To add, aside from solo journaling games, there are also proper solo ttrpgs with a lot of rules and tables so that the dice have a lot more say. Ironsworn and its off-shoots (Starforged and Sundered Isles) are a great example.
Writing a book means planning out plot and character arcs and going back to edit and such. Solo RPGs are an entirely different beast. They can inspire books, but they are not an authorial exercise.
To add, aside from solo journaling games, there are also proper solo ttrpgs with a lot of rules and tables so that the dice have a lot more say. Ironsworn and its off-shoots (Starforged and Sundered Isles) are a great example.
Yep, this is the post I was looking for.
Writing a book means planning out plot and character arcs and going back to edit and such. Solo RPGs are an entirely different beast. They can inspire books, but they are not an authorial exercise.