Codex Sadistica: A Heavy Metal Minigame was created with Inform and has IFID E97E0FEC-4F16-4060-A8BF-C80A5AE3D369. 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.