In Johan's sanctum in the sewers, click on Johan and Etrom will exclaim "Guru Meditation!". On the Commodore Amiga, if a software error occured, a screen proclaiming in red text "Software Disk Error. Please click left mouse button to restart Guru Meditation" followed by a number. This was the equivalent of Windows' infamous "Blue Screen of Death". Many of the software engineers at PM Studios (Etrom's Developer) worked in Commodore's European branches.