Disable effects:
Go to options menu (click on the Igor in the left menu, at the bottom of the page there is Options, Intro, Game Guide) and disable "High quality graphics" and "Frequent vibrations".
Congrats on the candy cane.
BTW in Nightmare mode you are faster, but slower than

. And I don't think NM gives you better items. I haven't played NM since I got

and I got 4 (or more) Coef.4 items and 2 coef. 5 in one game last week. Every game has its ups and downs. Good luck
