Halo and Mass Effect Crossovers
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The Covenant Effect by Kakaza reviews
The Covenant has assimilated humanity into it's ranks, and now they stand on equal footing with the sangheili. A CCS-class battlecruiser is exploring the Perseus Arm of the galaxy when it encounters a new race who call themselves "Turians".
Rated: T - English - Adventure - Chapters: 1 - Words: 1,231 - Reviews: 61 - Favs: 156 - Follows: 213 - Published: 1/28/2014 - OC, J. Garson, Saren A.
The Orion Effect by thehaloproject reviews
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Rated: T - English - Chapters: 3 - Words: 1,845 - Reviews: 33 - Favs: 33 - Follows: 41 - Updated: 1/22/2014 - Published: 4/26/2013
Cortana's Covenant by KasumiCain reviews
While Humanity and Covenant are enjoying their peace, the Sangheili colony of Axiom Prime finds itself under attack by a mysterious new race. The UNSC and Covenant are quick to respond, but why is the Master Chief deployed? What happened 30 years ago, when Chief decided to stop being the machine? And how exactly will a lone survivor cope with loss?
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 334 - Reviews: 15 - Favs: 37 - Follows: 55 - Published: 1/4/2014 - Master Chief/John-117, Arbiter, Cortana
Coming of the Ancients by Shadowz081 reviews
Centuries after the end of the great war, the UNSC and Neo-covenant now live in peace, but what happens when they discover not just one but two splinter fraction of humans? The System Alliance and their Citadel and Prehistoric humanity and their old allies. But with their welcoming appearance, so will ancient threats loom around the corner ready to wage war...
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 74,425 - Reviews: 301 - Favs: 707 - Follows: 765 - Updated: 1/4/2014 - Published: 9/19/2012
Fight for the Future by dgj212 reviews
The Forerunners sacrificed themselves for the younger race to see the future, but even they were not aware of threat older than they were. It's up the races the Forerunners saved, it's up to everyone to uphold the mantle of responsibility and fight for their future! should they fail, they must whatever is necessary, so that the younger generation can see a peaceful future...
Rated: M - English - Adventure - Chapters: 1 - Words: 11,177 - Reviews: 5 - Favs: 35 - Follows: 41 - Published: 12/30/2013
Third Generation by TheRedJ0ker reviews
The Protheans fought the Reapers and lost but did they fight alone. Awaken a young member of the ODSTs Jayden Dante finds himself trying to stop the reapers before they and wipe out another civilization. discontinued
Rated: M - English - Adventure/Sci-Fi - Chapters: 8 - Words: 14,966 - Reviews: 12 - Favs: 25 - Follows: 33 - Updated: 12/11/2013 - Published: 1/24/2013 - J. Garson - Complete
History Repeated, Lesson Learned by KitBeast reviews
The Prothean empire left a great many Beacons behind after there fall, there purpose, to warn the younger races of the dangers of the Reapers. Unfortunately no one could understand them. What would happen if someone could.
Rated: M - English - Sci-Fi - Chapters: 18 - Words: 51,084 - Reviews: 1095 - Favs: 1,988 - Follows: 2,268 - Updated: 12/10/2013 - Published: 2/20/2013
The Memory of Noble by Isaakclarke11 reviews
Noble team gets sent to the mass effect universe, will they be able to help Shepard stop the reapers or find a way back to reach and continue the fight against the covenant.
Rated: K - English - Chapters: 1 - Words: 3,666 - Reviews: 10 - Favs: 26 - Follows: 36 - Published: 12/9/2013
Noble Six, Courier Six? by Adamantium Dragon of Aincrad reviews
From Mojave to Reach, From Reach to Eden Prime... The young C-sec girl knows me, how? Noble Six meet Christina Andersson, David Anderssons adopted daughter, who has secrets of her own, can she do anything with Six's aid?
Rated: M - English - Humor/Mystery - Chapters: 2 - Words: 1,526 - Reviews: 2 - Favs: 10 - Follows: 14 - Updated: 12/4/2013 - Published: 10/16/2013 - [SPARTAN-B312/Noble Six, OC] [J. Garson, Garrus V.]
