Halo and Mass Effect Crossovers
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The Dawn's Legacy by lethalassistant reviews
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth." ― Niels Bohr/ Set after the events of Halo 3 the Dawn is found adrift in space by a UNSC vessel. After retrieving chief and his A.I companion they return back to earth to find it different then the one they left. Rating may change in the future.
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 27,871 - Reviews: 83 - Favs: 119 - Follows: 181 - Updated: 6/9/2014 - Published: 12/1/2012
The Hacksaw by StarSerpent reviews
Wrex, Tali, and Garrus meet the human feared by even the Arbiter. The Hacksaw. A humor/parody oneshot, give it a read.
Rated: T - English - Humor/Parody - Chapters: 1 - Words: 788 - Reviews: 9 - Favs: 24 - Follows: 11 - Published: 6/3/2014 - Arbiter, Shepard, Dr. Chakwas - Complete
A Tale of Four Stars by lnsanity reviews
Halo/ME/Star Wars/Warhammer 40K: Four universes collide in a storm of brilliance and violence, unexpected circumstances arise. A threat to all emerges, but who among the four galaxies might hope to triumph? Slight AU. Note: This is my first time ever writing fanfiction.
Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 15,282 - Reviews: 15 - Favs: 19 - Follows: 22 - Updated: 5/22/2014 - Published: 5/16/2014
A Whole New War by Epic Zealot Productions reviews
Inspired by The Reclamation Has Begun. The summary is in the prologue: Peace comes after war, and War returns before old wounds can be healed. There is a little AU in this fic, Chapter 3 is a work in progress. Chief x Parisa, Lasky x Palmer, and M!Shepard X Ashley.
Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 10,339 - Reviews: 23 - Favs: 51 - Follows: 71 - Updated: 5/13/2014 - Published: 1/22/2014 - [Shepard, Ashley W.] Master Chief/John-117
Spectre's Advent by Andrithir reviews
After bringing an end to the war against the Reapers, Commander Adam Shepard finds himself caught in the midst of another brutal war, a war that humanity had been losing for nearly three decades.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,839 - Reviews: 24 - Favs: 34 - Follows: 49 - Published: 5/10/2014 - Master Chief/John-117, Shepard
The Only Way is Forward by BlindKnight reviews
When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.
Rated: T - English - Chapters: 5 - Words: 11,388 - Reviews: 64 - Favs: 253 - Follows: 340 - Updated: 5/3/2014 - Published: 1/26/2014
Collective Codex of Universal Perversion by henryxk
collective codex for HALOMExCnc: Universal Perversion
Rated: T - English - Sci-Fi - Chapters: 5 - Words: 2,954 - Favs: 4 - Follows: 2 - Updated: 5/1/2014 - Published: 4/30/2014
HALOMExCnC: Universal Perversion by henryxk reviews
Human, Covenant, Citadel, and non Citadel was united under single banner to face biggest galactic threats which threatening their very existence. Shepard was proceed to save entire of galaxy. (Read codex's first, please)
Rated: T - English - Sci-Fi - Chapters: 1 - Words: 679 - Reviews: 7 - Favs: 7 - Follows: 4 - Published: 4/30/2014
Halo: Mass Contact by BattleshipFusou reviews
Thirty-five years have past since the end of the Human-Covenant War. Having reclaimed most all its previous glory, the UNSC exploration locates a massive artificial construct in the outer orbit of a star. While investigating the object alongside their Sangheili allies, new aliens come forth from the construct and bring humanity into a fate they never expected. ON HIATUS
Rated: T - English - Sci-Fi - Chapters: 20 - Words: 26,814 - Reviews: 653 - Favs: 994 - Follows: 1,283 - Updated: 4/30/2014 - Published: 12/22/2012
Change Inherit by Doci reviews
When the four great races rise up to reclaim what was lost after the Great Cataclysm. How will the Citadel Counsel react. (Its an idea that just will not leave me alone. Is Teen for now may change in the future or maybe not at all.) Up for Adoption
Rated: T - English - Sci-Fi - Chapters: 3 - Words: 2,390 - Reviews: 26 - Favs: 81 - Follows: 108 - Updated: 4/29/2014 - Published: 4/12/2014
Scars of the Past by Luigi Legends reviews
Avenging the past leaves you with nothing, a Character from Mass Effects learns the hard way that there are worlds worse then the one they started in. One Shot, World Building
Rated: T - English - Angst/Hurt/Comfort - Chapters: 1 - Words: 1,096 - Reviews: 2 - Favs: 4 - Follows: 4 - Published: 4/21/2014 - Ashley W. - Complete
A heros legacy by rkraptor70 reviews
Masterchief wakes up after his long cryo sleep only to learn that everything he once fought for is now history. UNSC, Covenant everything. Can he once again become the humanity's greatest hero or someone else will carry his legacy?
Rated: T - English - Chapters: 6 - Words: 26,656 - Reviews: 62 - Favs: 125 - Follows: 165 - Updated: 4/21/2014 - Published: 10/31/2011
Fifty Shades of Overkill by TheBleachDoctor reviews
When you become an extragalactic entity, meeting other galactic civilizations becomes an inevitable occurrence, and First Contact rarely goes well for the less-advanced society. Pre-ME through ME3. Rated T for language and implied sexual situations later on. Extremely Light parody on Halo OPness AKA Halo tech taken to its logical conclusion.
