Everyone loves cracked IPAs of their games all over the interwebs, by using a tiny amount of code you can make life quite a bit more difficult for crackers, and more importantly throw off people who are just running scripts to do the job.
Readme is in the PirateGame.m

This code is *very* out of date, but may still be of some use to someone. Requires cocos2d

code: source
queries: orta.therox@gmail.com