Humanitys Best by N6SpartanB312 reviews
A story of noble 6 in the mass effect universe story takes place in mass effect 3
Rated: K - English - Sci-Fi - Chapters: 7 - Words: 10,398 - Reviews: 25 - Favs: 21 - Follows: 29 - Updated: 12/4/2013 - Published: 7/30/2013 - SPARTAN-B312/Noble Six, Shepard
Regret and Forgiveness by goose2989 reviews
Mass Effect 2 centric story with Spartan B312 as a main character. While struggling to forgive himself and find peace, a certain Quarian may be the only one capable of showing it to him
Rated: T - English - Sci-Fi - Chapters: 16 - Words: 100,771 - Reviews: 318 - Favs: 560 - Follows: 585 - Updated: 12/1/2013 - Published: 7/14/2011 - SPARTAN-B312/Noble Six, Tali'Zorah
Proper Application of Firepower by Kamikaze duck reviews
Throughout multiple Galaxies a vast war rages. But within one, it will be decided.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,531 - Reviews: 11 - Favs: 42 - Follows: 49 - Published: 11/22/2013 - A. J. Johnson, Admiral Hackett
Covenant First Contact Scenarios in the Mass Effect universe by InArkosWeTrust reviews
First Story. About Covenant first Contact scenarios with the Mass Effect universe. Like this story and leave reviews. It would be appraised and give me better ideas. I hope this can help you all. I answered reviews in chapter four.
Rated: M - English - Adventure - Chapters: 4 - Words: 2,918 - Reviews: 13 - Favs: 9 - Follows: 12 - Updated: 11/21/2013 - Published: 11/6/2013 - Arbiter, Rtas 'Vadumee
Welcome to Hell by William II S043 reviews
Was originally written by Legion3257 but sent to me as he felt it was going in the wrong direction. More details were added as well a many revisions. Follow Master Chief, a group of ODSTs and a team of Spec-Op Elites along with their fleet of ships through hell and back in a land where they do not belong.
Rated: T - English - Adventure/Suspense - Chapters: 1 - Words: 3,131 - Reviews: 1 - Favs: 12 - Follows: 14 - Published: 11/21/2013 - Master Chief/John-117, T. Lasky, Cortana
The Three Empire's by Mark Twain II LoL reviews
You all liked my Codex so I decided to do a story! So for you new people here's the premise: UNSC super militaristic after the war and built up an empire to match it, HSA being founded by the insurrectionists back in the 2540's an 171 years later once again meeting there old FORGOTTEN foe, and the 12 colonies and Citadel trapped between both.
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 15,792 - Reviews: 142 - Favs: 318 - Follows: 367 - Updated: 11/21/2013 - Published: 11/5/2013
Marooned by Giant the Younger reviews
Spartan-420, real name Leon Grant, is sucked through a wormhole and into the Quarian flotilla, more specifically the Serenity, captained by Rael'Reegar. The two embark on a journey spanning the galaxy to find a way to get Grant back to his universe, but Rael has a few secrets. Will Grant get back to his universe? Or will Rael's past kill the two before he can?
Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,487 - Reviews: 2 - Favs: 8 - Follows: 10 - Published: 11/20/2013 - OC, Tali'Zorah
The Shepard and The Spartan by Magisking reviews
When the Ark was destroyed, the Dawn wasn't just left stranded in space. It was propelled through time and space... into another universe. When John Shepard gets a message from the Illusive Man telling him about an unknown craft in the far reaches of the galaxy, the Normandy goes to investigate. The Reapers have someone new to fear. Spartan's never die. They just go MIA. Dead fic.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,816 - Reviews: 37 - Favs: 105 - Follows: 138 - Updated: 11/20/2013 - Published: 10/19/2013 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
HALO : END OF THE LINE by henryxk reviews
Forerunner Crystal drive everything to universe clash. Fresh from Reaper, ME races once again force to wage war against more powerful enemies. And this time, galaxy entirely burn. Can Council defend themselves from Covenant and UNSC ? or most importantly, can they defeat The Flood ? Covenant Crusades just begun
Rated: T - English - Fantasy/Sci-Fi - Chapters: 7 - Words: 5,898 - Reviews: 22 - Favs: 9 - Follows: 14 - Updated: 11/19/2013 - Published: 10/21/2013
Halo: Inner Grit by Sgt. Rill reviews
Blood cascaded down from my forehead, and flowed over my eye. My vision was starting to get grayish. My killer stod over me, his shadow covering my dying form. This... is how i die. Proped up against a wall, watching my commrades die in front of me. Powerless.
