The LEGO Island data files are in the format ".si". After some googling, I discovered that Softimage 3D, a former 3D graphics software used in things like Super Mario 64, and the movie Jurassic Park; well, it used ".si" to store 2D and 3D data. Maybe; the source might not have been accurate. But the point is, it is a possibility that LEGO Island merely reads the .si files from Softimage, and used them in-game. Unfortunately, I have MAC OS X, and no access to Softimage 3D. But, maybe some of YOU!!!...

I tried Autodesk Softimage already, and I didn't see it able to open or import SI files, the closest thing was XSI files (I think it was).

DANG IT!!

If I got to speak with someone who actually worked on the development on the game, I would ask them what program they used. Because well, once before I did ask someone on another game what they used to make the maps (despite being in a totally unknown format and they must of made some plugin to make it into another format), and I got an answer. :af: