Option for RPG in the characters.

There are several points.

The main one is to include a text box or section, which is generated from a template defined by the author and which is updated as the story progresses. Information that the character can access so that there is greater coherence when developing the adventure.

Additional, although less primordial, these other options: writing style, difficulty mode.

And finally, although more like a whim: music, background and auto-backups