Halo and Mass Effect Crossovers
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Mass Effect: ODST by Helljumper 1337 reviews
A hero need not speak. When he is gone, the world will speak for him. Follow Rookie the young helljumper as he attempts to piece together to how did he ended on this messed up place...
Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 59,265 - Reviews: 471 - Favs: 644 - Follows: 703 - Updated: 3/17/2013 - Published: 12/12/2010 - Rookie, J. Garson
Desperate Measures by WateryMind reviews
The galaxy holds many secrets. Some more dangerous then others. This is the story of some of these secrets. Set in The Last Spartan-verse, written with permission. OCs, rated for swearing and future content.
Rated: M - English - Chapters: 2 - Words: 3,580 - Reviews: 16 - Favs: 25 - Follows: 35 - Updated: 3/7/2013 - Published: 12/21/2012
An Essential Guide to TheMantleverse: CODEX by Qwerty282 reviews
This is the timeline for TheMantleverse, and also is the archive of the many massive info-dumps I will be putting up. BEWARE: MASSIVE amounts of information inside. Risk of over-saturation present.
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 12,000 - Reviews: 37 - Favs: 52 - Follows: 49 - Updated: 3/4/2013 - Published: 1/14/2013
The Chance by Vladradu reviews
A story about a new team of heroes witch must defend all the galaxies by the greatest threat ,contains elements and characters from:Mass Effect,AvP,Halo,Quake4,Half Life series,Doom and lots of characters.It is the first story.Please tell me if you don't like something and I should correct it.
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,776 - Reviews: 1 - Favs: 6 - Follows: 4 - Updated: 3/4/2013 - Published: 3/2/2013 - Master Chief/John-117, Shepard
Flames of War by ICHeart reviews
The USF...founded in the ashes of the Great War has spent years rebuilding. They are inheritors of the Forerunners and are ready to take hold of the Mantel...but first they have to deal with another Galactic Superpower. However, dark forces gather as these two groups fight to gain control of the Galaxy.
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,471 - Reviews: 230 - Favs: 469 - Follows: 520 - Updated: 3/2/2013 - Published: 11/19/2012 - Master Chief/John-117, Shepard
Halo Challenge by Mark Temple reviews
Master Cheif has some challenges awaiting
Rated: T - English - Chapters: 1 - Words: 167 - Reviews: 3 - Favs: 1 - Published: 2/11/2013 - Master Chief/John-117
Galactic Warlords, the RTS by swsf09 reviews
You've heard of Galaxy of Fantasy? Introducing the new game from Forge Games, Galactic Warlords! Play as your favorite races and armies and conquer the galaxy! Includes bad codex updates, annoying retcons, and contradicting canon! Parody of my official fanfiction Collapsing Empires.
Rated: T - English - Humor/Parody - Chapters: 1 - Words: 617 - Reviews: 3 - Favs: 14 - Follows: 13 - Published: 2/10/2013
First Galactic Conflict - Recounts by Andrithir reviews
An epistolary novel which recounts the personal stories of those involved in the war against the Flood. (Based off "Lost Legacy")
Rated: T - English - Sci-Fi - Chapters: 4 - Words: 3,060 - Reviews: 17 - Favs: 23 - Follows: 25 - Updated: 2/8/2013 - Published: 2/4/2013 - Master Chief/John-117, J. Garson
End Of All Wars by Aquila Umbrae reviews
Second story of the Agenzia series. I made this one a crossover because i couldn't decide which one to do first. You will like them.
Rated: T - English - Adventure/Romance - Chapters: 12 - Words: 18,272 - Reviews: 1 - Favs: 3 - Follows: 4 - Updated: 2/6/2013 - Published: 11/7/2012 - Master Chief/John-117, Shepard - Complete
Persecution Complex by Reaper81609 reviews
Everything happens for a reason in this universe, so why not in another, well in a time after the Great War, a strike team of Spartan IV's will soon find out.
Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 64,070 - Reviews: 60 - Favs: 62 - Follows: 91 - Updated: 2/3/2013 - Published: 4/2/2012
Halo:End of a cycle by Spartan-G257 reviews
M to be on the safe side The reapers return kick the citadel forces ass from the citadel and continue to whipe them out due to no Shepard intervention and then they meet the UNSC and the Species empire... Mid teir tech MT and GT with Smac TT
Rated: M - English - Sci-Fi - Chapters: 3 - Words: 2,965 - Reviews: 27 - Favs: 71 - Follows: 90 - Updated: 2/3/2013 - Published: 8/26/2012
Home is wherever you are by Relativeness reviews
Full summary inside! contains major halo 4 spoilers, you have been warned!
Rated: T - English - Drama/Hurt/Comfort - Chapters: 3 - Words: 12,091 - Reviews: 81 - Favs: 79 - Follows: 112 - Updated: 2/2/2013 - Published: 11/8/2012 - Master Chief/John-117, J. Garson
Second Contact by takinoutthetrash reviews
Post Halo 4, war erupts on multiple fronts with Prometheans, Covenant of all kinds, the UNSC, and a new Insurrection. Artifacts from Precursors and an unknown race leaves scientist of all sides bewildered. In the Mass Effect galaxy, after the Reapers defeat, peace is restored. A dimension called slipspace is discovered while studying tech from the Leviathans and an unknown race.
