I was messing around with hex2obj, trying to get the map to work, and after figuring out how to get a point cloud to show, I found this on the second cave level. (The one where Frogger slides down a slope,
Under all the regions where you can fall is a platform for frogger to fall on to.
I also noticed a MAP file called SKY_LAND. It doesn't contain any of the keywords that the rest of the MAP files have. Anyone have any clue what this is?
Hopefully I can get further than minor discoveries like this.