It sounds like you're referring to a specific paper or design document titled by an author or handle "Oni" — likely related to procedural content generation, permadeath mechanics, or roguelike design patterns.
Rogue-Like: Evolution is an adult-themed visual novel and dating simulator developed by the artist . Set several years after the conclusion of the X-Men: Evolution roguelike evolution v16e by oni
Understand the game's controls, mechanics, and UI. It might seem daunting at first, but once you get the hang of it, you'll be exploring like a pro. It sounds like you're referring to a specific