228 On the Bounce » After the end of the Second Wizarding War, Harry decides that he is done with the Wizarding World, and Hermione goes with him. Welcome to the Mobile Infantry. Crossover with Starship Troopers Book. AU. Chapter 11 up
Harry Potter & Starship Troopers, M, English, chapters: 11, words: 17k+, favs: 593, follows: 783, updated: 12/1/2020 published: 7/13/2016, Harry P., Hermione G.
117 Ship of The Line – Effect 31 » Bored with how things are going to play out, Janus interferes more directly in Halloween, making things more interesting and changing the course of the entire Galaxy. (Buffy/Star Trek/Mass Effect) - Chapter 11 up
Buffy: The Vampire Slayer & Mass Effect, M, English, Sci-Fi & Adventure, chapters: 12, words: 21k+, favs: 422, follows: 569, updated: 11/14/2020 published: 10/16/2019, Xander H., Buffy S., Willow R.
880Code of the Griffin » From a war ravaged future, someone is sent back in time to change the course of the war. Chapter 47 now up
Harry Potter, M, English, chapters: 48, words: 90k+, favs: 1k+, follows: 1k+, updated: 10/12/2020 published: 1/21/2010, Harry P., Hermione G.
1k+Retrograde » Harry's trial before fifth year goes differently because someone knows more than they should about Harry. Time Travel Fic. Chapter 28 up.
Harry Potter, M, English, chapters: 28, words: 40k+, favs: 3k+, follows: 5k+, updated: 8/1/2020 published: 6/27/2016, [Harry P., Amelia B.]
12 Rogue's Hunter Rewrite » After losing everything at Graduation, Xander finally finds his power and it still marks him as an outcast. Now he must travel clear across the country to find a place where he will fit in, and maybe even a new family. Chapter 2 up.
Buffy: The Vampire Slayer & X-Men: The Movie, M, English, chapters: 2, words: 4k+, favs: 88, follows: 114, updated: 7/26/2020 published: 7/2/2020, Xander H., Rogue
262Instinctive Behaviour » Harry gets cold waiting on the front porch of number 4 as a baby, so he does something to get warmer, which changes things immensely (Animagus young Harry, no living with the Dursleys) Chapter 5 up
Harry Potter, M, English, chapters: 5, words: 7k+, favs: 1k+, follows: 1k+, updated: 6/24/2020 published: 7/29/2018, Harry P., Hermione G., Su L.
207 Victory or Death » Four Hundred Thousand players log into the much anticipated Warhammer 40K Apocalypse Online, only to find themselves trapped inside with no way out. 40K SAO crossover. Chapter 52 up.
Warhammer & Sword Art Online/ソードアート・オンライン, M, English, chapters: 52, words: 92k+, favs: 459, follows: 496, updated: 6/20/2020 published: 4/19/2014
424Unusual Inheritance » While staying at the Leaky Cauldron after his 'incident' with Marge, Harry finds out that he has an unusual inheritance. One that could change the course of his life forever. Chapter 9 up!
Harry Potter, M, English, chapters: 9, words: 14k+, favs: 1k+, follows: 2k+, updated: 6/13/2020 published: 11/9/2015, Harry P., Hermione G., Hannah A., Su L.
10Stalker Effect » When he boards the Normandy for the first time Shepard is more than just an N7, he is part of one of the best military teams in the Galaxy. One that is more deadly than anyone knows, mostly because very few people even know it exists let alone what it is capable of. Not a crossover with anything else. Chapter 4 up
Mass Effect, M, English, Adventure & Sci-Fi, chapters: 4, words: 5k+, favs: 111, follows: 134, updated: 6/2/2020 published: 2/24/2020, Tali'Zorah, Shepard
176 Ship of the Line: Walk in Dark Places » Answer to the Ship of the Line Challenge on TTH. The Scoobies dress as people who walk in dark places and do what must be done. Chapter 14 up
Babylon 5 & Buffy: The Vampire Slayer, M, English, chapters: 14, words: 22k+, favs: 520, follows: 693, updated: 5/16/2020 published: 8/11/2014, Xander H., Buffy S., Cordelia C., Willow R.
