Halo and Mass Effect Crossovers
Filters
621 | « Prev Page 1 .. 3 4 5 6 7 8 9 16 .. Last Next »

Changing Universes (New Version) by GamerDroid56 reviews
As a Spartan, it was my duty to protect Humanity, whatever the cost. Now, the stakes have been raised as I no longer have to protect just Humanity, but the entire galaxy and all of its inhabitants. At the side of the First Human Spectre of this new Galaxy, I will succeed in defending the galaxy, even if it results in my death... (Might end up being AU Halo at start after Infinite)
Rated: T - English - Sci-Fi - Chapters: 5 - Words: 7,225 - Reviews: 8 - Favs: 55 - Follows: 86 - Updated: 3/23/2019 - Published: 7/22/2018 - Cortana, OC, J. Garson, Miranda L.
Universe Jumpers - Study by CommanderAuri reviews
This was just a little drabble bit I wrote for the crossover RP my boyfriend and I have been doing these last few years. I haven't written smut in quite some time so I'm a tad bit rusty. Thanks for reading!
Rated: M - English - Romance - Chapters: 1 - Words: 3,412 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 3/16/2019 - Complete
Soft as Thunder by silencewillfall009 reviews
Strength. Discipline. Honor. These are the pillars of Turian Society. And after meeting a race faced with extinction, they will stand by these pillars. No matter what the Asari say.
Rated: T - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 4,309 - Reviews: 122 - Favs: 430 - Follows: 679 - Updated: 3/4/2019 - Published: 11/27/2017
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: 40 - Words: 176,374 - Reviews: 805 - Favs: 1,498 - Follows: 1,420 - Updated: 3/4/2019 - Published: 12/1/2011 - Jorge-052/Noble Five, Shepard - Complete
The Galaxy's Personal Grim Reaper by DeltaSandman reviews
Noble Six has survived the Fall of Reach, and through an unexpected turn of events is thrown into an unknown universe. Commander Shepard recruited a new member of the team for the assault on the Omega Four Relay. Regardless, the mission stays the same and none of them are expected to survive. They aim to prove all of them wrong.
Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 8,464 - Reviews: 11 - Favs: 58 - Follows: 78 - Published: 2/28/2019 - SPARTAN-B312/Noble Six, J. Garson, Garrus V., Miranda L.
Marooned by SPHD reviews
A freak accident above Chi Ceti IV leaves John-117 and Kelly-087 stranded in the Mass Effect universe, where they team up with Commander Shepard in hopes of finding a way home. Will the Spartans be able to return? Or could they find something worth fighting for alongside the crew of the Normandy? Will contain some John/Kelly and MShep/Tali in later chapters.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 6,619 - Reviews: 12 - Favs: 64 - Follows: 113 - Updated: 2/23/2019 - Published: 2/8/2019
Man with the plan by Case-USMC1371 reviews
When the Third Great War came to a close, I never expected to be killed with nuclear fire. I also never expected to be chosen to undertake a multi-universe spanning mission! Oh well, I get to meet some people that are friggen awesome at least! Contains multiple Universes, but Halo and Mass effect are the major ones
Rated: M - English - Adventure - Chapters: 3 - Words: 14,392 - Reviews: 11 - Favs: 40 - Follows: 48 - Updated: 2/20/2019 - Published: 9/10/2018 - T. Hood, J. Garson, Admiral Hackett, OC
One mans trash, is an others savior(Scraped) by TheDidactsHand reviews
Cancelled due to my horrible grammar, punctuation, and spacing. A new version is being written.
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 23,850 - Reviews: 23 - Favs: 52 - Follows: 71 - Updated: 1/14/2019 - Published: 3/27/2018
Exodus of the Damned by Codename-SURGEON reviews
The Reapers fell and with them fell our worlds. We drift alone in search of home and hope to one day build again. An artifact found provides a ray of hope. And those few who ventures through will seal our doom or not. Other worlds and other chances gives the Damned needed hope.
Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 91,692 - Reviews: 139 - Favs: 364 - Follows: 529 - Updated: 1/11/2019 - Published: 1/17/2016 - T. Lasky, Garrus V., Admiral Hackett
Compendium of the True Universe by Codename-SURGEON reviews
All knowledge wants to be known and shared. The catch is in who's sharing it.
Rated: T - English - Sci-Fi/Mystery - Chapters: 3 - Words: 4,141 - Reviews: 1 - Favs: 4 - Follows: 3 - Updated: 1/5/2019 - Published: 8/16/2017
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: 12/31/18 NEW CHAPTER UP!
Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 126,683 - Reviews: 17 - Favs: 79 - Follows: 92 - Updated: 12/31/2018 - Published: 3/19/2013
The Last Spartan by DinoJake reviews
An AU fic in which the Halo and ME universes share the same galaxy. After a well deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
Rated: T - English - Sci-Fi/Adventure - Chapters: 55 - Words: 489,686 - Reviews: 4006 - Favs: 4,240 - Follows: 4,233 - Updated: 12/31/2018 - Published: 5/2/2010 - Master Chief/John-117
Just Because by elitearcher123 reviews
a SI enters a crossover Good Luck rated T because I'm paranoid
Rated: T - English - Chapters: 1 - Words: 185 - Reviews: 5 - Favs: 5 - Follows: 8 - Published: 12/26/2018
The Heroes, The Giants, The Spartans by Mr.Smooth0perat0r reviews
Kurt-051 is sent to the Mass Effect Universe and theres some twists
Rated: M - English - Sci-Fi - Chapters: 6 - Words: 14,062 - Reviews: 12 - Favs: 45 - Follows: 76 - Updated: 12/18/2018 - Published: 11/6/2017 - Kurt-051, Admiral Hackett, P. Cole, J. Garson - Complete
Reaching out by Mage-Alia reviews
When one story ends another begins. Shepard finds herself sitting against a bolder, dying as she stares up at an unfamiliar sky...
