The city of Underland was attacked by extraterrestrial creatures. The invaders issued a signal and now many of them are in the city. Help Ivy survive as she escapes to the Earth's surface. On her journey, she must use various tools intelligently to be able to dig the ground, avoid acid and go through very strange constructions.The elevator is the transport to the Earth's surface: Dig and dig Avoid acidic fluid Solve the scenario puzzles At each stage, the player must use the elements available in the environment.Use picks, pumps, pipes and many other tools to get to the next elevator. There are few ways to get there, so the player must combine the direction of the path with the physics of the elements to succeed. Thus, each scenario is a big puzzle that must be solved to reach the end of the journey.