I think they should look for a better tagline for their program.
Parchment is a web-based engine to play games interactive fiction games, text based, and written in z-code.
It works great and only needs a browser and Javascript enabled, and as an example you can try Curses (the famous adventure created by Graham Nelson in 1993). I didn’t know about this game, but if it deserves its own wikipedia page, may be it’s relevant.
