Secret Door
In the level THE TUMBLING DANTINI in the beginning of the level jump over the lava pit and to the right of the door there is a ladder to go up to a secret door.GO in.But dont fall or youll just play the level normally.
Submitted by cubby
Bonus Stage
on the first level turn around and stomp on the mound and you will be warped to a bonus stage!!!
Submitted by 980154
Completeness
For having all done enter this password:
<,<,<,<,down,>,>,<,<,down,>,down,<,^,>.
submitted by JJUJ
Unlock All Levels
Enter as password.... ULDLRLDULRRDRRU. (U=UP, D=DOWN, L=LEFT, R=RIGHT)