One problem that frequently faces the Facebook gamer is deciding which entry in a given genre to start playing. If virtual pets sound fun, should you pick up Pet Society or PetVille? Treasure Madness or Treasure Isle? FarmVille or Country Story? Frequently the decision will come down to what your friends are already playing or which graphics you like better. In the case of Enchanted Island, though, there doesn't appear to be any other obvious Facebook game that plays largely the same way. It's not a clone of anything and it doesn't (yet) have any clones. This is so unusual on Facebook that it's honestly a bit arresting.