After the dog is done digging, click on time capsule -- it will not come all the way out.
Click the shiny clasp to open it and click on the pearl inside. You have won and will receive the Island Medallion.
ring bell. girls go away, dog digs crackers. TREASURE!
The Treasure is on the ground where the girls that are ignoring you are
yes he does undig the treasure with the butter crumpets.
You have to get a peanut crackers box and put a cracker were the treasure is. Easy
you have to beat Nate on the jet
you don't rescue him. You put the peanut butter cookies on the ground where the time capsule is buried and he digs the hole.
the treasure
You do not play as Big Nate. He accompanies you around most of the island, and races you on the jet skis.
You can't play "as" Nate, but everywhere you go on the island, he tags along.
There is no Duke among the characters of Big Nate island.
When you locate the Time Capsule and the dog digs it up, click on the shiny clasp to open it. The pearl will pay for the school renovation, and you get the Island Medallion. (see related question)
the middle part look on map u got from seal rock