Crossover Galore Challenge is a fanfiction challenge/fic-a-thon community that you can join and participate in until each challenge closes, which you will then people able to vote on the "Best __(fandom)_ Crossover Fic"!
! ...]Crossover Galore Challenge has already opened with prompts! So you can start writing!
[ ... Prompts
Fandoms Included: A Walk to Remember, Buffy the Vampire Slayer/Angel, Charmed, Chuck, Constantine, Criminal Minds, CSI, Danny Phantom, Dark-Hunters Series, The Day After Tomorrow, DC Comics (Batman, Birds of Prey, Teen Titans, Superman, Justice League, Legion of Superheroes), Dead Like Me, Disney Films, Dogma, Fallen, Fast times at Ridgemont High, Flash Gordon, Gargoyles, Ghost Whisperer, Gilmore Girls, H2O: Just Add Water, Hannah Montanna, Harry Potter, Heroes, High School Musical, Jericho, Jurassic Park, King Arthur, Labyrinth, LXG, Life, Life is Wild, Life with Derek, Lord of the Rings, Lost, Marvel Comics (Spider-Man, Avengers, Fantastic 4, X-men), The Mummy, Moonlight, Ocean Girl, One Tree Hill, Painkiller Jane, Peter Pan, Phil of the Future, Pirates of the Caribbean, Reaper, Sabrina the Teenage Witch, Sailor Moon, Saved by the Bell, Smallville, Spellbinder, Supernatural, Stargate: Atlantis, Teen Witch, Teen Wolf, Transformers, Ugly Betty, Van Helsing, and Volcano.