I'm not certain. There are so many visual novels out there, and without more information about this specific one, it's difficult to gauge its popularity. It could be a niche visual novel that has a small but dedicated following, or it might be relatively unknown.
Well, 'the letter visual novel' could potentially revolve around relationships. Maybe it uses letters as a way to convey the emotions and developments between characters. For example, love letters could be a central part of the story, showing the growth of a romantic relationship. It could also be about mystery, where letters hold secrets that the characters need to uncover.
I'm not sure specifically as I haven't read it. But generally, a visual novel often involves a story with characters, a plot, and usually has some visual elements to accompany the text. It might be about the adventures of a character whose name starts with 'a' or something related to the concept of 'a' in a very creative and fictional context.
I don't know for certain. It could be popular within certain niche communities of horror fans or visual novel enthusiasts, but without more widespread promotion or exposure, it might not be well - known to the general public.
It's hard to say for sure, but one possibility is the old lady who lives in the abandoned house. Her backstory and strange encounters could indicate that she's the ghost.
I'm not sure specifically as there could be many horror games or visual novels with 'the letter' in the title. It might be about a spooky story that revolves around a letter. Maybe the letter contains a curse or some dark secret that sets off a series of terrifying events in the game or story.
Since I'm not familiar with this visual novel, it's hard to say who the main characters are. But in general, in a visual novel that focuses on letters, there might be a sender and a receiver of the letters as main characters. Maybe a young writer who sends out letters seeking adventure and an older, wiser person who receives them and offers advice.
Well, without having actually read 'the letter johannes visual novel', it's hard to say for certain. But generally, in a visual novel, there's a story with characters and a plot. Given the name, it could be that Johannes is a key figure and the 'letter' aspect might imply that correspondence or written communication plays an important role in the narrative, like maybe it reveals secrets or drives the relationship between characters.