Halo and Mass Effect Crossovers
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The Fall From Grace by The Wandering Warrior reviews
After the destruction of Requiem, the Covenant Empire collapsed and together with the UEG formed the Systems Alliance. After discovering an unknown cache of hitherto unseen before technology and the discovery of what is to become known as 'Mass Relays' the face of the galaxy will be changed forever.
Rated: T - English - Chapters: 12 - Words: 36,973 - Reviews: 85 - Favs: 227 - Follows: 313 - Updated: 7h ago - Published: 11/11/2013 - Admiral Hackett, Shepard (M)
The Leader and Warrior by KtyouVsWriting reviews
Sangheili Arbiter Thel 'Vadam has fought the Flood and The Prophet of Truth. Commander Jane Shepard has fought the Reapers and the Collectors. Both are leaders, warriors, and survivors, but while the Arbiter knows the price of galactic genocide, the Commander does not. Alternate Universe. Rated M for language, violence, and adult themes. Default Female Shepard, Vanguard, Paragon.
Rated: M - English - Adventure/Romance - Chapters: 22 - Words: 99,117 - Reviews: 274 - Favs: 245 - Follows: 344 - Updated: 3/26 - Published: 10/13/2014 - Arbiter, Shepard (F)
Where Titans Tread by JLake4 reviews
What importance do the machinations of mortals hold? They scheme and plot, but see their actions lead only to death. Whose death is not important, the grave shall still be filled. [Sequel to Divergent Pasts]
Rated: T - English - Sci-Fi/Suspense - Chapters: 9 - Words: 35,449 - Reviews: 28 - Favs: 29 - Follows: 33 - Updated: 3/25 - Published: 2/13 - Arbiter, Garrus V., Shepard (M), OC
The Universe of All Reality by Metal4k reviews
"Where does all evil come from? Where does it originate?" There are forces far more ancient, far darker, than the Reapers and Flood. Peace is over. Commander Sheaprd will be faced with new threats and challenges, ones that can transcend reality, ones older than the Universe itself. Multiverse crossover
Rated: T - English - Mystery/Adventure - Chapters: 41 - Words: 227,430 - Reviews: 412 - Favs: 202 - Follows: 258 - Updated: 3/24 - Published: 4/27/2013 - Master Chief/John-117, Shepard (F)
Beyond Contact: Codex by RiptideZ reviews
The Codex is an informational guide to the "Beyond Contact" universe. It provides information on species, technology, factions, and trivia; the guide will update as the story expands.
Rated: T - English - Sci-Fi - Chapters: 3 - Words: 14,220 - Reviews: 11 - Favs: 20 - Follows: 22 - Updated: 3/24 - Published: 6/4/2014
Desolation by hunter 139 reviews
An ODST awakes in a Pelican crash site on an unknown planet and tries to uncover the fate of his squad. Instead he uncovers something better left buried. Based off of an old Halo 3 machinima. Multi-crossover.
Rated: T - English - Mystery/Suspense - Chapters: 9 - Words: 17,103 - Reviews: 13 - Favs: 8 - Follows: 16 - Updated: 3/24 - Published: 2/19
Sierra Shepard by NilioJ13 reviews
A strange event brings Georgia's son back seconds after his disappearance, but several decades older, in time to face a threat no one could have predicted. (Sequel to Synthesis Shepard and Sanctified Shepard.) *Resuming Weekly Updates*
Rated: M - English - Sci-Fi/Romance - Chapters: 23 - Words: 38,765 - Reviews: 17 - Favs: 17 - Follows: 18 - Updated: 3/22 - Published: 8/1/2014 - Master Chief/John-117, Cortana, Shepard (F), Miranda L.
Heroes of the Stars by Kamzil118 reviews
The Arbiter and an ODST, Farseer Taldeer and Logan of the Ghost squad, and Blackburn of the 1st Recon Marines. All these people find themselves in the Mass Effect Universe with an unexpected way that brings them together. Commander Shepard will need all their help to fight the Reapers. For those who have seen this story before I have rewritten it to fit the Mass Effect 2 setting.
Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 51,280 - Reviews: 54 - Favs: 52 - Follows: 66 - Updated: 3/22 - Published: 7/21/2014 - Arbiter, Rookie, Shepard (F), Tali'Zorah
The Sum is Greater than its Parts by Maersikai reviews
Having long since combined forces, a fleet of the Humans and Covenants finest are torn from the universe they know to be thrown in to a strange and desolate reality. They will strive to uphold the Mantle when faced with a strange set of aliens and humans facing a galactic threat.
