While title screen is showing enter (Up, Down, Left, Right, B, B,B,B, Start)
Action Replay codes
03D575AD Infinite money for weapons
03D5C9AD Infinite money for items
03DE59AD Infinite money for rooms
03DF1CAD Infinite money for elixir
07B4349E Level and statistics for all characters increase after each battle won
07BF97BD Magic points don't decrease