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Harry Potter and the Natural 20 by
Sir Poley reviews
Milo, a genre-savvy D&D Wizard and Adventurer Extraordinaire is forced to attend Hogwarts, and soon finds himself plunged into a new adventure of magic, mad old Wizards, metagaming, misunderstandings, and munchkinry. Updates monthly.
Crossover - Harry Potter & Dungeons and Dragons - Rated: T - English - Chapters: 74 - Words: 314,214 - Reviews: 6555 - Favs: 6,425 - Follows: 7,263 - Updated: 8/2/2018 - Published: 5/7/2012
Chaos Theory by
Moczo reviews
Sometimes, the tiniest of changes can have the greatest impact on the world. One chance encounter goes in a new direction, and the course of the Holy Grail War is irrevocably changed...
Fate/stay night - Rated: T - English - Adventure/Supernatural - Chapters: 44 - Words: 345,675 - Reviews: 2694 - Favs: 4,902 - Follows: 4,573 - Updated: 5/21/2018 - Published: 10/3/2010 - Shirō E., Saber, Rin T., Illyasviel von Einzbern - Complete
Blood and Chaos by
Aetheron reviews
The story brought to you by the depressing realization that any realistic SI involving myself can be summed up as: "He died. Horribly." But... death in the Buffyverse is hardly the end. Sometimes it's just a beginning. A pseudo-SI turned vampire story. Rated M for comedic sociopathy.
Buffy: The Vampire Slayer - Rated: M - English - Humor/Horror - Chapters: 90 - Words: 273,527 - Reviews: 288 - Favs: 818 - Follows: 783 - Updated: 3/9/2018 - Published: 11/10/2015 - Amy M., Faith L., Harmony K.
The Philosopher's Red Herring by
White Squirrel reviews
At the end of first year, Harry gets an unexpected visitor with some even more unexpected news, and a new plan for his future. UP FOR ADOPTION.
Harry Potter - Rated: K+ - English - Humor - Chapters: 2 - Words: 7,326 - Reviews: 197 - Favs: 752 - Follows: 789 - Updated: 5/17/2017 - Published: 4/16/2015 - Harry P., Nicolas F.
Significant Digits by
adeebus reviews
(Continuation of Harry Potter and the Methods of Rationality) It's easy to make big plans and ask big questions, but harder to follow them through. Find out what happens to Harry Potter-Evans-Verres, Hermione, Draco, and everyone else once they grow into their roles as leaders, leave the shelter of Hogwarts, and venture out into a wider world. Permanent home: anarchyishyperbole com
Harry Potter - Rated: T - English - Mystery/Adventure - Chapters: 58 - Words: 298,709 - Reviews: 273 - Favs: 523 - Follows: 606 - Updated: 5/16/2016 - Published: 4/9/2015 - Harry P., Hermione G., Draco M., Voldemort - Complete
Transcendent Humanity by
Solaris242 reviews
Humanity never developed FTL. The Prothean archives contained no technology, no Element Zero, just a warning. Isolated from the rest of the galaxy for two thousand years, restricted to their only system, how will humanity have changed when they first meet the Turians? AU, alternate history of humanity and First Contact.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 18 - Words: 40,604 - Reviews: 2082 - Favs: 6,473 - Follows: 7,484 - Updated: 3/1/2016 - Published: 5/7/2013
Trust and Providence by
Rachel Smith Cobleigh reviews
* What if Mary had trusted Matthew with her secret and immediately accepted his first proposal? An alternate universe starting from episode 1x06, interwoven with canon, that spans from 1914 - 1971. [M for sexual content, wartime violence, racial slurs, character death (but Matthew/Mary and Sybil/Tom end happily!)] [STEAMM]
Downton Abbey - Rated: M - English - Romance/Hurt/Comfort - Chapters: 39 - Words: 416,148 - Reviews: 669 - Favs: 282 - Follows: 365 - Updated: 11/21/2015 - Published: 2/2/2014 - [Matthew C., Mary C.] [T. Branson, Sybil C.]
What if SG-1 weren't stupid? by
EagleJarl reviews
A rational take on Stargate SG-1, wherein each chapter is an episode and none of the characters are idiots. Extended version of my SG-1 oneshot of similar name. NOT ALL EPISODES ARE SHOWN, and they will not necessarily appear in order - they'll show up as I write them.
Stargate: SG-1 - Rated: K+ - English - Humor/Adventure - Chapters: 14 - Words: 15,140 - Reviews: 50 - Favs: 49 - Follows: 59 - Updated: 8/16/2015 - Published: 7/5/2015 - Complete
Timelooping Tinker by
Thinker6 reviews
Oh no! The supergenius bomb tinker Bakuda has been trapped in an endless recursion of time! But don't despair, boys and girls! Blasting out of a piddling temporal anomaly will be child's play for the most explosive woman in the world! How hard could it be? (This is a totally insane humor crack fic, completely unlike my other long stories.)
Worm - Rated: M - English - Humor/Adventure - Chapters: 11 - Words: 21,424 - Reviews: 32 - Favs: 134 - Follows: 79 - Updated: 5/18/2015 - Published: 5/10/2015 - Skitter, Bakuda, Contessa - Complete
Still In(,) The Mirror by
Lilgreenman reviews
A fan epilogue to LessWrong's modern epic Harry Potter and the Methods of Rationality, going into why the most popular fan theory was so popular.
