The first ten finishers for each island are listed in the Creator's Blog. Look in January, 2011.
The first person you beat will come back for a rematch. Beat him and the bartender will give you a penny whistle.
The Cryptids Museum is on the first floor of the Mews mansion, to the right.
There are none right now, but if you have not completed other islands you can do that. I would do ones marked easy first. BTW: Cryptids will probably be the next one.
Early Poptropica Island was the first to be created
There is no yeti footprint. You have to find all the other cryptids first.
early poptropicathe first island was early poptropica
You find the blue jacket in Cryptids island where the boat driver wears it. Make sure you don't make him go on vacation first
Early Poptropica was the first island, released in September 2009.
Early poptropica
In Poptropica's Cryptids Island, to analyze DNA from the egg shells, you need to first collect the egg shells found near the nests. Once you have the egg shells, head to the lab where you can use the DNA sequencer. Interact with the sequencer to input the egg shell samples and analyze them, which will help you identify the creature they belong to and move forward in your adventure.
I'm pretty sure it was "Early Poptropica Island"
Early Poptropica was the first, and Shark Tooth Island was the second.