Under the Ground (Open Sourced)

Initially started as entry for #42 Trijam (weekly 3h gamejam hosted by Rocknight Studio), but game turned out too big to do in 3 hours but I liked concept so I made it as polished gamejam game. I had an idea for one player controlling 2 entities at the same time (utilize both brain sides :D) and ended up with 2x mining machines. One machine "the Drill" can mine the rock to get gold and fight back the enemy monsters but cant gather the gold. For that there is defenseless "the Pickup" machine. Get...