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 34,074 - Reviews: 764 - Favs: 1,118 - Follows: 1,399 - Updated: 4/11/2014 - Published: 2/11/2013 - J. Garson, Admiral Hackett, Tali'Zorah, EDI
Halo: The Enigma inference by Cirrikan the Technomancer reviews
Fleeing from their universe, the reaper defector Enigma and his allies stumble into a new conflict. A conflict where the victim is out numbered and faced with extinction. The white reaper is not about to sit on the sidelines and watch this time... *Please read 'Mass Effect: The reaper Enigma' before reading this to reduce confusion.*
Rated: T - English - Sci-Fi - Chapters: 22 - Words: 40,365 - Reviews: 150 - Favs: 278 - Follows: 348 - Updated: 4/6/2014 - Published: 2/9/2013 - Master Chief/John-117
The Last Spartan (Version 20) by DinoJake reviews
After a long deserved rest, the Master Chief awakens in a whole new galaxy.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 14,553 - Reviews: 238 - Favs: 129 - Follows: 135 - Updated: 4/1/2014 - Published: 4/1/2013
Falling Space by Strider117 reviews
A turian fleet stumbles on a human colony in the wake of the Covenant War. What will ensue?
Rated: M - English - Humor/Sci-Fi - Chapters: 2 - Words: 5,515 - Reviews: 55 - Favs: 209 - Follows: 296 - Updated: 3/30/2014 - Published: 1/24/2014
Halo: The Human Effect by MJOLNIR117 reviews
Following the Human-Covenant War, Humanity finds a buried device that allows trans-galactic travel far faster than Slipspace. It was heralded as the greatest scientific find in Human history; the rest of the galaxy simply calls it the Mass Effect. Now mankind needs to forge a new place for itself among the stars.
Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 67,131 - Reviews: 449 - Favs: 691 - Follows: 809 - Updated: 3/27/2014 - Published: 7/12/2010
For Thy Mantle Reloaded by Primordial Soul reviews
"We fought, we bled, we died for our inheritance. We were Gods, and we were finally ready to pass down our Mantle. Then we were betrayed, vanquished from the stars and blotted from history. We have learned from our mistakes. We understand why the Precursors did what they did. We are the Reclaimers, and we will ensure that you face true retribution for your actions." ABANDONED
Rated: T - English - Suspense/Mystery - Chapters: 25 - Words: 113,587 - Reviews: 1063 - Favs: 528 - Follows: 558 - Updated: 3/27/2014 - Published: 11/17/2012
SPARTANs Never Die by Tolkienfanatic reviews
A Spartan team is a formidable fighting force. They can turn the tide in battles, stop invasions, save entire planets. But in a new universe, against a new enemy, their strength and prowess may not be enough...
Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 15,703 - Reviews: 64 - Favs: 113 - Follows: 168 - Updated: 3/27/2014 - Published: 6/20/2013 - C. Halsey, Lucy-B091, Fred-104, J. Garson
Infinity Adventures by number970910 reviews
A Batarian Pirate fleet stumbles upon a dorment relay in a previously unknown system. What's more interesting is that they find a world made of glass. Let's see what unfolds next.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 7,744 - Reviews: 21 - Favs: 53 - Follows: 78 - Updated: 3/24/2014 - Published: 1/26/2014
Coming Together by Loo Dig-E reviews
As the UNSC is nearing defeat at the hands of the Covenant, the Allies intervene to prevent the Council from potentially gaining a new ally, and avert the need for another total galactic war.
Rated: M - English - Adventure/Tragedy - Chapters: 4 - Words: 13,192 - Reviews: 6 - Favs: 16 - Follows: 12 - Published: 3/19/2014 - OC
For the Want of A Coin by The Ardent Warrior-Poet reviews
John had always known what he could do, if given a challenge. He'd known his capabilities ever since he'd been a child, let alone a SPARTAN. But now, after surviving a trip he honestly shouldn't have, he's stuck on a planet with no orders, no manual, and no amount of training that could've prepared him for the situation he's now faced with... a Mindoir farm girl named Shepard.
Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,658 - Reviews: 11 - Favs: 25 - Follows: 48 - Published: 3/19/2014
The Dome Effect by PridakArbiter
Comedy. Garrus Vakarian and the Master Chief get stuck inside a city inside a glass dome filled with dangerous movie and video game creatures. This is not a serious story.
Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 1,000 - Favs: 5 - Follows: 2 - Published: 3/7/2014 - Master Chief/John-117, Cortana, Garrus V.
Involuntary Intrusions by Kyurem's Soul reviews
In his death throes, Noble-6, the last of his team of advanced SPARTAN-IIIs, does the unthinkable. He touches Cortana's undelivered AI core at the center, blacking him out. when he awakens, he is aboard an unknown ship with his teammates and a cast of strange characters. Adventure awaits at every corner, picking up new-found friends on the way.
Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 3,372 - Reviews: 24 - Favs: 28 - Follows: 36 - Updated: 3/6/2014 - Published: 3/3/2014 - Cortana, Jun-A266/Noble Three, SPARTAN-B312/Noble Six, J. Garson
Yup, This is a NOBLE mission by DragoLord19D reviews
A strange tuning fork shaped artifact has discovered on the far reaches of the System Alliance's space... ...But there have been whispers of colonies disappearing... THE FLOOD IS COMING... This is ME in a Halo universe
Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 7,371 - Reviews: 2 - Favs: 11 - Follows: 17 - Updated: 2/28/2014 - Published: 5/4/2013 - [J. Garson, Liara T'Soni]
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