Rated: T - English - Sci-Fi - Chapters: 1 - Words: 2,216 - Reviews: 6 - Favs: 38 - Follows: 37 - Published: 11/23/2018 - Shepard - Complete
SSDD by K2JC reviews
After an anomaly in Slipspace sent the Assault Carrier, Power Overwhelming, off course and into another dimension where everything is a whole lotta different. One thing stayed the same. Humanity is once more threatened by genocidal aliens. Is this really a thing? Where Humans are constantly attacked by alien assholes? Well... Same Shit, Different Day.
Rated: M - English - Adventure - Chapters: 8 - Words: 32,427 - Reviews: 18 - Favs: 117 - Follows: 154 - Updated: 11/15/2018 - Published: 8/29/2018 - J. Garson, OC
Isolation by DwemerSteelBlade reviews
SPARTAN-IIIs Icarus and Aura are transported to the Citadel after a botched operation on a Covenant world. They've been trained to fight Insurrectionists and Covenant, but what about the Reapers?
Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,864 - Reviews: 2 - Favs: 5 - Follows: 18 - Published: 11/12/2018
The Roads of War by Sierra.BN312 reviews
Our galaxy is home to billions of stars, each star could hold new life, and every life holds a new story. Commander Jane Shepard attempts to rally the galaxy against the Reaper threat, but a distress signal leads her to discover more than what she bargained for.
Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 74,095 - Reviews: 137 - Favs: 715 - Follows: 1,017 - Updated: 10/25/2018 - Published: 4/30/2017 - Master Chief/John-117, Cortana, J. Garson
Un encuentro menos violento by Whynotman 234 reviews
Una linea de tiempo según yo, un tanto mas orgánica entre ambos universo.
Rated: K+ - Spanish - Sci-Fi - Chapters: 2 - Words: 3,812 - Reviews: 2 - Favs: 8 - Follows: 8 - Updated: 10/21/2018 - Published: 10/14/2018
Alternate Past, Uncertain Future Mk II by Follower38 reviews
Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Rated: T - English - Adventure - Chapters: 33 - Words: 279,720 - Reviews: 766 - Favs: 740 - Follows: 849 - Updated: 10/6/2018 - Published: 8/28/2012
Mass Effect: First Contact by Kralizec314 reviews
The year is 2597, ten years after the Insurrection came to an end, and the UNSC now reign supreme over all Humans in the galaxy. But now, the Outer Colony of Harvest has come under attack from a conquering alliance of alien races; the UNSC must resist them and claim it's place in the galaxy.
Rated: M - English - Sci-Fi - Chapters: 5 - Words: 23,040 - Reviews: 138 - Favs: 365 - Follows: 517 - Updated: 9/29/2018 - Published: 3/28/2016
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, Shepard does not yet understand it, nor does she understand it as the Arbiter understands it. But she will be forced to understand.
Rated: M - English - Adventure/Romance - Chapters: 48 - Words: 218,161 - Reviews: 774 - Favs: 892 - Follows: 1,045 - Updated: 9/29/2018 - Published: 10/13/2014 - Arbiter, Shepard
The Obligatory Coffee Scene by Church Shepard reviews
War never changes Sometimes, no matter your race or creed, you forget what's worth fighting for. War does that to everyone. It's vital to take a moment, any moment, and remember how each of those little moments we experience every day, make life worth living. And wars worth winning. Short story taken from my main xover
Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 2,278 - Reviews: 2 - Favs: 7 - Follows: 6 - Published: 9/25/2018 - Arbiter, Garrus V., Shepard, Javik - Complete
The Cycle by Church Shepard reviews
Fighting off extinction Shepard must find the legacy left to humanity by the Forerunners. And find a way to defeat both the Reapers and the Prophet of Truth from gaining the power to destroy all sentient life in the Galaxy.
Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 151,020 - Reviews: 146 - Favs: 78 - Follows: 101 - Updated: 9/25/2018 - Published: 8/29/2012 - Arbiter, Prophet of Truth, Shepard, OC
Blood of Honor and Tears of Plasma by Delta Sigma72 reviews
When the Sublime Transcendence was destroyed by a Nova Nuclear Space Mine, a fleet in transition to Slip-space had its navigation systems overloaded, the result was that the fleet was sent of to Sanghelios. Or is it? Join Fleetmaster Vadamee and his sister in the Mass Effect universe, as they show the council races what the Blood of Honor means.
Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 2,668 - Reviews: 4 - Favs: 26 - Follows: 37 - Updated: 9/23/2018 - Published: 9/8/2018
621 | « Prev Page 1 .. 3 4 5 6 7 8 9 16 .. Last Next »