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.
Then 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.
A deliberate choice on my part was for the player to continue to find new possibilities in the early Attic rooms far into the game. I think this builds atmosphere, though it means there's no neat...