Just quarry on

Guide this mining-droid to the bottom! Well... Only if there is a bottom... Drill yourself down and collect resources to upgrade your machines. There are severall useful upgrades to reach your goal much quicker:

• The diamond drill lets you drill by holding the left mouse button instead of clicking the blocks individually. 
• The laser drill is as  quick as the diamond drill, but when you press the right mouse button, you can destroy a bigger radius. This will cost you energy!
• The engine can be upgraded a few times. With each upgrade your fueltank gets a bigger capacity and you'll get more fuel from coal!

There are 6 different ways to play this game. By choosing one of the following settings you choose when the game ends:

• play 500 seconds
• play 1000 seconds
  
• play 2000 seconds
  
• reach layer 100
  
• reach layer 1000
  
• reach layer 2500
  

What are your highscores? Feel free to leave them in the comments!