The Four Eccentrics was created with Inform and has IFID D302386A-757A-491F-A433-8F2F87F6CC89. 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.