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Underworld Idle

Steam
  • 6,794 Achievements Earned
  • 1,543 Players Tracked
  • 8 Total Achievements
  • 1,422 Obtainable EXP
  • 250 100% Club
Achievement
Rarity
Earned Date
  • Crystal 1

    Activate crystal #1

    99.81% (54.9)
  • Crystal 2

    Activate crystal #2

    87.82% (65.9)
  • Crystal 3

    Activate crystal #3

    79.13% (79.0)
  • Crystal 4

    Activate crystal #4

    47.76% (135.8)
  • Crystal 5

    Activate crystal #5

    36.49% (186.3)
  • Boiler

    Blow up the boiler

    51.26% (110.1)
  • Obelisk

    Use the obelisk

    20.29% (319.8)
  • Warlocks

    Unlock warlocks

    17.76% (470.1)