Castle of Riddles Revisited Guide

In 1982 'Castle of Riddles', an adventure game for the BBC model B computer, was published. This retro game was text only but challenging.
The new version of this game has been greatly expanded with more puzzles, graphics and sound but still retains the appeal of the original version and is even more challenging.
You're probably going to get stuck so here are all the answers including fifty ways to die,