Congratulations on completing all the activities, by now you should have collected ideas about engineering coastal defences, microplastic pollution and species that can reduce pollution, and of course, where on Earth did the duck come from? 

You are probably ready to escape the ships control room and travel to the shore. 

To do this, list your numbers and put them in order from highest to lowest and then convert the numbers into a letter sequence. This exact sequence will be your password for the final escape.