The plot involves various characters boarding the Infinity Train. They have to face their inner demons, solve puzzles, and deal with the odd inhabitants of the train cars. The graphic novel explores themes like self - discovery and personal growth as the characters journey through the train's seemingly infinite expanse.
There was no official sequel to the death train novel. However, some novelists would create sequels or side stories based on their own creativity and ideas. However, these works might not necessarily be the same as the original novel. There might be some modifications or cuts, and they might not be created by the original author. If you want to read the death train novel's sequels, it's recommended to read the original first or wait for the author to release new updates.
One interesting Infinity Train fanfiction could be about a character who discovers a hidden car on the train with a whole new set of rules. Another might be a story where two characters from different cars team up to overcome a common enemy on the train. There could also be a fanfiction that focuses on the backstory of one of the train's denizens and how they came to be there.
I'm not sure specifically which 'death train novel' you are referring to. There could be many novels with such a title or theme. It might be about a train journey that is related to death in some way, like perhaps a train that is haunted, or a journey where people face mortal danger on the train.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a large collection of Infinity Train fanfiction with different themes and ratings. Another place could be FanFiction.net, although the selection there might be a bit more limited compared to AO3. There are also some Infinity Train - focused forums where fans might share their own written stories or recommend good ones.
Well, it might be that a villain causes deaths on the train in a comic. Or perhaps there's a supernatural element involved, like a curse that claims lives on the moving train.