iDracula

IMAGE(http://wirelessmedia.ign.com/wireless/image/article/952/952672/idracula-20090209001435221_640w.jpg)

I got this little gem from the Appstore last week and it is addicting. So far I can last about 10-12 mins in the survival mode, but the little red werewolves do me in every time. I'm horrific at the rush mode. Anyone else playing this game, and if so what are your secrets to success?