There are few more popular detectives than Nancy Drew, so playing as her in this series of puzzle adventure games is a blast! If you're playing Sea of Darkness, read on for all the help you need in my complete Nancy Drew walkthrough guide.

Nancy must travel to Iceland to track down a missing treasure hunter in another excellent Nancy Drew adventure, with all the puzzles and intrigue we've come to expect. The walkthrough below is done in amateur mode, so be aware that some puzzle solutions will be slightly different if you're playing as a master detective.

Also note that unlike some puzzle adventures, Nancy Drew: Sea of Darkness is not linear in any way. You can do many tasks in a different order than I did, but some events have to happen before certain other events become available. I may have done puzzles in a different order, so you may have to skip this guide to find the answers you need. But they’re all there!

Select the desk pad, click on the letter and read it. It is from a friend of Moira Chisholm’s, named Dagny Silva. She claims to be a treasure hunter, who finds lost objects and returns them to their owners. She suspects that something sinister is going on with her business partner, Magnus, in a small town called Skipbrot in Iceland. So, set off for Iceland!