Use the elements at your disposal, such as excavators, pumps, plumbing, among others, to drill the soil to the indicated location. The dynamic scenario, fluid mechanics and the laws of physics must be manipulated correctly to achieve the goal. Find the city of Underland!
https://store.steampowered.com/app/1528050/Underland/

My gameplay:
https://youtu.be/v82gOk50qKM