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158 stories
158 stories
  • The Rook

    By Twisted Fate MK 2 • Halo & Mass Effect Fanfiction • Updated: 12 Sep 2022 • Published: 9 Jul 2022 • 4 Chapters • 15,510 words • 0 followers • Adventure • Shepard, Rookie • Rating: M • In Progress

    On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)

  • Were it So Easy

    By Sigma0327 • Halo & Mass Effect Fanfiction • Updated: 5 Sep 2022 • Published: 10 Nov 2020 • 7 Chapters • 76,506 words • 0 followers • Adventure/Sci-Fi • SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard • Rating: M • In Progress

    Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?

  • The Exiles:A New Power

    By Johnnieboy11 • Halo & Mass Effect Fanfiction • Updated: 3 Sep 2022 • Published: 26 Dec 2021 • 5 Chapters • 18,935 words • 1 follower • Sci-Fi/Adventure • Tali'Zorah, Admiral Hackett, Rael'Zorah, OC • Rating: T • In Progress

    The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.

  • Remnants

    By General Rage • Halo & Mass Effect Fanfiction • Updated: 29 Aug 2022 • Published: 22 Apr 2016 • 34 Chapters • 764,095 words • 0 followers • Adventure/Sci-Fi • Master Chief/John-117, Cortana, Tali'Zorah, Shepard • Rating: M • In Progress

    From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.

  • Unknown things have unmeasurable answers

    By Watsi • Halo & Mass Effect Fanfiction • Updated: 14 Aug 2022 • Published: 22 Apr 2022 • 15 Chapters • 125,418 words • 0 followers • Sci-Fi/Drama • [Master Chief/John-117 + Tali'Zorah + Master Chief/John-117 + Tali'Zorah], J. Cutter • Rating: T • In Progress

    When someone contacts Quarians about old machinery, they should think twice before engaging with an other-wordly yet so familiar species, a war, and circumstances that will shock two galaxies now that the rift is open.

  • Salvation (ENG)

    By Z0n3theDaMn3d • Halo & Mass Effect Fanfiction • Updated: 3 Aug 2022 • Published: 8 Oct 2020 • 8 Chapters • 72,517 words • 0 followers • Sci-Fi/Adventure • T. Hood, Shepard, Councilor Tevos, Benezia • Rating: M • In Progress

    The knowledge of sin is the beginning of salvation. More than 40 years after the end of the war against the Covenant, a new storm is brewing on the edge of the human empire. Will the colonies of the Linwood Sector be able to withstand this new threat or will they burn like Harvest once did?

  • Predating Prelates

    By Lighting wolf knight • Halo & Mass Effect Fanfiction • Updated: 2 Aug 2022 • Published: 2 Aug 2022 • 821 words • 0 followers • Adventure/Sci-Fi • Shepard, Peebee S., OC • Rating: T • In Progress

    The one ship that ends up here and it changes so much... Rated T for violence, death, and profanity.

  • All the Stars

    By BlueWay • Halo & Mass Effect Fanfiction • Updated: 24 Jul 2022 • Published: 9 Jun 2018 • 40 Chapters • 699,771 words • 0 followers • Sci-Fi/Adventure • SPARTAN-B312/Noble Six, Rookie • Rating: T • In Progress

    When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.

  • Mass effect: the Jaded ones

    By Ray SK • Halo & Mass Effect Fanfiction • Updated: 14 Jul 2022 • Published: 7 Feb 2022 • 4 Chapters • 22,564 words • 0 followers • Adventure/Humor • E. Buck, OC • Rating: M • In Progress

    A UNSC Human-covenant war era battle group lead by a Punic class super carrier is introduced to a new galaxy. One were people are xenophilic, use to times of peace and harmony and against disrupting the status Qou. What will an extremely aggressive xenophobic and battle hardened human faction add to the mix. and will their addition change the future of this galaxy. (No Spartans)

  • No Greater Calling

    By silencewillfall0091 • Halo & Mass Effect Fanfiction • Updated: 7 Jul 2022 • Published: 7 Jan 2022 • 3 Chapters • 4,900 words • 0 followers • Sci-Fi • Rating: T • In Progress

    Because here's the thing. Turians, despite their reputations, had never loved war- not the suffering, the dying, nor the pain. They loved victory- the prevailing of clear good over clear evil- justice winning in the end, the beating of overwhelming odds for peace. And there was never more a clear example of this type of war than ours against the Covenant.

