a 3D editor showing part of Riven, in wireframe. It's similar to the previous image, with more "normal" buttons, but still very complicated https://digipres.club/system/media_attachments/files/112/679/826/321/687/281/original/0d07c50be2bceea4.png
I believe that was mainly for verification that I could open the files at all. Next I moved forward a few versions, up to SoftImage 3D 4.0, the last version before the SoftImage|XSI rebrand.