God, my heart left my body for a moment when another dice appears from nowhere! +)) Also I felt like I lost when one of them reached the bottom, but surprisingly the game continued...
I feel like it would be better, even if it would do the game harder, but it would be fun and very challenging! Maybe you can do such mechanics as a "hard mode" later :)
Very well made! Liked it! And simplicity of graphics fits very well to the simplicity of the game with such simple, but stylish dice mechanics. Very well made!