Haven't used it in a while; but back in High School, I used it to make a Dungeons and Dragons character generator. (Had to learn all sorts of HyperScript to get that up and running.)
Also made an interactive map of the school for our yearly open house; had SE's stationed throughout the school with the stack running in 'locked' mode (or whatever it was called; we only had a mouse connected, no keyboard.) I even added a little 'easter egg' in the form of an animation. Our school was two floors. You had to click on a stairway to change floors. BUT, if you were on the top-floor view, and clicked on the space that was a balcony that overlooked the library entrance (the library was only one floor, but the vaulted ceilings went all the way to the top of the second floor,) you got a multi-picture animation of 'falling' off the balcony. (Taken with an Apple QuickTake on a rope, with a shutter release rigged up.) Then you were back to the first-floor view. (The main map was set up so that you could click on any room and see the teacher and subject. The year after I left, another student modified the stack to include pictures of each room; as they tossed all the hard-drive-less SEs and used ones with hard drives for the stack that year.)