20Beaches that go on Forever » Jack and Sam get stranded alone on a Tropical planet. Now they just have to survive until they are rescued. Replaces episode '100 days'. Chapter 3 up
Stargate: SG-1, M, English, chapters: 3, words: 5k+, favs: 42, follows: 93, updated: 4/15/2020 published: 12/31/2014, S. Carter, J. O'Neill
150 The Hogwarts Effect » Harry Potter is not raised by his Aunt, instead he is raised by his Mother's Cousin and his friends on a little ship called the Normandy. Harry Potter Mass Effect Crossover. Chapter 10 up!
Harry Potter & Mass Effect, M, English, Adventure & Sci-Fi, chapters: 10, words: 15k+, favs: 649, follows: 873, updated: 2/8/2020 published: 8/19/2017, Harry P., Hermione G., Tali'Zorah, Shepard
45The Black Knights » When Asuna sees through Kirito's speech after the first Boss fight, she makes a decision that changes the fortunes of many. Chapter 2 up
Sword Art Online/ソードアート・オンライン, M, English, Adventure, chapters: 2, words: 3k+, favs: 339, follows: 372, updated: 6/16/2019 published: 11/18/2015, Kirito/Kazuto K., Asuna/Asuna Y.
9A Shepard in the Wilderness » A retelling of the Mass Effect saga where Shepard forges her own path and takes command of the Galaxy, and some of her crew, in her own way. Earthborn, Sole Survivor Fem Shep. Strong Violence and Coarse Language. Chapters 3 up.
Mass Effect, M, English, Adventure & Sci-Fi, chapters: 3, words: 5k+, favs: 65, follows: 85, updated: 3/28/2019 published: 8/8/2017, J. Garson
2k+Strings of Fate » Being raised only by his Aunt, Harry comes to Hogwarts not only knowing about the Wizarding World, but with a kind of training no one at the school is expecting. Chapters 38 up
Harry Potter, M, English, chapters: 38, words: 57k+, favs: 7k+, follows: 9k+, updated: 3/16/2019 published: 2/10/2013, Harry P., Hermione G., N. Tonks, Susan B.
11 EVA Team and the Mass Effect » Instead of Shepard, a team of three N7's who had tested biomechanical suits were selected as Humanities candidates for Spectre status. A fiery redhead, an ice cool albino and a brown haired man. Mass Effect/Neon Genesis Evangelion cross. Chapter 2 up.
Evangelion & Mass Effect, M, English, chapters: 2, words: 3k+, favs: 78, follows: 99, updated: 12/21/2018 published: 8/6/2018, Shinji I., Rei A., Asuka L. S.
337Reset » Everything in Harry Potter's life is not what it seems – inspired by zerohour20xx's Harry Potter the Game: Epic Edition - Chapter 7 up
Harry Potter, M, English, Adventure & Sci-Fi, chapters: 7, words: 11k+, favs: 1k+, follows: 2k+, updated: 10/14/2018 published: 3/31/2013, Harry P., Hermione G.
104The Sunnydale Chronicles » Life is a computer Game, and Sunnydale is the arena, but it is not the Slayer or a Demon who has the ability to decide its fate. Chapter 9 Up
Buffy: The Vampire Slayer, M, English, Adventure, chapters: 9, words: 15k+, favs: 406, follows: 500, updated: 6/18/2018 published: 2/4/2017, Xander H., Cordelia C., Faith L., Tara M.
106Empowerment » While waiting in the Forbidden Forrest during Third Year, Harry and Hermione meet a pair of visitors who change the course of… everything. (Chapter 2 up.)
Harry Potter, M, English, Adventure & Supernatural, chapters: 2, words: 3k+, favs: 369, follows: 541, updated: 12/19/2017 published: 12/17/2017, Harry P., Hermione G.
167Venom, Tears and Potions » Events during Second Year have far reaching consequences that no one could have foreseen. Chapter 5 up
Harry Potter, M, English, chapters: 5, words: 8k+, favs: 793, follows: 1k+, updated: 7/10/2017 published: 1/25/2014, Harry P., Hermione G.