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by Saphroneth reviews
Twilight Sparkle has been here before. In fact, she's been here so often she's thoroughly bored. Time Loop stories for Equestria.
My Little Pony - Rated: T - English - Humor - Chapters: 189 - Words: 1,883,375 - Reviews: 1420 - Favs: 962 - Follows: 784 - Updated: 8/4 - Published: 4/19/2013 - Twilight Sparkle
A Technological Singularity
by 6thfloormadness reviews
AU. How did the Borg Collective come to be? What if the Systems Alliance had the Borg as allies during The First Contact War?
Crossover - StarTrek: Voyager & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 125,777 - Reviews: 479 - Favs: 651 - Follows: 747 - Updated: 6/21 - Published: 10/3/2011
Infinite Diversities: Book One
by Gentleman Bystander reviews
First in a series of overlapping stories, this tale follows everyone's favorite inter-species couple in a very very VERY AU setting where the Eugenics War went decidely different and first contact was much earlier.
StarTrek: Enterprise - Rated: T - English - Drama/Sci-Fi - Chapters: 73 - Words: 542,547 - Reviews: 508 - Favs: 194 - Follows: 209 - Updated: 4/25 - Published: 3/29/2012 - [C. Tucker, T'Pol] [E. Hernandez, J. Archer]
Saruman of many Devices
by Saphroneth reviews
Alone of every power in Middle-Earth, Saruman innovates, notably gunpowder. But he lost. What if he had a little help? Actually a cross-over between LOTR and the General series by David Drake. Uses both book and movie elements.
Crossover - Lord of the Rings & Book X-overs - Rated: T - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 130,580 - Reviews: 475 - Favs: 1,187 - Follows: 1,164 - Updated: 4/3 - Published: 11/20/2011 - Saruman
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: 1825 - Favs: 4,995 - Follows: 5,893 - Updated: 3/1 - Published: 5/7/2013
Following the Phoenix
by hezzel reviews
A single-/dual-point-of-departure spinoff from Less Wrong's brilliant story "Harry Potter and the Methods of Rationality", branching away in Chapter 81. Hermione is sent to Azkaban, but Harry is not about to give up. Unfortunately, it doesn't look like his enemy is about to leave things alone either.
Harry Potter - Rated: T - English - Drama/Fantasy - Chapters: 37 - Words: 260,387 - Reviews: 307 - Favs: 427 - Follows: 438 - Updated: 8/21/2015 - Published: 8/21/2014 - Harry P., Hermione G., Albus D., Q. Quirrell - Complete
The Perils of Innocence
by avidbeader reviews
AU. In an institute to help children with psychological issues, a child is abandoned by his guardians because he does extraordinary things. Rather than fear him, the doctors work to help him try to control this ability. They discover other children with these incredible powers. And then odd letters arrive one summer day. Rating will probably go up later. Eventual H/Hr.
Harry Potter - Rated: K - English - Drama - Chapters: 32 - Words: 93,994 - Reviews: 2929 - Favs: 4,901 - Follows: 6,608 - Updated: 7/9/2015 - Published: 8/14/2012 - Harry P., Hermione G.
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 Fridays.
Crossover - Harry Potter & Dungeons and Dragons - Rated: T - English - Chapters: 72 - Words: 301,307 - Reviews: 5457 - Favs: 4,419 - Follows: 5,062 - Updated: 2/27/2015 - Published: 5/7/2012
Firebird's Fury: Book III of the Firebird Trilogy
by Darth Marrs reviews
They had a plan, formulated from before they were even born. That plan died. From its ashes rises a Harry Potter no longer willing, or able, to let others fight his battles for him. Outgunned, outclassed, outmatched, nonetheless Harry will take up the sword to change not only Britain, but the world.
Harry Potter - Rated: M - English - Drama/Fantasy - Chapters: 36 - Words: 168,312 - Reviews: 1720 - Favs: 1,676 - Follows: 1,410 - Updated: 1/24/2015 - Published: 5/24/2014 - Harry P., Luna L. - Complete
by thebluninja reviews
Heavily AU. Thanks to a cold, humanity never discovers the Prothean ruins on Mars, and barely develops Mass Effect technology. They step out onto the galactic stage after the Reapers have harvested every other species, and find the crumbs left behind by the turians, asari, and salarians. Now they must adapt to fight a foe who won't be seen for far longer than human history.
