I've mined the three islands, met the future bosses on the science and magic islands. I even managed to fly (although it meant removing the dragon from the science island).
Is there a way of mining through the purple layer below the magic island? The wyrm drill can't penetrate it.
I'm enjoying the game - when I contributed to the Kickstarter, I was unsure whether you would make it but was delighted to see it reach the target (and beyond).
Looking forward to the updates.