Rated: T - English - Sci-Fi - Chapters: 10 - Words: 98,185 - Reviews: 119 - Favs: 248 - Follows: 308 - Updated: 3/22 - Published: 3/2 - T. Hood, Cortana, Shepard (F)
The Spectre and The Shock Trooper by Death Snake reviews
Cerberus has recurited the first human Spectre, but also the only surviving ODST of an Collector attack and he wants some revenge. AU, but the Halo universe year is 2553. I do not own Mass Effect or Halo, I wish through.
Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,109 - Reviews: 4 - Favs: 7 - Follows: 10 - Updated: 3/21 - Published: 1/24 - OC, Jacob T., Shepard (F), Joker
Reclamation: Genesis by DragonsManticoresAndGiantsOhMy reviews
AU. Halo/Mass Effect merged crossover. The galaxy, like much of the universe, is in a constant cycle of birth, destruction and rebirth. No guarantee our civilization is any different. We know others have come before us and perished at their height. What destroyed them? Could it destroy us as well? One human might be our savior, but he needs to grow up a bit first.
Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 165,973 - Reviews: 24 - Favs: 31 - Follows: 44 - Updated: 3/21 - Published: 7/14/2014 - Shepard (M)
Red Cobra by Billybobjoe47s reviews
Last time the UNSC discovered a mysterious alien artifact, the Halos came within seconds of activating. Every problem the UNSC has had in the last 50 years has been because of aliens and their blasted artifacts. So when a newly-surveyed system holds a mysterious artifact, there is great cause for worry. Operation RED COBRA is intended to remedy that worry- by any means necessary.
Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 14,998 - Reviews: 81 - Favs: 256 - Follows: 376 - Updated: 3/20 - Published: 1/6 - Master Chief/John-117, T. Hood
Resonance by SounDemoN reviews
Crossover of Halo, Half-Life and Mass Effect, AU for all three. 27th Century Humanity encounters the Reapers and the Council races, while dabbling in teleportation technology, unknowing of the slumbering beast they would awaken. Rated K for the time being, will be upgraded as needed. I own none of the used existing fictional universes/characters/tech/stuff. Will add a cover later.
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 44,429 - Reviews: 22 - Favs: 61 - Follows: 82 - Updated: 3/20 - Published: 2/23
Into the Void by Kenneth Whit3 reviews
When the Long Night of Solace was destroyed by the most advanced piece of equipment ever jury-rigged by man, it took one of the last Spartan-II's with it. On the other side of that void, Jorge-052 found an unfamiliar universe and a terrifying new enemy, but Commander Shepard found a powerful ally and a new hope for humanity.
Rated: M - English - Sci-Fi/Adventure - Chapters: 14 - Words: 46,844 - Reviews: 112 - Favs: 244 - Follows: 356 - Updated: 3/19 - Published: 2/19/2014 - Jorge-052/Noble Five, Illusive Man, Harbinger, Shepard (M)
Halo-Mass Effect: Codex by Azores reviews
Welcome to the Codex for the Crossover Book, Halo-Mass Effect: Altered Destiny. This Codex is to help get more in depth with the world of this Universe and explore more in depth certain events such as the Fall of Lorek and the Terra Nova Campaign. Enjoy.
Rated: K - English - Chapters: 2 - Words: 5,960 - Reviews: 4 - Favs: 9 - Follows: 15 - Updated: 3/18 - Published: 3/15 - J. Cutter, P. Cole, OC, Aria T'Loak
Diamond in the Rough by Church -Caboose- Shepard reviews
The end of the Reaper war has come and gone. The galaxy is repairing, and its people grieve. However, for Shepard's sole surviving heir, Benese, mysteries from the past, will soon become clear. As she is thrust into yet another ominous presence that may yet again threaten the galaxy. (Start of a) Sequel to The Cycle.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 11,254 - Reviews: 8 - Favs: 6 - Follows: 9 - Updated: 3/18 - Published: 8/15/2014 - [Liara T'Soni, Shepard (M)] Arbiter, OC
Heart of the Storm by Aleixo reviews
Reach has fallen and Noble Six is all that remains on the planet. In a valiant last stand Six mysteriously finds himself in the world of another. How will he come to terms with it? What will he do? Can he overcome his loss and find peace at last? Six pairing is yet to be decided. Plan to span over whole mass effect series and possibly beyond.
