Halo and Mass Effect Crossovers
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You Can't Teach An Old Dog New Tricks by DragonsManticoresAndGiantsOhMy reviews
AU Setting. The Terminus is not a place for the weak or timid. It's a way of life as much as a destination or location. Two men with a shared past find themselves crossing paths once more in this harsh setting. Their run in turns into reflection on their lives, careers, and futures. Maybe you can't teach an old dog new tricks, but you can give him something to chew on.
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 14,555 - Reviews: 2 - Favs: 13 - Follows: 6 - Published: 5/31/2015 - A. J. Johnson, Zaeed M. - Complete
Precursors Effect V2 by Chooky Chook
Rewritten version of my original story, covers my take on a Halo/Mass Effect crossover, with bits of others too. Please Read and Review. (This story is AU. Don't like, don't read, but if you read, don't complain about things not being the same as official 343i or Bioware canon and lore.)
Rated: T - English - Chapters: 1 - Words: 2,686 - Favs: 21 - Follows: 26 - Published: 5/30/2015
Better by CJ-T-Bone reviews
Sometimes a hero deserves more than he gets. Rated T because I'm paranoid. Oneshot.
Rated: T - English - Tragedy/Romance - Chapters: 1 - Words: 2,088 - Reviews: 21 - Favs: 72 - Follows: 27 - Published: 5/20/2015 - [Cortana, Master Chief/John-117] J. Garson - Complete
Dawnhammer by Ace Warbringer reviews
For the crew of the Matriarchs Light, the day was going to hell. For the Dawnhammers refit voyage, new things are about to occur. For when the Matriarchs Light opens a relay, chased by a Reaper. One ship will stand and face a new world. (Now continued!)
Rated: T - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 9,180 - Reviews: 39 - Favs: 123 - Follows: 160 - Updated: 5/18/2015 - Published: 3/29/2015
Halo : New Destiny by Offensive bias ai reviews
What if instead of the Covenant the UNSC meet the Mass Effect races?
Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 920 - Reviews: 2 - Favs: 16 - Follows: 30 - Published: 5/17/2015
The Universe of All Reality by Metal4k reviews
"Where does all evil come from? Where does it originate?" There are forces far more ancient, far darker, than the Reapers and Flood. Peace is over. Commander Sheaprd will be faced with new threats and challenges, ones that can transcend reality, ones older than the Universe itself. Multiverse crossover
Rated: T - English - Mystery/Adventure - Chapters: 42 - Words: 236,597 - Reviews: 423 - Favs: 303 - Follows: 336 - Updated: 5/13/2015 - Published: 4/27/2013 - Master Chief/John-117, J. Garson - Complete
Precursors Effect by Chooky Chook reviews
Being Rewritten. story covers my take on a Halo/Mass Effect crossover, with bits of others too. Please Read and Review. (This story is AU. Don't like, don't read, but if you read, don't complain about things not being the same as official 343i or Bioware canon and lore. Unless it is constructive)
Rated: T - English - Chapters: 20 - Words: 18,606 - Reviews: 67 - Favs: 60 - Follows: 71 - Updated: 5/11/2015 - Published: 7/12/2012
Desolation by hunter 139 reviews
An ODST awakes in a Pelican crash site on an unknown planet and tries to uncover the fate of his squad. Instead he uncovers something better left buried. Based off of an old Halo 3 machinima. Multicrossover.
Rated: T - English - Mystery/Suspense - Chapters: 12 - Words: 23,620 - Reviews: 16 - Favs: 16 - Follows: 27 - Updated: 4/14/2015 - Published: 2/19/2015
Legacy Effect: Siege of Tuchanka by Lord Hierarch reviews
One-Shot: "Praise the Forerunners who watch over us for the lives we avenge from this day onward. Let us scorn the Krogan! Let us trample their pride! Let us break their will! Once again raise the flag of salvation! Onward warriors of the Covenant! Onward heroes of Sanghelios!"