Harry Potter - Rated: K - English - Humor/Parody - Chapters: 1 - Words: 6,063 - Reviews: 26 - Favs: 131 - Follows: 56 - Published: 3/23/2015 - Mirror of Erised - Complete
Harry Potter and the Methods of Rationality by
Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 122 - Words: 661,619 - Reviews: 35029 - Favs: 24,930 - Follows: 18,617 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
Weaver Nine by
Thinker6 reviews
Taylor and Jack Slash are born in each other's places. Weaver is the infamous usurper of the Slaughterhouse Nine, while young Jacob Hebert forges his path through the underworld of Brockton Bay.
Worm - Rated: M - English - Adventure/Drama - Chapters: 29 - Words: 143,719 - Reviews: 144 - Favs: 812 - Follows: 823 - Updated: 2/9/2015 - Published: 12/17/2014 - Skitter, Jack Slash
Seventh Horcrux by
Emerald Ashes reviews
The presence of a foreign soul may have unexpected side effects on a growing child. I am Lord Volde...Harry Potter. I'm Harry Potter. In which Harry is insane, Hermione is a Dark Lady-in-training, Ginny is a minion, and Ron is confused.
Harry Potter - Rated: T - English - Humor/Parody - Chapters: 21 - Words: 104,212 - Reviews: 1549 - Favs: 7,751 - Follows: 3,660 - Updated: 2/3/2015 - Published: 9/7/2014 - Harry P. - Complete
The Metropolitan Man by
alexanderwales reviews
The year is 1934, and Superman has arrived in Metropolis. Features Lex Luthor as the villain protagonist as he comes to grips with the arrival of an alien god. Occasional point-of-view chapters/sections featuring Lois Lane. Takes place outside any established comics continuity. Complete.
Superman - Rated: M - English - Mystery/Adventure - Chapters: 13 - Words: 80,698 - Reviews: 542 - Favs: 1,230 - Follows: 730 - Updated: 7/25/2014 - Published: 5/18/2014 - L. Luthor, Lois L., Clark K./Kal-El/Superman - Complete
Worm d20 by
throwaawy reviews
You know that one gamer, the one who breaks into every house and turns the place inside-out in their search for loot? That adventurer who slaughters everything in their path for XP? What if the events of Worm were a group of friends simply playing a pen & paper RPG? What if the protagonist could best be described as one such adventurer? Rated T for language.
Worm - Rated: T - English - Parody - Chapters: 14 - Words: 22,973 - Reviews: 183 - Favs: 641 - Follows: 692 - Updated: 7/18/2014 - Published: 10/2/2013 - Skitter
Prince of the Dark Kingdom by
Mizuni-sama reviews
Ten years ago, Voldemort created his kingdom. Now a confused young wizard stumbles into it, and carves out a destiny. AU. Nondark Harry. MentorVoldemort. VII Ch.8 In which someone is dead, wounded, or kidnapped in every scene.
Harry Potter - Rated: M - English - Drama/Adventure - Chapters: 147 - Words: 1,253,480 - Reviews: 11172 - Favs: 7,670 - Follows: 6,843 - Updated: 6/17/2014 - Published: 9/3/2007 - Harry P., Voldemort
A Bluer Shade of White by
alexanderwales reviews
Six years after her coronation, Elsa rules over Arendelle, using the power of ice to improve the lives of her citizens.
Frozen - Rated: M - English - Sci-Fi/Romance - Chapters: 6 - Words: 20,525 - Reviews: 123 - Favs: 400 - Follows: 183 - Updated: 5/10/2014 - Published: 5/5/2014 - Elsa, Olaf - Complete
One More Arrow by
Markus Ramikin reviews
Post-episode 12. After Madoka's disappearance, Homura Akemi fights on, honoring Madoka's wish to protect the world - but she cannot endure forever.
Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: T - English - Chapters: 7 - Words: 22,379 - Reviews: 130 - Favs: 264 - Follows: 331 - Updated: 3/16/2014 - Published: 9/4/2012 - Homura A., Madoka K., Sayaka M., Kyoko S.
Branches on the Tree of Time by
alexanderwales reviews
Kyle Reese has traveled backwards in time, not to save Sarah Connor, but to help her rewrite the faulty utility function of Skynet. Together, it's possible that they might avert Judgment Day and save the world from nuclear Armageddon - and hopefully create a utopia ruled over by an AI god in the process. Fully completed. Diverges wildly from canon.
Terminator - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 30,847 - Reviews: 126 - Favs: 517 - Follows: 216 - Updated: 12/12/2013 - Published: 9/3/2013 - Kyle Reese, Sarah Connor, The Terminator, Skynet - Complete
Man in the Middle by
Catsy reviews
[AU] A month into the death game, the SAO Case Victims Rescue Force recruits an unwilling member with a personal stake in the game to help unravel the life-or-death mysteries of the technology behind Sword Art Online. But when a daring rescue plan goes horribly wrong, time is running out—for her, and for every one of the players at Kayaba's mercy.
Sword Art Online/ソードアート・オンライン - Rated: T - English - Drama/Sci-Fi - Chapters: 1 - Words: 17,527 - Reviews: 31 - Favs: 200 - Follows: 67 - Published: 5/17/2013 - Complete
I, Incubator by
Markus Ramikin reviews
Resistance is futile.
Puella Magi Madoka Magica/魔法少女まどか★マギカ - Rated: K - English - Chapters: 1 - Words: 1,917 - Reviews: 20 - Favs: 34 - Follows: 9 - Published: 9/18/2012 - Kyubey - Complete