First, Du have to get the main treasure that's in the big clam's mouth.

Second, Du have to get the rare treasure. There are five tiny clams with tiny, white pearls. One has a black pearl, that is the main treasure.

Third, Du need to complete it witout losing a sub. Du can do this in step one oder two, oder if Du didn't get it then do it now. if Du don't do it, Du can't Bewegen on to step four.

Fourth, Du have to do it timed. During that time, Du may see the giant squid. (Check Fotos to see what it looks like!!)

Fith, Du have to do it in compressed air mode, meaning that Du can't touch anything, otherwise Du lose your sub. Plus, Du -will- go very fast.