Gateway of the Ferrets was created with Inform and has IFID 44F3A87C-D7EE-11E9-9B30-38DEAD6428A5. To play a work like this one, you need an interpreter program: many are available, among them Zoom
for Mac OS X and for Unix; Windows Frotz or Windows Glulxe for Windows.
Or you can play without downloading anything by following the 'Play In-Browser'
on your web browser.