A fairly faithful port of the NES game by a Canadian developer and a Japanese publisher released only in Europe.
Debug Mode#
During gameplay, press A, B, B, A, Up, Down, Left, Left, B, A. Now press B+Select to enable a free movement mode. Press A while in this mode to skip stages. Be careful while using this mode, as the player can still take damage, and going too far up or down will cause the player to die.
(Source: cah4e3)