  • Mass Effect: Galaxy at war

    By palik • Halo & Mass Effect Fanfiction • Updated: 5 Jul 2022 • Published: 18 Jun 2020 • 28 Chapters • 84,027 words • 0 followers • Sci-Fi • Rating: M • In Progress

    A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival

  • Xen Effect

    By ThePilotArchangel • Halo & Mass Effect Fanfiction • Updated: 4 Jul 2022 • Published: 30 Apr 2022 • 8 Chapters • 73,491 words • 0 followers • Sci-Fi/Adventure • Master Chief/John-117, Cortana, Shepard, OC • Rating: T • In Progress

    Xen is the gateway between universes and dimensions. It is the place where time, space, physics, and other known rules that define ones life go out the metaphorical window. What will happen when a Child of Xen, a perfect Supersoldier, a Guardian of Humanity, and a Spectre of a Council of aliens find themselves caught up in a war of survival? Find out in "Xen Effect".

  • HALO Mass convergence

    By SapphireDawn11709 • Halo & Mass Effect Fanfiction • Updated: 4 Jul 2022 • Published: 19 Sep 2016 • 24 Chapters • 82,323 words • 0 followers • Sci-Fi • Master Chief/John-117, Cortana, J. Garson, Tali'Zorah • Rating: M • In Progress

    Two Universe collide after the Forerunners fall and the Reapers return, will the two branches of Humanity placed in their respective Systems by a Forerunner Monitor unite or fall, only time will tell in this epic clash. When the UNSC Exploration and Research Vessel Light of Sol discover a strange artifact, they are opened up to the rest of the Galaxy after millennia of isolation.

  • Mass Effect - Convergence

    By Fallen2Pancake • Halo & Mass Effect Fanfiction • Updated: 3 Jul 2022 • Published: 3 Jul 2022 • 11,515 words • 0 followers • Sci-Fi • SPARTAN-B312/Noble Six, Admiral Hackett, Shepard, OC • Rating: M • In Progress

    During a Batarian Slave Raid on the Systems Alliance Colony of Eden Prime unknown defenders both Human and of unknown alien origin add in the defense. While the UNSC and XCOM join forces under a thought long dead UNSC Rear Admiral and navigate this new universe, who will the future of Mass Effect change and will it change for the better or worse. - Mass Effect - Halo - XCOM Cross.

  • A Whole New World

    By Spartan III Commando • Halo & Mass Effect Fanfiction • Updated: 21 Jun 2022 • Published: 7 Jul 2016 • 7 Chapters • 27,666 words • 0 followers • Sci-Fi/Adventure • SPARTAN-B312/Noble Six • Rating: M • In Progress

    Noble six's story did not end on Reach, he escaped the doomed planet after saving the Pillar of Autumn, and he and 117 fought across each Halo, until an incident sent him to a whole new world. And he is wholly unprepared for the journey in store.

  • United Earths Empire: The Beginning of a New Age

    By Destarien • Halo & Mass Effect Fanfiction • Updated: 19 Jun 2022 • Published: 30 May 2022 • 6 Chapters • 21,260 words • 0 followers • Fantasy/Sci-Fi • J. Cutter, SPARTAN-B312/Noble Six, Jerome-092, J. Keyes • Rating: T • In Progress

    What if three Universes once separate come together. three different humanities with three different paths of technology merge into one galaxy. Citadel space will never be the same because the Schahl Empire and UNSC are here. Two Civilizations, one at war and one ready for war.

  • Enduring the Flames of War

    By Masterdude21 • Halo & Mass Effect Fanfiction • Updated: 11 Jun 2022 • Published: 30 Nov 2015 • 45 Chapters • 641,101 words • 0 followers • Sci-Fi/Horror • Master Chief/John-117, Shepard, OC • Rating: M • In Progress

    A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.

