgrades: [false, true, true, true, false, false, false, true],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 360,
  },
  {
    difficulty: 78,
    disabledSkills: [false, true, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, true],
    disabledPoints: [true, true, true, true, true, true, false, false],
    duration: 180,
  },
  {
    difficulty: 78,
    disabledSkills: [true, true, true, true, true, true, true, true],
    disabledUpgrades: [true, false, false, true, false, false, false, true],
    disabledPoints: [true, false, false, false, false, false, false, false],
    duration: 180,
  },
  {
    difficulty: 88,
    disabledSkills: [false, false, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, false],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 45,
  },
  {
    difficulty: 88,
    disabledSkills: [true, true, false, true, true, false, false, false],
    disabledUpgrades: [false, true, true, true, false, false, false, true],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 360,
  },
  {
    difficulty: 98,
    disabledSkills: [false, true, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, true],
    disabledPoints: [true, true, true, true, true, true, false, false],
    duration: 180,
  },
  {
    difficulty: 98,
    disabledSkills: [true, true, true, true, true, true, true, true],
    disabledUpgrades: [true, false, false, true, false, false, false, true],
    disabledPoints: [true, false, false, false, false, false, false, false],
    duration: 180,
  },
  {
    difficulty: 108,
    disabledSkills: [false, false, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, false],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 45,
  },
  {
    difficulty: 108,
    disabledSkills: [true, true, false, true, true, false, false, false],
    disabledUpgrades: [false, true, true, true, false, false, false, true],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 360,
  },
  {
    difficulty: 118,
    disabledSkills: [false, true, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, true],
    disabledPoints: [true, true, true, true, true, true, false, false],
    duration: 180,
  },
  {
    difficulty: 118,
    disabledSkills: [true, true, true, true, true, true, true, true],
    disabledUpgrades: [true, false, false, true, false, false, false, true],
    disabledPoints: [true, false, false, false, false, false, false, false],
    duration: 180,
  },
  {
    difficulty: 128,
    disabledSkills: [false, false, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, false],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 45,
  },
  {
    difficulty: 128,
    disabledSkills: [true, true, false, true, true, false, false, false],
    disabledUpgrades: [false, true, true, true, false, false, false, true],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 360,
  },
  {
    difficulty: 138,
    disabledSkills: [false, true, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, true],
    disabledPoints: [true, true, true, true, true, true, false, false],
    duration: 180,
  },
  {
    difficulty: 138,
    disabledSkills: [true, true, true, true, true, true, true, true],
    disabledUpgrades: [true, false, false, true, false, false, false, true],
    disabledPoints: [true, false, false, false, false, false, false, false],
    duration: 180,
  },
  {
    difficulty: 148,
    disabledSkills: [false, false, false, false, false, false, false, false],
    disabledUpgrades: [false, false, false, false, false, false, false, false],
    disabledPoints: [false, false, false, false, false, false, false, false],
    duration: 45,
  },
];