Mass Effect - Rated: T - English - Adventure/Drama - Chapters: 13 - Words: 71,334 - Reviews: 331 - Favs: 1,072 - Follows: 1,254 - Updated: 12/21/2014 - Published: 5/27/2013
Ace In The Hole
by tiptonskin reviews
This is my first attempt at writing a story in a long time, but i have had this going on in my head since the show went off air... its mainly SGA but SG1 characters will be included oh and it probably will become a bit of a slash/fic... hope u like.
Stargate: Atlantis - Rated: K+ - English - Chapters: 67 - Words: 156,750 - Reviews: 127 - Favs: 49 - Follows: 83 - Updated: 10/28/2014 - Published: 2/21/2011 - John S.
by Crazy Mishka reviews
After the war a paranoid Harry Potter discovers something amiss, and sets out to find and hopefully save Hermione Granger. Due to circumstances beyond his control, time throws in a twist.
Harry Potter - Rated: T - English - Friendship/Family - Chapters: 6 - Words: 48,113 - Reviews: 225 - Favs: 565 - Follows: 823 - Updated: 7/28/2014 - Published: 7/5/2011 - Harry P., Hermione G.
The Effect of Diaspora
by ReaderMike reviews
In 2157 PD, A Turian patrol attacked a newly discovered race for attempting to activate a prime relay. Unfortunately, the race in question had been in space nearly as long as the Asari have. Unlike the Asari, this wasn't a race of diplomats. This race had a fleet far more vast than the combined citadel races, and the Turians managed to piss them off. Eventual Slash.
Crossover - Mass Effect & Honor Harrington - Rated: M - English - Sci-Fi - Chapters: 14 - Words: 48,579 - Reviews: 403 - Favs: 789 - Follows: 948 - Updated: 1/30/2014 - Published: 8/21/2012 - Shepard (M)
Dawdling at the Window
by The Island Hopper reviews
Jane Banks, aged an extraordinary 102 years old, receives an unexpected visitor just when she needs it most. Mostly book-based.
Mary Poppins - Rated: K - English - Family - Chapters: 1 - Words: 4,279 - Reviews: 10 - Favs: 20 - Follows: 6 - Published: 1/1/2014 - Mary P., Jane B.
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: 111 - Favs: 363 - Follows: 156 - Updated: 12/12/2013 - Published: 9/3/2013 - Kyle Reese, Sarah Connor, The Terminator, Skynet - Complete
And the Meek Shall Inherit the Galaxy
by Full-Paragon reviews
Due to a shift in turian and quarian patrols, first contact for humanity is friendly; Rael'Zorah and Hannah Shepard become friends, as do their species. But the galaxy is not a safe place, and schisms develop when the Council steps in. As humanity finds new allies among the stars, something darker stirs. The Meek must beware, for it is nearly harvest time. AU, lots of worldbuilding
Mass Effect - Rated: T - English - Sci-Fi/Family - Chapters: 49 - Words: 232,286 - Reviews: 3584 - Favs: 2,669 - Follows: 2,104 - Updated: 11/16/2013 - Published: 3/31/2013 - Tali'Zorah, Shepard (M), Hannah S., Rael'Zorah - Complete
Error of Soul
by Materia-Blade reviews
OOtP Mid Year. Every now and then throughout wizarding history, a pair of individuals very close to one another find that their magic has grown attached. A bond is formed. A Soul Bond. And may hell burn the idiot who ever thought having one was a 'good' thing! A Soul Bond story done 'right.' No bashing. A Harry and Hermione love and war story.
Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 7 - Words: 83,309 - Reviews: 686 - Favs: 1,029 - Follows: 1,531 - Updated: 8/29/2013 - Published: 9/2/2012 - Harry P., Hermione G.
Firebird's Son: Book I of the Firebird Trilogy
by Darth Marrs reviews
He stepped into a world he didn't understand, following footprints he could not see, toward a destiny he could never imagine. How can one boy make a world brighter when it is so very dark to begin with? A completely AU Harry Potter universe.
