here is my record as pressing the button all the time (without take away my finger from left mouse button (like there is no tomorrow :D )) http://tinypic.com/r/21nh0no/9 - i love the game!
Drill for your life
Dig (and move) pressing your left mouse button. You can also jump pressing your right mouse button. The goal is to get to the bottom as fast as possible. If you drill a block with a skull on it you die.
Note: Get closer to block to check whether they're deadly or not.
Made in hour game for 1h game jam (http://onehourgamejam.com/)