The only doors on Mythology Island are at the temples of Hades and Poseidon, and on the Minotaur's lair.
the colors of the 8 sections of the flower on the door correspond to your reed pipe. click the reed pipe button that matches the color of the petals on the door
give him ten darchmas
you need a pomegranate from above the sphinx
you play the lead pipe in order on the door it tells you the order and how many of each
To open the underground door on Mythology Island in Poptropica, you need to retrieve the trident from Poseidon. Once you have the trident, use it to unlock the door and access the underground area. Good luck!
the notes are marked on the door,so you just play the notes on the door
Use the starfish as an offering on the altar, by the door to Poseidon's realm.
Get the pomegranates from the tree in the garden of the Sphinx, and put them on the altar.
you get a pomagranet from the garden of the sphinx and place it on Hade's alter at his palace. The alter is by the door. The door will then open.
Offer the starfish from the Poseidon statue in the Museum.
You click on the snake with the red eyes when he comes out of the picture. Then it will open the door!
To open the door, you need to play Blue, blue, green, yellow, yellow, red, blue, green.