Just discovered this game last week - it is seriously one of the best designed and most fun games I've ever played (and I'm pretty snobby about game design, and play a lot...)

So, great job! Keep up the good work, although it feels almost complete already, in alpha. Perhaps you might consider ...

As I was playing the alpha (0.9.8) I was thinking to myself "Gee, the enemy attacks are pretty mild, and haven't really ramped up a lot since the start..." Was thinking there might be some sort of resource unique to this world the player can discover, possibly a new ore - at first they might ...