1.2 has just been pushed to the main branch. This new update adds a seventh level to the mines, this level is full of a newly discovered stone called "Starlight Shale", along with a collection of new high value ores to mine. 

Level 7 brings a new tier of drills called "Crushers". There are 8 Crusher tier drills, with the final, named the "God Crusher" costing 1 Billion dollars, So get to mining!.

1.2 also comes with various map changes, and bug fixes, along with a slew of new achievements for you to unlock. Have fun and thanks for playing!