Mysterium
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
Get the Super POW
Get lots of weapons
Drop down a level
Warp to where you got defeated
Get the Super POW
Call up the map and press A, B, Left, and Start, all at the same time,
then click on your inventory and you will see that you will have the
Pass Key. Drop the Pass Key into a pool, and it will change into the
Down Level, Drop the Down Level into a pool to get the Up Level, drop
the Up Level into the pool and you will get the Super POW.
Get lots of weapons
Call up the map, then press B, Up, and, Select at the same time to get
lots of weapons and other stuff.
Drop down a level
Call up the map, then press B, Select, and Down simultaneously. This
allows you to drop down a level from the level that you are
currently on.
Warp to where you got defeated
Lose all of your lives and continues, then take the Iron and drop it
in the Pool of Fire to get the Glass Key. Go down the passage and use
the key to open the door. Continue down the passage to find the
Vitriolk. Pick it up and use it to be warped back to where you were
before you were defeated.