You can get the key in mission Atlantis by using the cheat codes.
They make it easier to get past the games. For example: in Lego atlantis shark chase without cheat codes it is difficult and with the cheat codes you are invincible.
If you go to google then type in Quest Atlantis when you get to the site click guest account and there you go a account paper will come up to fill in
Curse of Atlantis Thorgal's Quest - 2002 VG was released on: USA: 20 September 2002
this should be the only website your logging onto no need for Quest Atlantist
chicken
beans,slow
Money
No there is no cheat's on Adventure Quest Worlds.
The Engine I use For Adventure Quest is Cheat Engine v.5.3
To unlock the Atlantis quest in Castle Age, you need to complete the main questline called "The Underworld." The Underworld questline becomes available after reaching level 100 and completing the main questline called "The Land of Fire." Once you have completed The Underworld questline, the Atlantis quest will be unlocked.
No