Army of Darkness: Defense for iPhone and iPad
 

... is currently free in the App Store.

http://itunes.apple.com/us/app/army-...431739110?mt=8

I just downloaded it - Haven't had a chance to play it yet, but it was well-reviewed in this month's Rue Morgue - If you're a fan of the movie, this should be up your alley - Lots of quotes and references.

Grab your Boomstick and download it! Hey - It's free; can't go wrong. ;)