Rated: M - English - Sci-Fi - Chapters: 2 - Words: 1,683 - Reviews: 2 - Favs: 4 - Follows: 3 - Updated: 11/15/2013 - Published: 10/6/2013
Reclamation and Ascendancy by Sentinel 677 reviews
Imagine a Halo/ME Xover where humanity didn't: become BFF's with the elites, stomp the turians at Shanxi, become besties with the quarians, defend the krogan and true geth against the EVIL council and then kick said council to the curb. Imagine it didn't become just a retread of the first game. Imagine it didn't start with a timeline. This is my attempt at that.
Rated: T - English - Sci-Fi - Chapters: 6 - Words: 26,201 - Reviews: 142 - Favs: 283 - Follows: 405 - Updated: 11/7/2013 - Published: 11/13/2012
The Three Empire's: CODEX by Mark Twain II LoL reviews
What would the Mass Effect/Halo/and BSG galaxy be like if they were all fused? If the Systems Alliance was the descendants of insurrectionists if the UNSC goes super militaristic, if the poor Colonials are trapped between technologically advanced nations. This is a codex of the three humanities and how you respond to it depends if I go and make the real story
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 10,651 - Reviews: 70 - Favs: 111 - Follows: 90 - Updated: 11/5/2013 - Published: 10/28/2013 - Complete
Halo: Paradigm Shifts by Arashi the Solar Phoenix reviews
In a twist of fate, the Covenant never encounter the humans on Harvest due to a slipspace malfunction and end up near the Turian colony of Taetrus. Declaring the Turians, as well as the rest of the Citadel races as Heretics, the Covenant invade Citadel space on a campaign of genocide as the Council breaks its most sacred laws and traditions for one single goal: survival.
Rated: T - English - Adventure/Tragedy - Chapters: 3 - Words: 14,710 - Reviews: 92 - Favs: 185 - Follows: 193 - Updated: 10/30/2013 - Published: 4/13/2013 - Tartarus, Garrus V., Saren A.
The Arrival by Rixi101 reviews
Is it possible that the galaxy is vast enough that we can get two stories simultaneously running together? How would they react if they discovered each other? Would they seek out each others destruction or would common interests sway them to work together? Only one thing is certain. Whatever happens, someone is not going to agree.
Rated: T - English - Adventure/Drama - Chapters: 8 - Words: 21,548 - Reviews: 106 - Favs: 218 - Follows: 342 - Updated: 10/30/2013 - Published: 6/24/2013 - D. Anderson, Shepard
Sins of a Galaxy by AustinGamer117 reviews
Even after the ancient ones have long been vanquished, there are still those that would want to see the galaxy burn in oblivion. Would the galaxy be untied against those that would restart the cycle all over again, or be destroyed? Will contain world-building.
Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 13,536 - Reviews: 15 - Favs: 37 - Follows: 32 - Updated: 10/27/2013 - Published: 8/26/2013
Legacy Effect: The Great Betrayal by Lord Hierarch reviews
The Human-Covenant War may have ended but the storm has not yet passed. Now the great powers must pick up the pieces and find their place in this new and dangerous galaxy.
Rated: T - English - Chapters: 1 - Words: 416 - Reviews: 10 - Favs: 17 - Follows: 25 - Published: 10/23/2013
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