Yak Shaving for Kicks and Giggles! was created with Inform and has IFID BCAC727F-7DBF-442D-BA72-75C77FEEE45D. 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.