This is great but the UI seems to break when you buy a lot of traps/monsters. It could just be me. But there was no apparent way to scroll down the long list. This happened once I started picking up a lot of rares. Then, the confirm button when adding to dungeons was no longer visible and I couldn't even close the "add trap/monster" dialog box, which essentially broke the game.

Hope to see more! I'll revise this review if this is changed.