Code Talker is indeed a true story. It draws inspiration from the actual contributions and lives of Native American code talkers during times of war. Their stories are an important part of history.
I'm not sure specifically as there could be many 'davinci graphic novels' out there. It might be about the life and works of Leonardo da Vinci presented in a graphic novel format, perhaps including his inventions, artworks, and scientific ideas.
Yes, it is based on some real - world elements. For example, there are real historical figures like Leonardo da Vinci in the story. However, the overall conspiracy theory and some of the more outlandish claims are fictional. The author took some historical facts and wove them into a fictional thriller plot.
I'm not entirely sure specifically which 'Alpha Code True Story' you're referring to. It could be a story related to a coding project, a secret code in a game or a narrative within a specific organization's use of alpha - level code. More context would be helpful.