This is the second mission. You have to cause a mutiny on the ship and force the captain to stop the cruise. You have to interact with 4 adventurers. I will give you 1 solution for every adventurer, but there are other ways to get the same results.
1. The cartographer (top floor) = Use the little kid that vomits cookies (found on the top floor, or right under the stairs that leads to the top floor) and vomit on the maps.
2. The egyptian museum (second floor) = Use the large (dad) magician found in front of the museum, and make the large sarcophagus disappear.
3. The safari (1st floor, zoo) = Use the big boxer and punch 3 cardboard animals.
4. The caviar eating lady (dining area, second floor) = Use the Pied Piper (make him go down his perch by playing some violin) and go behind the kitchen. Use music to attract the rats into the kitchen, going through the large doors.
Once all adventurers are triggered, go to the top floor and look directly to your right when you get upstairs. You'll see a small hole in the wall. Get out of all dolls, and enter the hole as Charlie. You'll have to use each adventurer, from smallest to largest, and interact with each guard separately. When you get to the captain, use the large caviar eating lady to intimidate the captain, and the achievement will pop!!