Mind It is an exciting Puzzle Game and published on Jan 10th, 2014 and has been played 25 times and has a rating of 0% after 0 votes.
It doesn't get simpler than this. Mine the green rocks with the green drill and the purple rocks with the purple drill. Space bar changes drill head. Note the portal at the bottom of the pit, it'll reset your position but with the same velocity you entered it.