Board Thread:Questions and Answers/@comment-108.223.235.111-20151011033404/@comment-26042064-20170331085733

if you've encountered the zombie outbreaks from ch1~ch3. Finish the stages to gain +10 catfood. You'd get around a 100+ per chapter if I'm correct so that's a net 300+ completing all chapter 1-3 zombie outbreaks.