Harry Potter - Rated: M - English - Drama - Chapters: 40 - Words: 172,506 - Reviews: 3705 - Favs: 3,997 - Follows: 3,217 - Updated: 8/24/2013 - Published: 10/21/2012 - Harry P., Luna L. - Complete
by Meteoricshipyards reviews
My 2010 Nanowrimo story. A crossover between Harry Potter and Advanced Dungeons and Dragons. Harry ends up in an ADnD world at a young age. Trained as a Ranger, when Dumbledore gets him back he's not a little boy any more.
Crossover - Harry Potter & Dungeons and Dragons - Rated: T - English - Adventure - Chapters: 10 - Words: 66,306 - Reviews: 662 - Favs: 1,664 - Follows: 1,950 - Updated: 8/20/2013 - Published: 11/1/2011 - N. Tonks
Knowledge is Useful, But Power is Power
by DisobedienceWriter reviews
Harry and Hermione are gifted a handwritten book at the beginning of Fourth Year. A book that reveals horrible truths about the world they live in. Prepare for a tougher Harry and a battle focused on the Ministry.
Harry Potter - Rated: T - English - Adventure - Chapters: 8 - Words: 93,462 - Reviews: 1326 - Favs: 3,441 - Follows: 2,623 - Updated: 7/28/2013 - Published: 6/13/2012 - Complete
by AnnaDruvez reviews
Ba'al tells SG-1 what he really thinks of their chances in their 'war' with the Goa'uld. Rated 'T' for truth. - Rating bumped to M: bad language, blood, mentions of torture.
Stargate: SG-1 - Rated: M - English - Romance - Chapters: 10 - Words: 41,813 - Reviews: 32 - Favs: 82 - Follows: 78 - Updated: 6/25/2013 - Published: 7/5/2012 - [Ba'al, S. Carter]
Harry amidst the Vaults of Stone
by NothingPretentious reviews
Following the fall of Voldemort, it is up to the Gringotts goblins to carry out the terms of the Potters' will. What will happen when young Harry Potter - halfblood, Parselmouth, curse-scarred, outsider - is raised in the stalagmite city of Underfoot?
Harry Potter - Rated: T - English - Adventure/Fantasy - Chapters: 28 - Words: 157,245 - Reviews: 2039 - Favs: 3,407 - Follows: 4,098 - Updated: 5/24/2013 - Published: 2/23/2011 - Harry P.
Harry Potter and the Next Great Adventure
by AmateurFanfic reviews
The war is over, and the sheep of the wizarding world have once again begun to turn their backs on him. In hopes of avoiding the hostility of the public and the greed of the Ministry, Harry embarks on a journey that will take him to a new life. Repost ch
Crossover - Stargate: SG-1 & Harry Potter - Rated: M - English - Adventure/Sci-Fi - Chapters: 14 - Words: 121,781 - Reviews: 1101 - Favs: 2,735 - Follows: 3,202 - Updated: 5/13/2013 - Published: 9/9/2009 - S. Carter, Harry P.
Stargate SG-1: Maybourne Unleashed
by BajaB reviews
What if Harry Maybourne had been more effective? Stargate SG-1, with a little bit more emphasis on acquiring technology to use. Starts from the season one Episode Enigma and generally follows canon timeline. Highlights only, not full story dialogs and scenes. Fill in the gaps yourselves. :)
Stargate: SG-1 - Rated: K - English - Chapters: 3 - Words: 22,793 - Reviews: 108 - Favs: 434 - Follows: 190 - Updated: 4/29/2013 - Published: 4/20/2013 - Complete
The Well Groomed Mind
by Lady Khali reviews
On Halloween 1994, Harry learns his mind isn't his own. On Samhain morn, he vows to question everything. Armed with logic and an unlikely ally, Harry makes a last ditch bid to reclaim his life. The goal: survive at all costs. On Hiatus.
Harry Potter - Rated: T - English - Drama - Chapters: 27 - Words: 183,000 - Reviews: 3230 - Favs: 6,089 - Follows: 6,597 - Updated: 4/9/2013 - Published: 5/29/2012 - Harry P.
