The Metallic Lab is a track that changes every 5 waves. All the towers in the changing area will be sold when the track changes at full money back.
  • The first option, when the game starts.
  • The second option, an island with a big tree.
  • The third option, a magma track. You can place buccaners in magma. Black places are little coal islands.
  • The final option, a Temple in ruins. Bloons pass in the red path. You can repair the Temple ( will be asked ) for 150 000$.