Another good one could be 'On the Beach' by Nevil Shute. It shows a world facing the doom of nuclear fallout. The story follows the lives of the remaining people as they await the inevitable end, exploring themes of human nature, hope, and despair in the face of doom.
A great doom - themed book is '1984' by George Orwell. Although not strictly a 'doom novel' in the traditional sense of a cataclysmic event, it portrays a world of totalitarian control and the doom of individual freedom. The surveillance state and the manipulation of truth make it a very dark and thought - provoking read.
One interesting doom novel is 'The Road' by Cormac McCarthy. It presents a post - apocalyptic world full of doom and gloom, where a father and son struggle to survive. The desolate landscapes and the constant threat of danger create a sense of impending doom throughout the story.
One interesting idea could be a doom fanfic where the protagonist is a new recruit in the Doom Slayer's army. They have to learn the ropes and face off against demons in a training scenario that goes horribly wrong, leading to an unexpected adventure. Another could be a fanfic set in a post - Doom world where the remaining humans are trying to rebuild and there are still hidden pockets of demonic activity that they have to deal with. And a third idea could be a fanfic that explores the backstory of one of the demons, perhaps giving it a more sympathetic angle before it became a monster in the Doom universe.
One idea could be a crossover with the Halo universe. Imagine the Doom Slayer facing off against the Covenant. Another could be a crossover with the Warhammer 40K universe, where the Doom Slayer battles Chaos forces in a hellish landscape that combines both universes. Or a crossover with the Mass Effect universe, where the Doom Slayer's brutal combat style clashes with the more strategic and technological approach of the Mass Effect races.
One idea could be creating an OC who is a survivor from a previously unmentioned colony on Mars. This OC could have unique skills like advanced engineering, which they use to build makeshift defenses against the demons. Another idea is an OC that has a special connection to an ancient artifact on Doom's Earth, and this connection gives them the ability to control certain types of demons or at least influence their behavior. A third idea is an OC who is a part of a secret resistance group within Hell itself, trying to undermine the demon hierarchy from the inside.
A really cool Doom 64 fan fiction might be set in a post - apocalyptic world after the events of the game. The survivors are trying to rebuild while still fearing the return of any remaining demons. This type of story could explore themes of hope, survival, and the long - term effects of the Doom 64 events.
Another possibility is a crossover with the Mass Effect universe. The Doom Slayer arriving in the Milky Way and getting involved in the fight against the Reapers. His brute force approach might shock the more tactical Alliance forces, but it could also be the key to victory in some battles.
One interesting Naruto Doom fanfiction could be one where Naruto gains Doomguy's powers. He might use the superhuman strength and combat skills to take on new and powerful enemies in the Naruto universe. For example, he could use the Doomguy's chainsaw to cut through some of the toughest demons in his world as if they were regular foes.
Well, 'Doom Slayer: Redemption' is a great fanfic. It shows the Slayer's struggle with his own inner demons while still fighting the literal demons. Then there's 'The Doom Slayer's Allies'. This fanfic explores the relationships the Slayer could have with other characters, whether they be human survivors or other powerful entities. And don't forget about 'Doom Slayer: In the Wasteland'. It's set in a post - apocalyptic world where the Slayer has to face not only demons but also the harsh environment.
One interesting concept could be the combination of Naruto's ninja abilities with Doom's dark and gritty world. For example, Naruto's shadow clone jutsu might be used in a creative way in the Doom setting, perhaps to distract demons while the protagonist makes a strategic move. Another concept could be how the characters from Naruto interact with the powerful weapons and technology in Doom. It could lead to some really unique battle scenarios.
One idea could be a crossover with the Halo universe. The Doom Slayer could team up with Master Chief to fight against a common alien threat that has invaded both their worlds. They could share their combat skills and weaponry knowledge.
One interesting concept could be the combination of the mythological elements from Percy Jackson with the dark and apocalyptic setting of Doom. For example, how the demigods would react and adapt to the hellish landscapes and demonic threats in the Doom universe. Another concept might be the power struggle between the gods in Percy Jackson's world and the forces of evil in Doom. It could also explore how the weapons and abilities from Doom could be integrated into the hands of the Percy Jackson characters, like Percy using a Doom - style plasma sword instead of his regular sword.