The hidden stairway to the castle dungeon is in the library (first floor right). You will need the Library Slip from the Mordred Museum. (Get the gold coin from the fountain to pay your admission.) Once you have the library slip, press the scroll on the shelf marked Mc-M on the lower aisle, and the stairway will open.
under the library, you click on the McM label and stairs appear
You do not get or use a bucket on Astro Knights Island.
There is no treasure chest on Astro Knights Island.
There are no bird eggs in astro knights island.
its on the island
How do you talk to the girl in the hay loft at astro knights island?
On every island you have to be the one to save whatever needs saving. That includes the kingdom in Astro Knights Island.
Once you have built a new spaceship on Astro Knights Island, it will park on top of the castle whenever you leave the island.
it is in the left
Astro Knights
With Mordred
on astro knights island