Super fun!! Unfortunately my best run froze the game in the mausoleoum. But its so good i going to download the game, as it might just be a browser thing...
The music is really phenomenal! Does an instrument get added with every level you clear? It's very atmospheric, and when i really lock in - i somehow feel as if I were there...
EDIT: I finished the game! I found myself wanting some sort of final section so that I could enjoy my overpoweredness, along with one final boss battle or very difficult room. Bravo!!