Players very widely disagree with me about what's hard and what's easy. and in a way, 'I won, but it was a fight' is the best compliment a game can receive.
Graham NelsonWriting a really general parser is a major but different undertaking, by far the hardest points being sensitivity to context and resolution of ambiguity.
Graham NelsonThen in my early teens, when the home computer bubble was blowing, I had one of the first, an Acorn Atom, and used to write primitive adventures on that.
Graham NelsonWhat I would pay much more attention to are the few points where the player can inadvertently make a career decision. Most players end up back-tracking, though some actually enjoy this.
Graham Nelson