Rated: T - English - Chapters: 1 - Words: 1,253 - Reviews: 3 - Favs: 9 - Follows: 8 - Published: 4/11/2015 - Complete
The Reclamation has already begun (other failed retry) by Fade Maybe reviews
If your'e still following this...might want to reconsider. I'm updating the other story now (the original reclamation has begun). So, this one is pretty much dead. But the original is still alive and better than ever!... which isn't say much. In any event, just go follow and favorite the original and not this one.
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 11,785 - Reviews: 40 - Favs: 120 - Follows: 162 - Updated: 4/8/2015 - Published: 1/4/2015
Deliberate Consequences by TheEpicBro117 reviews
A UNSC expedition to deep space causes consequences for both sides as humanity reaches for its rightful inheritance. Please take it easy on me with the reviews as this is my very first story.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 4,539 - Reviews: 24 - Favs: 59 - Follows: 99 - Updated: 4/5/2015 - Published: 1/15/2015
Wrath of the Gods by Regina Dea reviews
On the run from the Forerunners, the Covenant enters Citadel Space. It's not as epic as it sounds.
Rated: K - English - Chapters: 1 - Words: 1,044 - Reviews: 6 - Favs: 21 - Follows: 14 - Published: 4/2/2015 - Complete
Prefect Spartan by Nighthawk6595 reviews
During the Requiem Campaign, a Spartan was sent to test a Forerunner/Human hybrid armor, but when escaping Requiem, an event caused the Spartan and his Fireteam to be sent to an unknown place where they face unknown enemies and gain new allies in the process. There will be a pairing or pairings.
Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 42,711 - Reviews: 27 - Favs: 76 - Follows: 97 - Updated: 3/29/2015 - Published: 3/23/2014 - OC, Tali'Zorah, Shepard
One Last Effect by Rookie117 reviews
He's one of the Last of his kind. He has seen the horrors of war first hand. So what would happen where hes thrown into a Galaxy where its a peace. Well lets find out.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,797 - Reviews: 18 - Favs: 28 - Follows: 49 - Published: 3/28/2015 - J. Garson, Tali'Zorah
Mass Effect: loose Ends by death7559 reviews
"If you commit genocide, you'll need to take care of any, loose ends. Because this, this is what happens when loose ends, stay loose" -An accurate retelling of the end of the world.
Rated: T - English - Chapters: 1 - Words: 299 - Reviews: 3 - Favs: 6 - Follows: 10 - Published: 3/28/2015
The Fall From Grace by The Wandering Warrior reviews
After the destruction of Requiem, the Covenant Empire collapsed and together with the UEG formed the Systems Alliance. After discovering an unknown cache of hitherto unseen before technology and the discovery of what is to become known as 'Mass Relays' the face of the galaxy will be changed forever.
Rated: T - English - Chapters: 12 - Words: 36,973 - Reviews: 95 - Favs: 291 - Follows: 396 - Updated: 3/28/2015 - Published: 11/11/2013 - Admiral Hackett, Shepard
Still Waters by Andrithir reviews
With the help of Shepard, the Chief contemplates his next steps in a time of peace. (A Lost Legacy spinoff, takes place part way through Lost Legacy Epilogue). Spoilers.
Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 3,969 - Reviews: 5 - Favs: 39 - Follows: 26 - Published: 3/27/2015
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.
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.
Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 1,849 - Reviews: 15 - Favs: 19 - Follows: 31 - Published: 3/18/2015 - OC, Shepard
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
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.
Rated: M - English - Sci-Fi - Chapters: 1 - Words: 288 - Reviews: 9 - Favs: 1 - Follows: 1 - Published: 3/8/2015 - 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
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.
Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 1,081 - Favs: 10 - Follows: 19 - Published: 3/5/2015
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
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.
Rated: T - English - Adventure - Chapters: 7 - Words: 25,375 - Reviews: 14 - Favs: 40 - Follows: 40 - Updated: 3/2/2015 - Published: 9/13/2014 - Master Chief/John-117, J. Garson, Shepard
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