Welcome to Zombie Farm Answers. What would you like to know?

Are you refering to the speech bubbles? They indicate what the zombie is feeling. Eg: when it is starving, an image of a brain will be there, whereas if he is in the mood for cupcakes, an image of a cupcake will be there.

In esence, the speech bubbles are there for aesthetics and do not affect the overall game whatsoever so you don't need to worry about them.

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