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Zero's Wolf Pack by Rookie117 reviews
ODSTs. We've all heard of the famous hell-jumpers. But what about the best of them? Those are the ODSTs of Wolf Pack company. And what would happen if one of these wolfs became the familiar of Louise? Well, lets find out.
Crossover - Halo & Familiar of Zero - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 6,266 - Reviews: 17 - Favs: 59 - Follows: 75 - Updated: 3/22/2015 - Published: 3/15/2015 - [OC, Louise]
Star Fleet meets the Covenant by 1-1 Marines reviews
Star Fleet is assigned to help the UNSC fight off the Covenant. Based off of Robot Chicken's, "G.I. No."
Crossover - Halo & Star Trek: 2009 - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 1,068 - Reviews: 6 - Favs: 8 - Follows: 2 - Published: 3/22/2015 - Complete
The Horde vs The Covenant by TheMetaMaster reviews
The Covenant stumble upon the planet of Sera, and encounter the Locust horde and soon a war starts. Who will win?
Crossover - Halo & Gears of War - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 1,348 - Reviews: 9 - Favs: 7 - Follows: 10 - Updated: 3/20/2015 - Published: 1/28/2015
Diamond in the Rough by Church 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.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 11,254 - Reviews: 9 - Favs: 7 - Follows: 13 - Updated: 3/18/2015 - Published: 8/15/2014 - [Liara T'Soni, Shepard] Arbiter, OC
Last Survivor and Only Hope by BuzzKillBro reviews
A Furrunner spares the life of a Precursor during the final moments of the war. The Precursor leaves as the last of his race as he sails through the cosmos looking for purpose. He will find it in a galaxy that has experienced extinction for millions of years. Rated M for Gore and Language.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 1,849 - Reviews: 15 - Favs: 19 - Follows: 31 - Published: 3/18/2015 - OC, Shepard
Order of Balance: Spartan of Zero by Rogue 2k8 reviews
Noble 6 is saved from his death on Reach by Halsey's backup plan, after the revelation of being a clone he returns to normal life, only to be sucked into a crazy world with magic, monsters, and a crazy psychopathic brat who is now his "Master" as he is her familiar. His only hope of returning home, is to play along. Generally follows the Cannon Plot with laced Halo-Based-Sub-Story
Crossover - Halo & Familiar of Zero - Rated: M - English - Adventure/Romance - Chapters: 32 - Words: 190,087 - Reviews: 260 - Favs: 364 - Follows: 358 - Updated: 3/17/2015 - Published: 4/14/2013 - SPARTAN-B312/Noble Six, Louise, Tiffania, Henrietta
To 'Weiss Reacts' From, the RWBY helpers by HaloGoji75
Burn gives the people of the Weiss Reacts universe a video tour of the RWBY helpers facility. This may or may not go well. Made with permission form ElfCollaberator.
Crossover - Halo & RWBY - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 3,383 - Favs: 7 - Follows: 6 - Published: 3/15/2015 - Ruby R., Weiss S., Cardin W., Cinder F. - Complete
Down The Rabbit Hole by grlm reviews
[AU] [OC] After the Battle of Earth the UNSC and Separatist forces go on the offensive carrying out the war for another three years. Corporal Ashton Dommer, an ODST, is deployed with the rest of the First Recon Battalion in preparation for the invasion of Balaho. Something goes wrong mid-drop and he finds himself in a strange new world.
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Romance - Chapters: 11 - Words: 103,631 - Reviews: 90 - Favs: 257 - Follows: 286 - Updated: 3/13/2015 - Published: 3/25/2014 - [Weiss S., OC] Ruby R., Yang X.L.
The Republic's war by dghornick reviews
the UNSC just wishes to avoid war , but it is never that simple . they are drawn into another conflict a few years after their introduction onto the interglatic stage . The only question on the leaders of the UNSC's minds is " how bloody will this one be ?"
Crossover - Star Wars & Halo - Rated: T - English - Chapters: 10 - Words: 26,209 - Reviews: 89 - Favs: 125 - Follows: 139 - Updated: 3/12/2015 - Published: 1/12/2014
Cortana's last breath: The voice of the cycle by jamirs16
Fragments of Cortana that well she was in Requiem learned of the truth of the cycle and the fate of the forerunners along with their warnings. First story and hoping to make a series called the Reclamation, includes over franchises from starcraft, star wars and half life
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 2 - Words: 616 - Favs: 2 - Follows: 1 - Published: 3/8/2015
Darkstar Preview by The Cursed Merc reviews
Preview to my new crossover series I am making. This is heavily AU if you want to know more then wait for the story. This is a part of a new series of crossovers that I am making.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 288 - Reviews: 9 - Favs: 1 - Follows: 1 - Published: 3/8/2015 - Complete
We all fall down by BeggerAfterKnowledge
2541: the colony of Remnant is attacked by the Covenant. there are no survivors. WARNING: MAJOR CHARACTER DEATH
Crossover - Halo & RWBY - Rated: M - English - Tragedy - Chapters: 1 - Words: 1,014 - Favs: 2 - Follows: 1 - Published: 3/8/2015 - Ruby R., Weiss S.
Eclipse by M306117 reviews
Noble Six, a Spartan shrouded in mystery and surrounded by death. An assassin and a soldier. They will fall with Reach and give humanity some hope.But before then, before Reach and Noble Team, they are dragged into another war and tasked with causing the fall of a tyrannical leader. To do so, at least six targets must be removed before darkness can fall across the land.
