A cover of "Further" by the band LifeForce was used in the video game Iji, and while not released on any CD, it was made available for public download.
It is possible to play Iji on Linux and OS X through the use of the software emulation layer Wine, though the game has been known to have graphical bugs in this environment.
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According to one indie game community, plans to port Iji to all known modern operating systems (which Daniel Remar himself gave permission for) have fallen through.
Iji (video game) | Iji |