Rated: T - English - Adventure/Romance - Chapters: 7 - Words: 10,208 - Reviews: 26 - Favs: 32 - Follows: 53 - Updated: 3/17 - Published: 3/4 - SPARTAN-B312/Noble Six, Garrus V., Tali'Zorah, Shepard (M)
Halo-Mass Effect: Altered-Destiny by Azores reviews
In 2531 during the early years of the Great War, UNSC Spirit of Fire went missing and was declared lost with all hands. But what if the Spirit wasn't lost and adrift in space. What if it was sent to another Galaxy, before the Humans of this Galaxy hadn't discovered a certain set of ruins yet. How will Humanity's future change? How will the Galaxy be changed? Begins in 2100 AD.
Rated: T - English - Sci-Fi - Chapters: 5 - Words: 46,021 - Reviews: 142 - Favs: 293 - Follows: 397 - Updated: 3/14 - Published: 1/25 - J. Cutter, P. Cole, Admiral Hackett, Aria T'Loak
The Next Great Journey by alanvaladez reviews
After the destruction of Requiem and an attack against Earth, both the UNSC and Covenant Separatist form the Systems Alliance. Then a discovery in the Deca-5 system changes everything for all sides. Cold War like conflict before actual war, lots of ONI , AU for Mass Effect and a council that actually thinks before it acts. Story better than summary.
Rated: M - English - Sci-Fi/Drama - Chapters: 12 - Words: 106,668 - Reviews: 134 - Favs: 236 - Follows: 299 - Updated: 3/12 - Published: 9/8/2014 - Master Chief/John-117, OC, Saren A., OC
Mass Effect: Contact by FuzyDr4G0NZ reviews
In 2560, just years after the end of hostilities between the Earth based UNSC and the New Colonial Alliance, the Industrial colony of Falkland is slowly being turned into a Fortress as a defense against the perceived Colonial threat. But within months of his transfer to the colony, Lance Corporal David Campbell will find out first hand whether or not the fortress will hold.
Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 30,407 - Reviews: 92 - Favs: 151 - Follows: 201 - Updated: 3/11 - Published: 5/8/2014 - OC
A Feeling of Importance by LebendenToten reviews
Well, after reading quite a bit of fanfiction I decided that maybe it was finally time for me to try and crank out one of my own. This is going to be a self insert story of sorts that starts in the Halo universe then eventually transitions to Mass Effect. This is my first Fanfic so be nice :P and constructive criticism/suggestions welcome! Rated M mainly for language.
Rated: M - English - Adventure/Friendship - Chapters: 8 - Words: 9,299 - Reviews: 26 - Favs: 29 - Follows: 54 - Updated: 3/11 - Published: 11/6/2014 - Master Chief/John-117, C. Halsey, OC, Shepard (F)
Last of An Ancient Breed: A Side Story to The Last Spartan by Zgamer reviews
A side story to DinoJake's "The Last Spartan" fanfiction following Kyle Nolan, a 2nd Lieutenant in the Orbital Drop Shock Troopers. Events from Kyle's service in the ODST, from Shanxi to intersecting events within the source story, will be recorded as he faces his enemies as much as his own personal demons. UPDATE: 03/08/15 NEW CHAPTER UP!
Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 102,160 - Reviews: 16 - Favs: 43 - Follows: 53 - Updated: 3/8 - Published: 3/19/2013
Gateway Chronicles by Robert Lee reviews
Ever sense the two games Halo and Mass Effect have been out, there have been those that have written cross overs or discussed how the two universes may interact. Gateway Chronicles is my take on that very issue.
Rated: K - English - Sci-Fi - Chapters: 9 - Words: 27,565 - Reviews: 25 - Favs: 58 - Follows: 95 - Updated: 3/6 - Published: 11/14/2014
The Fighting Spirit by smart grid reviews
Spartans never die, they say. When Jorge gave his life to save his home planet of Reach, he never imagined that he would survive. But now he finds himself neck deep in the troubles of another universe; he will do what he has been trained to do, what all Spartans do best: fight.
Rated: T - English - Adventure - Chapters: 32 - Words: 150,178 - Reviews: 553 - Favs: 649 - Follows: 870 - Updated: 3/3 - Published: 12/1/2011 - Jorge-052/Noble Five, Shepard (F)
Mass Effect: Invasion by VR Commando ATA reviews
The final chapter of my Mass Effect storyline. The Reapers have arrived. With so many changes having taken place in one Galaxy, will they be able to stop them? Or will the might of another Galaxy be all they need? The heroes of both join forces to combat what has harvested the galaxy for thousands of millennium. Sequel to Mass Effect: GHOSTs.
Rated: T - English - Adventure - Chapters: 7 - Words: 25,375 - Reviews: 12 - Favs: 21 - Follows: 23 - Updated: 3/2 - Published: 9/13/2014 - Master Chief/John-117, Shepard (F), Shepard (M)
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