Useful Information
Castle Information
Level       Location                  Item                      Tips
    1            In the NE tip of the NE desert         Candle                  This one's easy.  There is a fairy inside.
     2        In central swamp, surrounded by mtns  Glove               Use your sword to break blocks with glove
     3        On island, go S of king tomb                 Raft               This is hard, There are pits in ground.
     4        On Maze Island, Go NE on E cont.        Boots            There are many wizzrobes.  Use reflect wisely
     5        Island, Go E from town, walk on water  Whistle         You can walk one wall in this castle.  Find it.
     6        Play whistle in middle of Three rocks.   Cross            The pits are endless here.  1up near end.
     7        Go through lava - like area                    Nothing         It's big and empty.  Draw a map while you go
Heart and Magic Containers
Heart Containers  (2 on each continent)
1.  In NE desert near level 1, go south.  You will find a path.  Keep going south until you find a clearing in the woods.  Go to that clearing.
2.  In a cave blocked by a rock.  You must have the hammer first.  It is on the plains in the southern part of continent.
3.  In the water NE of castle.  While walking to level 5, there is a path you can take to the N about halfway through the water.  Go N, then E. 
4.  On the desert coast in the SE.  Walk along the coast and it will appear.