Halo and Mass Effect Crossovers
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Halo Mass Effect : Colonial War by tobiisagoodboy94 reviews
When a research ship finds a anomoly at the edge of Harvests system, a young militiaman and the whole UNSC are thrown into a galaxy much larger than they could have dreamed. Pre-war UNSC, with a mixture of Halo and Mass Effect characters and some OCs, all fighting for humanitys and maybe, if time and money is left over, the Citadels future.
Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 65,351 - Reviews: 112 - Favs: 212 - Follows: 304 - Updated: 12/8/2020 - Published: 1/11/2017 - T. Lasky, OC, Garrus V., Shepard
A Spartan's Light by HeirOfRohan reviews
The last thing that John Martinez expected after he died was to be told he was destined for a greater purpose. Armed with the experiences, power, and skills of a certain Spartan-II supersoldier, he would strive to defend humanity and the innocent, and he would have his AI partner with him every step of the way. With knowledge of the future, he strives to save a world not his own.
Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 35,437 - Reviews: 125 - Favs: 623 - Follows: 766 - Updated: 11/21/2020 - Published: 4/23/2020 - Master Chief/John-117, Cortana, Shepard, OC
Los Spartan Nunca Mueren by TragicAsesino56 reviews
Noble 6 no murió se fue a otro lugar muy diferente al suyo, ahora deberá salvar a la galaxia con su nuevo equipo (Advertencia: este fic tendrá Lemon en algunos capítulos)
Rated: T - Spanish - Adventure/Romance - Chapters: 2 - Words: 7,566 - Reviews: 3 - Favs: 5 - Follows: 3 - Updated: 11/4/2020 - Published: 12/15/2017 - SPARTAN-B312/Noble Six, Ashley W., Kaidan A., Saren A.
The Next Great Journey: Awakening by alanvaladez reviews
The Reaper's return was delayed; colonists are disappearing, and mysterious incidents are happening at random colonies all over the Galaxy. Are the two surviving Reapers of the battle of the Citadel behind this events? Or is it someone else? The SPECTRES, CERBERUS and the Alliance will have to find out and put an end to this. The sequel to The Next Great Journey. Discontinued.
Rated: M - English - Sci-Fi/Drama - Chapters: 9 - Words: 85,340 - Reviews: 21 - Favs: 150 - Follows: 186 - Updated: 10/28/2020 - Published: 10/30/2016 - Master Chief/John-117, OC, Saren A., OC
Redemption REWRITE by IceBite reviews
Synthesis has been achieved, and now, the Reapers move to help rebuild...except one. Harbinger, amazed by humanity's success, moves to aid humanity. Now, brought to this world by one called "Librarian", Harbinger must use all his cunning to protect humanity from the greatest threat it's ever known...He also must now face something he never faced before: emotion… REWRITE VERSION
Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,454 - Reviews: 13 - Favs: 61 - Follows: 98 - Updated: 10/13/2020 - Published: 8/8/2020 - [Harbinger, OC] Master Chief/John-117, SPARTAN-B312/Noble Six
Grave Effect by SaibotReaper Productions reviews
Devils and Gods are two halves of the same whole. Life is sown by those whom many would consider gods but the created revolt and destroy their godly creators only to create in their wake the devils who would destroy what they themselves sought to call their own, but can devils rise to create once more or will the cycle of revolt continue on in a new galaxy.
Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 23,466 - Reviews: 63 - Favs: 247 - Follows: 338 - Updated: 10/10/2020 - Published: 7/27/2019 - Gravemind, 2401 Penitent Tangent, Shepard, Leviathan
To Hell and Back by Silas4lagoon reviews
After four years of drifting in space, the Master Chief and Cortana have finally returned. Unfortunately, not everything is the same as it was from when they left. Many creatures still lurk about in the depths of the unknown, making the galaxy just as dangerous. But what happens when the most dangerous super soldier in the galaxy runs out of his most valuable skill? [Discontinued]
Rated: T - English - Sci-Fi/Suspense - Chapters: 4 - Words: 9,854 - Reviews: 21 - Favs: 48 - Follows: 103 - Updated: 9/29/2020 - Published: 9/13/2020 - Master Chief/John-117, Cortana, Shepard
The Spartan Crew Member by Daisy Rhine reviews
Commander Shepard and his crew find the other half of the ship that MC is on. When they find him they have no idea what they should expect but an chemically suped up human was not one of them. I don't own Halo or Mass Effect 343industries and BioWare do.