Crossover - My Little Pony & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 28,693 - Reviews: 59 - Favs: 27 - Follows: 21 - Updated: 3/8/2015 - Published: 8/29/2014 - Princess Luna/Nightmare Moon, SPARTAN-B312/Noble Six - Complete
Mass Effect: Death From Above Chapter 2 by Duncannuva reviews
Duncan tells Commander Shepard and Admrial Hackett more on the New Zealand class Find the easter egg Character. who will make another apperance
Crossover - Halo & Mass Effect - Rated: K - English - Mystery/Sci-Fi - Chapters: 1 - Words: 624 - Reviews: 5 - Favs: 1 - Follows: 1 - Published: 3/7/2015 - OC, Shepard, Admiral Hackett - Complete
Insertion - The Defiance of Fate by William II S043
William II S043 Status: KIA. Or so the UNSC thought. Following the events inside of the Micro Dyson Sphere, William wasn't KIA; no, he was very much alive. Fifteen years following his supposed death, he reappears inside of UNSC space, far from Onyx. Returning is a more talkative Spartan with one hell of a story to tell and will be key to introducing the UNSC to the galactic level.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 1,081 - Favs: 11 - Follows: 19 - Published: 3/5/2015
The ONI Way by phoenixforce50 reviews
The Assassin Templar war has continued into the 26th century, and humanity is at war with a vastly superior group of alien species known as the Covenant. Behind the looming power of ONI, there is a Templar master, behind the rebels and Insurrection, there are the Assassins, hiding among the UNSC's old enemies. As events unfold, questions will be raised and loyalties will be tested.
Crossover - Halo & Assassin's Creed - Rated: M - English - Sci-Fi - Chapters: 44 - Words: 69,801 - Reviews: 12 - Favs: 25 - Follows: 16 - Updated: 3/3/2015 - Published: 5/21/2014 - Complete
Mass Effect: Death From Above by Duncannuva reviews
When the Future Meets the past it is not always good. However in the Reaper war you need all the help you can get even if it is a warship the Size of a Space station that moves and fights you don't ask questions
Crossover - Halo & Mass Effect - Rated: K - English - Mystery/Sci-Fi - Chapters: 1 - Words: 1,244 - Reviews: 5 - Favs: 3 - Follows: 3 - Published: 3/3/2015 - OC, Arbiter, Shepard, Garrus V.
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.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 7 - Words: 25,375 - Reviews: 14 - Favs: 39 - Follows: 40 - Updated: 3/2/2015 - Published: 9/13/2014 - Master Chief/John-117, J. Garson, Shepard
In His Reach by ANBU Operative Goat reviews
Naruto gets sick and tired of the villagers trying to kill him so he leaves to find a place that will accept him for him. he then gets captured by marines at the Reach facility and put in the spartan program. 9 years later he returns to Konoha but he comes back with startling power. god like naruto if possible, naruxhakux?
Crossover - Halo & Naruto - Rated: T - English - Adventure/Humor - Chapters: 5 - Words: 5,910 - Reviews: 43 - Favs: 218 - Follows: 243 - Updated: 3/1/2015 - Published: 6/14/2013 - Master Chief/John-117, Kelly-087, Naruto U., Haku
Front Lines by Church Shepard reviews
A war may be won through policy, money, or technology, but battles are won by the people fighting. Be they soldiers or civilians, all lives are changed during the bloodiest of conflicts. The Reaper war proves no exception, as those on the front lines of Earth battle and fight for survival. A task that will require allies from every possible source.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 12,193 - Reviews: 7 - Favs: 5 - Follows: 4 - Updated: 2/28/2015 - Published: 2/14/2015 - D. Anderson, Major Coats, OC
Mass Effect: Spec Ops by VR Commando ATA reviews
While the Shepard siblings lead the charge against the Reapers, hundreds of thousands of troops fight back against the Reapers as well. These are the stories of those soldiers, the operations of the normal ground troops, and the assaults by the Spec Ops Commandos.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 5 - Words: 14,785 - Reviews: 11 - Favs: 10 - Follows: 13 - Updated: 2/27/2015 - Published: 9/28/2014 - OC
halo : A house of cards by A unkown Gnome reviews
After the decisive battle at the Helios nine nebula, the UNSC Infinity has pursued Jul mdama's damaged Flagship, the song of retribution far into uncharted space.However a slip space anomaly throws the Infinity dozens of light-years of course forcing it to crash on the Asari home world, Thessia.however Humanity has been to this world before, as ever ONI lurks in the shadows
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 6,278 - Reviews: 8 - Favs: 41 - Follows: 65 - Published: 2/27/2015 - C. Halsey, Serin O./Serin-017, Benezia
Reflection in Steel by Commissar Rasher reviews
The UNSC Wotan is the finest ship ever built by human hands. But now its crew faces the greatest challenge of their lives. Trapped in a strange land, they must survive and try to find a way home in a dark galaxy where there is only war.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 68,237 - Reviews: 122 - Favs: 307 - Follows: 392 - Updated: 2/26/2015 - Published: 12/26/2013
Bellum Mundorum: Timeline and Codex by Dragon Noire reviews
This is a timeline and codex to my story of the same title. The timeline is to clarify why the UNSC and Republic are at war and the codex is to explain what are the UNSC's equipment, vehicles, ships etc. It also explains where their technology has gone since the Human-Covenant war.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 3,387 - Reviews: 19 - Favs: 28 - Follows: 40 - Updated: 2/25/2015 - Published: 12/27/2013
Some Are Born To Zealotry by DragonsManticoresAndGiantsOhMy reviews
AU Setting. Thel'Vadamee has devoted his very existence from a young age to living up to the name and glory of his house and people. To be a living embodiment of the martial prowess of the sangheili and pious adherent to the Covenant theology. When these pursuits are realized he is reborn as Zealot. The only question that remains is if he will ever regret this path in life?
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 3,516 - Reviews: 2 - Favs: 5 - Follows: 2 - Published: 2/21/2015 - Arbiter - Complete
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