On the Wings of Dragons
by Bobmin356 reviews
The Weyr prepares for the step of going public against the backdrop of heightening international tensions and increasingly complex personal issues. And is Britain really secure now that the Ministry has been conquered? Sequel to The Queen Who Fell to Earth. Harry/Hr/OCF
Crossover - Harry Potter & Dragonriders of Pern series - Rated: M - English - Drama/Sci-Fi - Chapters: 19 - Words: 365,930 - Reviews: 2181 - Favs: 2,648 - Follows: 1,809 - Updated: 4/7/2013 - Published: 6/5/2012 - Harry P. - Complete
Her Body's Plaything
by Blackhole1 reviews
The Artifact has fired and the Queen of Blades has been defeated. The war, however, is far from over. A 'Novelization' of Heart of the Swarm.
StarCraft - Rated: T - English - Sci-Fi/Adventure - Chapters: 105 - Words: 276,713 - Reviews: 816 - Favs: 360 - Follows: 241 - Updated: 4/4/2013 - Published: 8/17/2011 - Sarah K. - Complete
by linkhyrule5 reviews
Sometimes, you were right the first time. The decision won't change, no matter how much you think about it. And in the end... you can call yourself good, or not. Recursive fanfiction for Harry Potter and the Methods of Rationality. Spoilers for Chap. 85.
Harry Potter - Rated: K+ - English - Chapters: 1 - Words: 1,232 - Reviews: 34 - Favs: 69 - Follows: 34 - Published: 12/17/2012 - Harry P. - Complete
The Queen who fell to Earth
by Bobmin356 reviews
Forced to compete and abandoned by his friends, he steps from the tent with only one goal in mind, suicide. Instead Harry awakens a power that spans time and space and starts a war between the worlds.
Crossover - Harry Potter & Dragonriders of Pern series - Rated: M - English - Drama/Sci-Fi - Chapters: 18 - Words: 302,411 - Reviews: 2468 - Favs: 4,598 - Follows: 2,475 - Updated: 3/26/2012 - Published: 11/28/2011 - Harry P. - Complete
by andrewjameswilliams reviews
Joint fic with Keiran Halcyon and Wolf of Dawn. An AU reimagination of Stargate SG-1.
Stargate: SG-1 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 8 - Words: 78,256 - Reviews: 381 - Favs: 968 - Follows: 939 - Updated: 2/28/2012 - Published: 11/12/2010
Stargate: New Frontier
by andrewjameswilliams reviews
AU Stargate. What could have happened if the stargate had never been discovered. How would things be different for Humanity and the Goa'uld when they finally meet.
Stargate: SG-1 - Rated: K+ - English - Chapters: 13 - Words: 82,722 - Reviews: 335 - Favs: 628 - Follows: 687 - Updated: 12/14/2011 - Published: 3/1/2008
The Missing Spark
by The Island Hopper reviews
As an adult, Calvin had lived his life on his own terms, following his own rules. Now with the death of his father, he is called back to his childhood home once more to face his demons and reconnect with old friends, even ones that aren't human. Complete.
Calvin & Hobbes - Rated: T - English - Drama/Friendship - Chapters: 13 - Words: 41,297 - Reviews: 149 - Favs: 263 - Follows: 122 - Updated: 9/8/2011 - Published: 6/23/2010 - Complete
by ShaperV reviews
Sakura thought she was a capable kunoichi until she died in the Chuunin Exam. Now she's stuck in a loop, dying again and again while she struggles to understand her strange predicament. How hard can it be to pass one stupid test? Sakura/Naruto/Hinata
Naruto - Rated: M - English - Adventure/Romance - Chapters: 31 - Words: 203,939 - Reviews: 3332 - Favs: 5,280 - Follows: 2,669 - Updated: 5/20/2011 - Published: 7/5/2009 - Sakura H. - Complete
Harry Potter: Dark Memories
by Blueowl reviews
Voldemort didn't just give Harry some of his powers that night. He gave him all of his memories. With them, his allies and friends, Harry shall change the Wizarding World like no one ever before. LightHarry. GoodDumbledore. Chaotic magic. COMPLETE!
Harry Potter - Rated: T - English - Adventure - Chapters: 57 - Words: 301,128 - Reviews: 4404 - Favs: 7,064 - Follows: 3,468 - Updated: 7/14/2010 - Published: 7/13/2007 - Harry P. - Complete
XSGCOM: Mirror Image
by Hotpoint reviews
Crossover between SG1 and XCOM. As Earth fights against two separate extraterrestrial threats the defenders join forces and the tables are turned.