Rated: T - English - Friendship/Adventure - Chapters: 37 - Words: 75,377 - Reviews: 223 - Favs: 441 - Follows: 572 - Updated: 9/24/2020 - Published: 8/14/2017 - Master Chief/John-117, Garrus V., Tali'Zorah, Shepard
Halo: Clash of Galaxies by Lord of the Wall reviews
Through unknown forces of immense and unimaginable power, two galaxies merge and superpowers of both galaxies is forced to deal with the reality of the broken status quo. Jane Shepard, first human Spectre, finds herself in the center of the events to come, for in the dark void outside the galaxy, the Reapers prepare their return to cleanse this new galaxy of life.
Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 50,265 - Reviews: 71 - Favs: 257 - Follows: 376 - Updated: 9/12/2020 - Published: 9/5/2019 - T. Hood, J. Garson, Garrus V.
Noble Redemption by JGThorncross reviews
A Citadel Ship crash-lands on Reach during it's darkest hour. How will these new arrivals change the battle for Reach... and how will they affect NOBLE team?
Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 7,253 - Reviews: 15 - Favs: 50 - Follows: 74 - Updated: 9/3/2020 - Published: 12/27/2019
A new chance but not a chance appreciated by The Hollow Ghost reviews
After Noble six died on Reach she wakes up in a different world with no understanding of its working but could only blame her bad luck from making things bad to worse. Couldn't she rest in peace after she died? With no one but herself to rely on and aliens everywhere, how will she go about to live a peaceful life alone and spill no more bloodshed when she is hunted down for her MKV
Rated: M - English - Adventure/Hurt/Comfort - Chapters: 1 - Words: 2,128 - Reviews: 7 - Favs: 30 - Follows: 40 - Published: 7/24/2020 - SPARTAN-B312/Noble Six
Redemption by IceBite reviews
Synthesis has been achieved, and now, the Reapers move to help rebuild...except one. Harbinger, amazed by humanity's success, moves to aid humanity. Now, brought to this world by one called "Librarian", Harbinger must use all his cunning to protect humanity from the greatest threat it's ever known...He also must now face something he never faced before: emotion...
Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 14,439 - Reviews: 101 - Favs: 300 - Follows: 343 - Updated: 7/9/2020 - Published: 8/24/2014 - [Harbinger, OC] SPARTAN-B312/Noble Six, Master Chief/John-117
Unknown: Everything Will Change by Black Shield INC reviews
In the year 2556 the small yet prospering U.N.S.C colony world of Shanxi is attacked by an unknown species. The events that followed will change everything for both the U.N.S.C and their Allies. I do not own Halo or Mass Effect both games belong to there respective owners. Chapters 1-9 are undergoing rework.
Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 67,445 - Reviews: 105 - Favs: 338 - Follows: 490 - Updated: 6/4/2020 - Published: 10/11/2014 - E. Buck, Rookie, Saren A., Shepard
Codex of the Multiverse by hunter 139 reviews
This is a document that details the history and composition of the factions in the multiverse. Multicrossover between several different franchises.
Rated: T - English - Sci-Fi - Chapters: 7 - Words: 17,281 - Reviews: 20 - Favs: 31 - Follows: 21 - Updated: 5/23/2020 - Published: 2/17/2015
Filum Exitium by Officer Durandal reviews
When the UNSC Infinity suddenly finds itself in foreign territory, Captain Lasky is faced with a Challenge no Naval Captain wishes to come across: Be a diplomat.
Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 11,734 - Reviews: 47 - Favs: 136 - Follows: 223 - Updated: 5/23/2020 - Published: 1/21/2019 - S. Palmer, T. Lasky, Garrus V., Shepard
To Make a Difference by Alcanax reviews
ABANDONNED Mass relay, FTL, slip-space. They bring people closer, but also seem to make the galaxy bigger. Reapers, they come from dark space. But what other dangers lurk between the stars? Pirates, Collectors or worse. Shepard and the Normandy crew will soon find out. Will Fate be merciful? Or will they have to bend it? Set after Halo3, and during ME2.
Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 74,251 - Reviews: 74 - Favs: 196 - Follows: 319 - Updated: 5/21/2020 - Published: 7/23/2015 - Master Chief/John-117, Shepard
The Howling Dark by smart grid reviews
Two years have passed since the dark day that humanity's best was extinguished. Now it appears that the dead Shepard is not so dead, and that the enemies Jorge helped defeat, are not so defeated. Shepard is going to need humanity's best to take on the genocidal threat of the Collectors. Fortunately for her, Jorge has volunteered to help.
