Hello there, writerly friend~ ♥︎
You pose a very interesting question! Storytelling in video-games is actually a lot more complicated than storytelling in books, since you have to consider gameplay (unless you just take all of the gameplay out of the game and make something like Dear Esther, but thankfully that is not the core of your question c;). No, I have nothing against Dear Esther please put that rock down.
Now, here’s the deal. My advice for your situation is actually pretty straight for...