Atlus U.S.A. has announced that Master of the Monster Lair has shipped to retail across North America, exclusively for Nintendo DS. Master of the Monster Lair is an RPG adventure where you must become the architect of a vast labyrinth, crafting levels designed to lure and capture all kinds of beasts. Every monster disposed of offers the promise of new weapons and items, allowing for more unique dungeon designs and more efficient means of killing baddies. Press 'read more' for details - five new screenshots have been inserted in our gallery.