Here is the full list of all 6 World Cruise Story trophies - there are 1 bronze, 3 silver and 2 gold.
Proof of obtaining the statue of Gold Kairobot.
Proof of managing a luxury cruise liner for many years.
Proof of getting [Five stars] in all cruise ranking categories.
Proof that the hull was expanded to the maximum.
Proof of collecting more than 70 types of targets.
Proof of completing the first cruise plan.