Rated: T - English - Chapters: 4 - Words: 3,974 - Reviews: 21 - Favs: 27 - Follows: 40 - Updated: 2/2/2013 - Published: 1/17/2013
Halo Mass Effect: Unto the Dawn by Evident Disaster reviews
The human covenant war has ended, but even in the end of the war, the storm continues to rage. Another war has come, and the UCAF faces a new threat. The chronicles of Shepard as he and members of his force escape into Council Space, war expands into the galaxy. THe Adjutant begins its first move, the troops gear up and prepare for battle on Oma Ker, Shepard's first command. CH4
Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 28,297 - Reviews: 5 - Favs: 43 - Follows: 49 - Updated: 1/30/2013 - Published: 1/9/2013 - Arbiter, Councilor Tevos
Screw This, I'm Firing the Halo Array by Galaxy Hunter reviews
It's the end of Mass Effect 3, and it sucks. Luckily Commander Shepard won't take it lying down. A collection of random alternate endings to ME3. This story is complete and utter crack. Rated M for language and adult situations. Shepard M and Liara.
Rated: M - English - Humor/Angst - Chapters: 6 - Words: 58,105 - Reviews: 161 - Favs: 231 - Follows: 208 - Updated: 1/28/2013 - Published: 3/13/2012 - Cortana, Shepard
The Dimensional Shift by Qwerty282 reviews
The detonation of the slipspace drive goes wrong and the Spirit of Fire is engulfed in the blast. The Everest enters an unstable rupture. Jorge doesn't perish activating the slipspace bomb in the Ardent Prayer. The Forward Unto Dawn makes it through the portal. The Infinity enters a merged rupture. The universe they return to is very different from the one they left. Can they cope?
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 9,024 - Reviews: 81 - Favs: 199 - Follows: 274 - Updated: 1/25/2013 - Published: 12/14/2012 - Master Chief/John-117, Saren A.
Forward Unto a New Dawn by OTT-False reviews
Due to popular opinion, this will be a full fic. A Mgalekgolo arrives in the MEverse and tries to fit in despite being the only one of his kind. In this new galaxy, this lone Hunter will uncover the remnants of the great Forerunner Empire and possibly...love? (Adjusted the title, changed Sci-fi to Humor)
Rated: T - English - Humor/Drama - Chapters: 6 - Words: 13,352 - Reviews: 204 - Favs: 369 - Follows: 402 - Updated: 1/24/2013 - Published: 7/11/2012 - Tali'Zorah
Shadow of the Giant by Mare's Best Friend reviews
During the retaking of Harvest in 2558, Spartan-Blue team discovers the universe that the Humans inhabit is much bigger than anyone before thought with the discovery of an Asari captive of the Covenant. But is Humanity able to even coexist, if not at all cooperate, with the newly found Council? Or will the Humans give into their own nature and war with them in the name of survival?
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,651 - Reviews: 55 - Favs: 105 - Follows: 161 - Updated: 1/23/2013 - Published: 12/16/2012 - Fred-104, Shepard
One Last Sacrifice by Silent Archangel reviews
Spartan C-077 thought his whole life was to be spent aboard a recon destroyer, his training going to waste. But he has no idea how wrong he is until he lands on an unknown planet with an unstable sun.
Rated: T - English - Adventure/Sci-Fi - Chapters: 15 - Words: 27,661 - Reviews: 107 - Favs: 94 - Follows: 141 - Updated: 1/20/2013 - Published: 12/11/2010 - Tali'Zorah
And the Galaxy Burns by havocfett reviews
Tales don't start at one discrete place, one discrete point in time where everything went to hell. They don't end like that either. They're...a mix, dozens, hundreds of people of varying importance, thrown into events that shake the galaxy at different points and different times. Entering and exiting seemingly at random. And, in the chaos, is a story told as the galaxy burns
Rated: T - English - Sci-Fi - Chapters: 2 - Words: 9,635 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 1/14/2013
Antics on the Normandy by Andrithir reviews
A collection of oneshots. Based loosely off Lost Legacy... not to be taken seriously in any form or manner.
Rated: M - English - Humor/Sci-Fi - Chapters: 1 - Words: 3,192 - Reviews: 10 - Favs: 22 - Follows: 25 - Published: 1/13/2013 - Master Chief/John-117, Shepard - Complete
Once More Unto The Breach by Archer83 reviews
Warning: Spoilers, if you haven't finished Halo 4 yet! At the end of Halo 4 Spartan John-117 is blasted into another fight for the future of humanity. Oneshot. (I might continue this if there's any interest in it.)
Rated: T - English - Drama/Hurt/Comfort - Chapters: 1 - Words: 822 - Reviews: 12 - Favs: 26 - Follows: 26 - Published: 1/12/2013 - Master Chief/John-117, J. Garson - Complete
The Emperor's Knight by CII reviews
A companion piece to BDM's Mass Effect II story. Kiryuu Knight ponders over the what Shepard had discovered in the Collector's Base. Upon this, he makes his own discovery, one that may turn the tide against the Reapers.
Rated: T - English - Sci-Fi - Chapters: 1 - Words: 11,585 - Reviews: 1 - Favs: 5 - Follows: 4 - Published: 1/12/2013 - Complete
The Few by Thellton reviews
In a world where distrust is rife and political maneuvering is common place, one man must unite the a disparate group of people from all over the milky way to stop a galactic threat as great as the Flood... Rated M just to be safe.
Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 22,642 - Reviews: 6 - Favs: 13 - Follows: 16 - Updated: 1/8/2013 - Published: 8/23/2012 - Shepard
If Gods Were Lazy by Claytonimor reviews
Reach burned, as the atmosphere ionized and the oceans evaporated, Noble Six discovered a way out. She took it, and now she has a different enemy to face, with a different team in a different universe altogether. M for safety and language(Re-writing)(Chapter 4 rewrite up [newcomers, please, for the love of all things holy, don't read past that])
Rated: M - English - Adventure/Sci-Fi - Chapters: 8 - Words: 19,775 - Reviews: 47 - Favs: 72 - Follows: 103 - Updated: 1/7/2013 - Published: 4/15/2012 - SPARTAN-B312/Noble Six, Shepard
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