Halo and Mass Effect Crossovers
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Reclamation: Rise of an Empire by GhostWriterConsortium reviews
Humanity has survived much but Now is the time of their rise to power. To reclaim what was lost and ensure that nothing can ever threaten them again. With new technology and new worlds to discover. They will encounter new challenges and new enemies. While the council of citadel races will find themselves in the path of a rising giant. ON HOLD ! ! ! (for the time being.)
Rated: M - English - Sci-Fi - Chapters: 2 - Words: 4,947 - Reviews: 24 - Favs: 94 - Follows: 138 - Updated: 11/4/2015 - Published: 12/20/2014
Challenge: The Second Humanity by CorpesKing reviews
While searching for resources to sustain their people the Quarians discover a long lost relay hidden on the very edge of the galaxy. May the gods have mercy, for the USSC shall show non to any who threaten there new allies the Reapers have been warned.
Rated: M - English - Adventure - Chapters: 3 - Words: 3,338 - Reviews: 36 - Favs: 136 - Follows: 195 - Published: 10/30/2015 - Tali'Zorah
Sierra Shepard by NilioJ13 reviews
*Sequel to Synthesis Shepard and Sanctified Shepard* 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.
Rated: M - English - Sci-Fi/Romance - Chapters: 36 - Words: 65,312 - Reviews: 21 - Favs: 53 - Follows: 49 - Updated: 10/25/2015 - Published: 8/1/2014 - [Miranda L., Shepard] Master Chief/John-117, Cortana - Complete
Halo The Evolution Continues by UNSpaceCommand reviews
First time Crossover. Constructive Critic welcome. Enjoy and pls Review. Chapter 27 is up. A long lost ship is returning home but it seems fate have a decision to make a mess of things. Looking for Beta Reader. On Haitus
Rated: T - English - Sci-Fi - Chapters: 27 - Words: 56,469 - Reviews: 323 - Favs: 492 - Follows: 551 - Updated: 10/14/2015 - Published: 9/22/2011
The Spirit of Thessia by NewWorldFiction reviews
For several decades the Spirit of Fire has lumbered through the empty void to find not the UNSC, but something terrible: The destruction of the newly space faring civilization of the Asari by the hands of the Batarian Hegemony, a slaver species. Now, forced into a war that is impossible to win, the crew will face insurmountable odds against a enemy that cannot be beat. One-shot.
Rated: T - English - Chapters: 2 - Words: 14,755 - Reviews: 44 - Favs: 229 - Follows: 150 - Updated: 10/12/2015 - Published: 7/29/2015 - Complete
Of Ancients and Giants by Mediam Noctem reviews
The war is over. Billions are dead. Hundreds of planets are forever tainted. In this grim, hopeless future, humanity finds itself fighting day-by-day for the right to exist in a universe that shows no mercy. Yet things only get more complicated with the arrival and invasion of a new species of aliens who expose humanity to a much larger galaxy... and greater Evil. (AU Post-Halo 3)
Rated: T - English - Sci-Fi - Chapters: 4 - Words: 24,395 - Reviews: 56 - Favs: 135 - Follows: 184 - Updated: 10/10/2015 - Published: 7/17/2015 - Fred-104, J. Locke, J. Garson
The ORION variable by DragoonFRC3352 reviews
Basically AU from Halo 4 onward, though their is some mention of Hunt the Truth. If you are not high school aged or younger, do not enter, and if you do, do not complain to me.
Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 8,212 - Reviews: 20 - Favs: 72 - Follows: 106 - Updated: 9/17/2015 - Published: 8/1/2015 - Ashley W., Liara T'Soni, Miranda L., Shepard
The Signal by NewWorldFiction reviews
A single world lies a mere 1000 light years from earth. It's a garden world, just like any other. Except for one thing: there's A signal. Mini One-shot. Possible to longer and more detailed rewrite.
Rated: T - English - Mystery/Tragedy - Chapters: 1 - Words: 892 - Reviews: 20 - Favs: 55 - Follows: 34 - Published: 9/12/2015 - Liara T'Soni - Complete
Heart of the Storm by Cypherian 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. (Alternate Universe)
Rated: T - English - Adventure/Romance - Chapters: 14 - Words: 24,947 - Reviews: 100 - Favs: 267 - Follows: 357 - Updated: 8/30/2015 - Published: 3/4/2015 - SPARTAN-B312/Noble Six, Garrus V., Tali'Zorah, Shepard
Shattered Universes by General MB reviews
Ch 12: Commander Shepard tries to sell his origin story to the people of Earth and Reach, while Halsey and Mordin's plan hits a snag. The Master Chief and his spartans are given a secret mission, as pieces start to fall into position. Events are occurring that will shape everything else that is to come.
Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 86,373 - Reviews: 321 - Favs: 364 - Follows: 448 - Updated: 8/24/2015 - Published: 1/3/2011 - [Tali'Zorah, Shepard] Master Chief/John-117, J. Keyes
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: 19 - Words: 63,444 - Reviews: 161 - Favs: 383 - Follows: 509 - Updated: 8/19/2015 - Published: 2/19/2014 - Jorge-052/Noble Five, Illusive Man, Harbinger, Shepard
From Hell To Hell by mcknight93 reviews
Set around the beginning of Mass Effect 2 timeline, the Normandy SR-2 finds the Forward Unto Dawn. How will the Mass Effect universe change when the Master Chief is involved? All chapters have been rewritten and reposted with much improvements. The awesome picture rightfully belongs to: KnytGrey on deviantart.
Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 92,691 - Reviews: 345 - Favs: 864 - Follows: 948 - Updated: 8/12/2015 - Published: 7/9/2011 - Master Chief/John-117, Shepard
The Joining of Worlds-Part 1: No, I think were just getting started by Jaye Wolf reviews
Cortana and The Master Chief float aimlessly through space. What happens when a foe turned friend tells Cortana about the world they left behind. A Human/Covenant unity called the Systems Alliance, the wonders of their technology, and the discovery of a Prothean Archive on Mars. This new ally also speaks of another group of races under the banner of the Citadel Council.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 32,913 - Reviews: 93 - Favs: 345 - Follows: 452 - Updated: 8/7/2015 - Published: 7/24/2015 - Master Chief/John-117, Cortana, J. Garson, Shepard
Mass Effect: The Human-Covenant War by Shepard2189 reviews
Commander Shepard uncovered the Reaper threat during the last few years of the Human-Covenant War. After Shepard killed Saren and stopped the Collectors, he is recruited by Admiral Hackett to be part of a special mission for the UNSC. This mission is the start of humanity's war with the Reapers, and the final months of the war with the Covenant. Covers ME3, and Halo: CE to Halo 3
Rated: M - English - Sci-Fi - Chapters: 3 - Words: 11,164 - Reviews: 2 - Favs: 16 - Follows: 20 - Updated: 8/7/2015 - Published: 4/3/2015 - Master Chief/John-117, Shepard
ODST In A New Universe by InfernoKnightmare reviews
A ODST arrives in a new Universe find out in this adventure.
Rated: M - English - Sci-Fi/Romance - Chapters: 3 - Words: 10,809 - Reviews: 1 - Favs: 11 - Follows: 18 - Published: 7/24/2015 - [OC, J. Garson]
Of Our Time by Korten reviews
On the day of the 100th anniversary of the conclusion of the Great War, a lone ONI agent is sent to retrieve an artifact and bring it back to the ONIRF, Trevelyan. However what lies inside is something unexpected, ancient and alien. Join ONI Agent Garret Elphick along with his mysterious companion as they solve the greatest mystery of his time. Where did the Master Chief go?
Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 49,099 - Reviews: 26 - Favs: 56 - Follows: 93 - Updated: 7/9/2015 - Published: 4/6/2015 - Master Chief/John-117, OC, OC
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: 9 - Words: 63,195 - Reviews: 53 - Favs: 116 - Follows: 159 - Updated: 7/8/2015 - Published: 2/23/2015
Imperium: Trails of the Arcane by I-IRONMAN-I reviews
(Multi-crossover) The Great Galactic War has passed, with the Galactic Empire and ONI's presence diminished in the Milky Way. After his disappearance, Kholo returns in a rampant and deadly search for an ancient Forerunner artifact that can bring back something ancient and arcane. However, there is something much more sinister at work within the shadows.
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 24,985 - Reviews: 2 - Favs: 7 - Follows: 9 - Updated: 7/6/2015 - Published: 1/12/2014 - Arbiter, OC, Saren A.
Conquerors they Rise by JoeTheHighlord reviews
The year is 2650, nearly a century since the end of the Great War and the fall of the Covenant Hegemony. In that time great advances have been made in both technology and society, and the new government of the New Species Alliance enters a golden age. But, there are dark stirrings out in the vastness of space and soon Conquerors must rise again from the ashes of war.
Rated: T - English - Sci-Fi/Suspense - Chapters: 13 - Words: 74,202 - Reviews: 436 - Favs: 768 - Follows: 952 - Updated: 7/2/2015 - Published: 7/16/2013 - T. Hood
Critical Effect - TEASER by Commander Thor reviews
This is the new chapter of my Halo/M-Effect cross over. I have decided to scrap any writing involving other crossovers.
Rated: K - English - Sci-Fi/Mystery - Chapters: 1 - Words: 1,158 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 6/28/2015
The Power of the Grail by Metal4k reviews
The Flood and Reapers have taken world after world, and Commander Shepard and Master Chief are on the edge of their rope to find the Halo Array. As they traverse new space and realities, dark secrets will be revealed that could shatter all they know. The enemy has plans of its own, and even Heroes are hopeless to stop it. Sequel to the "Universe of All Reality"
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 13,513 - Reviews: 17 - Favs: 55 - Follows: 54 - Updated: 6/20/2015 - Published: 5/13/2015 - Master Chief/John-117, Arbiter, J. Garson, U. Wrex
The Lost ODST by TheScholarOfSin reviews
Jacob isn't a Spartan, but he is a damned good ODST, one that is done with the wars that have plagued humanity. How will this ODST react when he is thrown into not only a world that isn't his, but a war as well?
Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 1,315 - Reviews: 6 - Favs: 21 - Follows: 32 - Updated: 6/19/2015 - Published: 6/12/2015 - OC, J. Garson
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: 12 - Words: 35,574 - Reviews: 45 - Favs: 100 - Follows: 159 - Updated: 6/5/2015 - Published: 11/14/2014
Through the Perseus Veil by Istaeionar reviews
Humans are just beginning to establish themselves before the Council and hope to do so with Commander Shepard becoming the first human Spectre. Things go horribly wrong when the Geth, a new alien species, and Cerberus get involved during her first mission on Eden Prime.
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,188 - Reviews: 2 - Favs: 8 - Follows: 6 - Published: 6/3/2015
You Can't Teach An Old Dog New Tricks by DragonsManticoresAndGiantsOhMy reviews
AU Setting. The Terminus is not a place for the weak or timid. It's a way of life as much as a destination or location. Two men with a shared past find themselves crossing paths once more in this harsh setting. Their run in turns into reflection on their lives, careers, and futures. Maybe you can't teach an old dog new tricks, but you can give him something to chew on.
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 14,555 - Reviews: 2 - Favs: 15 - Follows: 6 - Published: 5/31/2015 - A. J. Johnson, Zaeed M. - Complete
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