The following tricks work on the Famicom/NES conversion and most of its variants including the Famicom Mini version published in Japan for the GBA, and the Wii Virtual Console version.
At the title screen, press and hold
and
, and press ![]()
At the title screen, press and hold
and enter
. Then release
and enter
. (Note that you only need to hold right, not the other directions.) Then press ![]()
You will be presented with a stage select screen. Use
to advance the levels and
to rewind the levels. Press
to begin on the selected level. When you finish the level, you will be asked which level you wish to be taken to next. Note that you can chose Stage 7, and you will begin with the Lance. You will be able to defeat Lucifer with the Lance, which makes this fight easier. Also, you can select Stage 7 two times back to back to witness the ending of the game very easily.
In order to see this message, you must defeat Lucifer twice and see the real ending of the game. At the title screen, enter
. You will see the screen presented on the right.