Biggest issue is control. When designing something physics based you gotta make sure everything is smooth and easy to grapple. Easier said than done i know :)
It was just hard to grab the fish and throw fish at the zombies. Some visual ques as to whats going on or just some arc's depicting your likely throw would have been nice.
Ahhhh, okay I see. You actually get both those things and a lot more in the shop after the first level, you just need to serve a few of them without it. You were probably less than a minute away from seeing them unfortunately :(