THE UNDERGROUND

  • The Black
  • Ruins/Home
  • Blizzton
  • Blizzton Town
  • Waterfall
  • Temmie Village
  • Hotland
  • Alphys' Lab
  • True Lab
  • The Core
  • New Home
  • New Home Castle
  • Barrier
  • The Underground, entered by the Paradise Ravine. It takes a bit of exploring to actually find the first part, the Ruins, but once one does find it, they’ll be quite happy!