Crossover - Stargate: SG-1 & X-Com - Rated: T - English - Adventure - Chapters: 52 - Words: 349,026 - Reviews: 674 - Favs: 815 - Follows: 424 - Updated: 12/30/2009 - Published: 7/2/2007 - Complete
The Best Seven Years
by Blu Taiger reviews
Calvin is eighteen and living in England with his folks. Now, he's faced with the task of telling Susie what he's been doing for the past seven years.
Crossover - Harry Potter & Calvin & Hobbes - Rated: K+ - English - Humor/Adventure - Chapters: 20 - Words: 90,344 - Reviews: 340 - Favs: 557 - Follows: 215 - Updated: 8/15/2009 - Published: 1/19/2006 - Luna L., Calvin, Susie Derkins - Complete
Theories About Nuclear Winter
by hollycomb reviews
When Calvin finally sorts out his feelings for Susie, his timing is not great.
Calvin & Hobbes - Rated: K+ - English - Romance/Drama - Chapters: 1 - Words: 18,948 - Reviews: 110 - Favs: 402 - Follows: 30 - Published: 2/28/2009 - Complete
No Thank You
by Sarah1281 reviews
What if the Dursley family had taken the more practical route of treating Harry kindly in order to keep him away from magic? What if it worked? What if he wants nothing to do with the wizarding world and Dumbledore has to solve his own problems for once?
Harry Potter - Rated: K+ - English - Humor - Chapters: 1 - Words: 5,608 - Reviews: 329 - Favs: 1,603 - Follows: 296 - Published: 11/22/2008 - Harry P., Albus D. - Complete
by Ruskbyte reviews
Harry Potter has just received his Hogwarts letter, but really doesn’t want to go. After all, who would want to live on a planet? Especially one where the natives think nuclear energy is high science. And let’s not forget the 42,000 lightyear commute.
Harry Potter - Rated: M - English - Chapters: 7 - Words: 72,186 - Reviews: 1304 - Favs: 2,774 - Follows: 3,028 - Updated: 9/30/2008 - Published: 1/1/2008 - Harry P.
by Ten Toes reviews
REVISED. one-shot told by Lucius Malfoy. What might happen if the Death Eaters got what they wished for…
Harry Potter - Rated: K - English - Chapters: 1 - Words: 7,964 - Reviews: 288 - Favs: 1,937 - Follows: 371 - Published: 6/28/2008 - Lucius M. - Complete
by Meteoricshipyards reviews
7 year old Luna wants a husband, and she wants one now. With the unintended help of her befuddled father, she kidnaps Harry Potter. Idea and 1st chapter by Roscharch's Blot
Harry Potter - Rated: T - English - Humor - Chapters: 21 - Words: 195,952 - Reviews: 2155 - Favs: 4,313 - Follows: 1,931 - Updated: 1/14/2008 - Published: 5/2/2006 - Harry P., Luna L. - Complete
A Year with Q
by Morena Evensong reviews
Q loses a bet with his son. Now he must pretend to be a sixth year student at Hogwarts without using any of his powers. How will Hogwarts react to the new student? Will Q survive the year? x-over with Star Trek: TNG and Voyager.
Crossover - StarTrek: The Next Generation & Harry Potter - Rated: K+ - English - Humor/Sci-Fi - Chapters: 43 - Words: 154,373 - Reviews: 696 - Favs: 490 - Follows: 327 - Updated: 8/2/2007 - Published: 6/9/2004 - Q
The Heir of Magic
by DisobedienceWriter reviews
Year 7. Harry Potter is coming into his magical maturity as he turns 17…but the stronger he grows, the less sane he feels. What will happen to Harry as he prepares to face Voldemort in the final battle?
Harry Potter - Rated: T - English - Adventure/Supernatural - Chapters: 1 - Words: 44,628 - Reviews: 239 - Favs: 1,419 - Follows: 317 - Published: 5/21/2007 - Complete
When All Your Dreams Come True
by Atiaran reviews
AU during the First Season. Zuko has finally captured Aang and returned to the Fire Nation. He couldn't be happier. Really, he couldn't. Warning: Very dark. Rated M for violent themes.
Avatar: Last Airbender - Rated: M - English - Angst - Chapters: 1 - Words: 10,273 - Reviews: 97 - Favs: 283 - Follows: 41 - Published: 7/9/2006 - Zuko - Complete