Dig is IMPOSSIBLE.
I don't care if you have it, I don't care if there are guides...this achievement is IMPOSSIBLE.
...maybe not...but seriously, I can't do it. My patience is gone. I've been trying for months and months to clear a screen and get this achievement, and I just cannot do it. The longer I last, the faster the enemies get, and they eventually get me.
100% Arcade/WP/Win8  | 100% Retail  | 100% Xbox One 
First achievement unlocked in Fall 2009 | 100k on April 05, 2016
Sig courtesy of DethHolly.