Here are some cheats and tips for the game Adventure Island.
Level select:
Press Right, Left, Right, Left,
A, B, A, B at the title screen, after
Higgins gets hit by the coconut,
Continue:
Enter the left cave in the first stage of the third level
of Fern Isle. Continue game play until reaching the fourth skull.
Jump up and down to find a bonus room and collect the “Hudson
Bee”. When game play ends, hold Left and press Start
to continue from the last stage with all items.
Extra items:
Enter 0894 as a password for 99 of each item.