Cupric Tunnel is one of two ways to enter Mineral Island, the other being through Ore Bridge. It is an underwater tunnel submerged five blocks below sea level.
Genesis Island EntranceEdit
Mineral Island EntranceEdit
The Mineral Island entrance is located in bourough of Copper and leads right to Rock Tunnel. It is right next to Ferrum Dam. This entrance is less developed than its counterpart and is still under construction.