Cassette 50, you are getting ever more wonderful/beautiful/annoying/insane.
If Old Bones was incomprehensible, Thin Ice ramps that up to the point where it might as well have you tied to chair while it screams in Esperanto right into your terrified face.
I have literally no idea:
See the Commodore 64 version of Thin Ice
See the Vic-20 version of Thin Ice
See the Acorn Electron & BBC Micro version of Thin Ice