Maniac Mole

Maniac Mole is an Adventure game, developed by Atari SA and published by Phoenix Games, which was released in Europe in 2006.
Once upon a time, a mole fell asleep in his house, but when he awoke, the world around him had changed.
His cozy hole was turned into a laboratory inhabited by some violent creatures. The laboratory is huge, spread around numerous levels, and goes deep underground.
Our mole has to go deeper and deeper underground to clear his house of these creatures and destroy the laboratory.