About Inform 7 was created with Inform and has IFID ED0CBBCC-72CD-11E1-8E2D-AA0004000A04. 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.