You then have to eat 10 balloons to unlock the missions.
You need to watch his heartbeat and when the heart is small, press x to eat the balloon. Later on it will be beating very fast so it's going to be difficult to pass it.
SINGLE PLAYER ONLY, HAD TO CONFIRM THIS FOR NOOBS WHO ASKED. 100% CONFIRMED.
Edited by FlyUS, 20 October 2013 - 06:17 AM.