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 24,941 - Reviews: 158 - Favs: 661 - Follows: 899 - Updated: 5/12/2020 - Published: 3/4/2019 - Jorge-052/Noble Five, Shepard
Glitters in the Dark by The Flippant Writer reviews
The galaxy is an expansive and mysterious frontier, waiting to be claimed by those bold enough to reach for it. One must be careful not to reach further than they can handle.
Rated: T - English - Sci-Fi - Chapters: 3 - Words: 14,078 - Reviews: 41 - Favs: 134 - Follows: 226 - Updated: 4/27/2020 - Published: 10/17/2019
In the name of Earth and Balaho, till the bitter end! by dutchsoldier reviews
The Reapers say they do not know fear and never experience it, but how long will this remain the truth when Humanities greatest heroes from another dimension come here with ships and allies? Will the name demon rise once more, with now entire armada's of Reapers fleeing at the mere sight of him, or will humanity and their allies die fighting like the Protheans before them?
Rated: T - English - Chapters: 7 - Words: 86,763 - Reviews: 50 - Favs: 153 - Follows: 204 - Updated: 4/20/2020 - Published: 3/21/2019 - Master Chief/John-117, Cortana, Admiral Hackett, Shepard
The Lone Wolf Of The Normandy by SSJ Lone Wolf reviews
Noble Six after managing to survive the fall of Reach is upgraded with Forerunner augmentations, armor, weapons and his first A.I partner is transported to a planet known as Eden Prime. A Systems Alliance colony that just happens to be under attack by a army of synthetics. Well like Carter said "wouldn't be a Noble mission if it were easy."
Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 74,777 - Reviews: 1334 - Favs: 1,761 - Follows: 2,124 - Updated: 3/27/2020 - Published: 8/9/2016 - [SPARTAN-B312/Noble Six, J. Garson] Garrus V., Tali'Zorah
Halo: Ascension - Status Update on Last Chapter by Hunter63 reviews
[ After the Great War, Humanity begins to rebuild, and while many challenges present itself to the surviving government, nothing will have as much as an impact as Shanxi. The Galaxy shall become the center point for an ancient threat's plans, people of all backgrounds must come together, and Humanity must finally ascend to its rightful throne as inheritors of the Mantle. ]
Rated: T - English - Sci-Fi - Chapters: 5 - Words: 14,217 - Reviews: 35 - Favs: 220 - Follows: 295 - Updated: 3/25/2020 - Published: 5/31/2013 - Master Chief/John-117, Arbiter, J. Garson, Garrus V.
Honor and Glory: Just a Status Update on Chapter 3 by Hunter63 reviews
We have fought for years as warriors of the Systems Alliance, and now we look towards the stars again with hope. We are the Vanguard of of our Mantle, protectors of Humanity and our Alliance. The Citadel might believe they can control the galaxies fate, but they do not hold the Mantle, we do. I am the eye of the Council, an Ossoona. Out of Darkness, these blades will light my way.
Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,792 - Reviews: 18 - Favs: 62 - Follows: 74 - Updated: 3/25/2020 - Published: 10/3/2012 - Arbiter, J. Garson
HaloMass Effect Crossover Idea by SonGoku682 reviews
Just an idea for a halo mass effect story
Rated: M - English - Chapters: 1 - Words: 2,300 - Reviews: 4 - Favs: 2 - Follows: 2 - Published: 3/11/2020 - Master Chief/John-117 - Complete
Book One: Dawn of a New Age by DragonheartODST reviews
Humanity had been expanding across the stars for over 5 centuries in relative peace. But an alien alliance known as the Covenant wishes to destroy humanity entirely. Now threatened with extinction, can the fate of just one battle-scared survivor change the events of the war and those participating in it? Multi-crossover with Halo, Mass Effect, and a little bit of StarCraft. Hiatus
Rated: T - English - Adventure - Chapters: 14 - Words: 131,491 - Reviews: 298 - Favs: 368 - Follows: 430 - Updated: 1/3/2020 - Published: 5/19/2016
This, Our Galaxy by Jocson reviews
A short history of the Orion Arm of the Milky Way Galaxy, from the perspective of those existing within Systems Alliance space, submitted as part of my qualifying project on governmental analysis. July 25, 2585.
Rated: T - English - Sci-Fi/Friendship - Chapters: 2 - Words: 7,752 - Reviews: 10 - Favs: 21 - Follows: 27 - Published: 12/31/2019 - Complete
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