Wonderful feedback! In regards to your idea, I had something similar in mind. "Knowledge" will become a game mechanic. What I want to avoid are situations like in Minecraft, where the player goes to the wiki and hyper optimises everything from the start, because that would contradict with the story. Cave will be a linear story game in that regard and players can't just "jump" to the end game, unless they remember where to look for.
Making seeds replayable is another objective I am thinking about. Yes, seeded words are already a thing and will come with the next huge 0.1 update!