  • The Great Galactic War

    By hellothere45 • Halo & Mass Effect Fanfiction • Updated: 10 Jun 2022 • Published: 3 Jun 2022 • 3 Chapters • 3,282 words • 0 followers • Sci-Fi/Adventure • Rating: T • In Progress

    Occurs after the events of Halo Infinite. Cortina finds out about a new enemy from the void of space called the reapers who are trying to rule the galaxy sending a warning to her former allies and enemies to unite the, she assigns chief espranza and the Weapon on a mission to unite the Citadel species to fight a war to end all wars in the Galaxy, can they do this task

  • Daily war with monster girls

    By Masterdude21 • Halo & Mass Effect Fanfiction • Updated: 4 Jun 2022 • Published: 20 Sep 2016 • 27 Chapters • 367,410 words • 0 followers • Humor/Romance • Master Chief/John-117, Cortana, Shepard • Rating: M • In Progress

    With the help of the highly-motivated extra-species in the military, mankind holds their own against the brutal onslaught of the Covenant. In their haste to close the gap in space warfare, ONI stumbles upon Relay 314. Even as new enemies arise, the galaxy constantly thwarts Cortana's schemes to build the Master Chief the ultimate harem. Halo/Mass Effect/Monster Musume crossover.

  • Rise of Humanity

    By James118 • Halo & Mass Effect Fanfiction • Updated: 30 May 2022 • Published: 21 May 2022 • 2 Chapters • 21,980 words • 0 followers • Adventure/Sci-Fi • [Shepard + Liara T'Soni + Shepard + Liara T'Soni], OC • Rating: M • In Progress

    Soon after the war with the Covenant, humanity discovers a Mass Relay that opens the door to the rest of the galaxy. But it also awakens the greatest threat humanity has ever faced.

  • Spirit of Fire

    By GoldenThorns-Fiverr • Halo & Mass Effect Fanfiction • Updated: 24 May 2022 • Published: 24 May 2022 • 7,824 words • 0 followers • Rating: T • Completed

    A Crossover fanfic I did as a Fiverr request.

  • War of the Old Ones

    By Ian the Mechanic • Mass Effect & Halo Fanfiction • Updated: 16 May 2022 • Published: 21 Feb 2022 • 14 Chapters • 73,278 words • 0 followers • Sci-Fi/Horror • Rating: M • In Progress

    In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?

  • Mass Effect - Orion

    By Fallen2Pancake • Halo & Mass Effect Fanfiction • Updated: 14 May 2022 • Published: 17 Apr 2022 • 8 Chapters • 61,391 words • 0 followers • Sci-Fi • SPARTAN-B312/Noble Six, D. Anderson, Shepard, Rookie • Rating: M • In Progress

    This is a Mass Effect - Halo - XCOM Crossover. In the year 2084 during the Asteroid Belt Offensive XCOM Elite Unit Strike-1 discovers an Ethereal Station but must Psionic Teleport away but something goes wrong. In the Year 2552 the UNSC Fearless and Orion-Class Assault Carrier is forced to escape Reach under heavy fire, during the Slipsapce Transit something goes wrong.

  • The Way the World Ends

    By Canelo312 • Halo & Mass Effect Fanfiction • Updated: 8 May 2022 • Published: 8 May 2022 • 24,915 words • 0 followers • Sci-Fi/Adventure • Master Chief/John-117, SPARTAN-B312/Noble Six, Liara T'Soni, Shepard • Rating: M • In Progress

    AU. Spartans never die. But we all know that's not true. A terrifying new enemy approaches.

  • War and peace

    By Curiously intrigued • Halo & Mass Effect Fanfiction • Updated: 6 May 2022 • Published: 6 May 2022 • 2,449 words • 0 followers • Sci-Fi/Adventure • Rating: M • In Progress

    The reapers brings new galactic superpowers into the war after invading the Orion arm of the galaxy. will the conflict unite them against a common foe or will they open conflict with each other.

  • Mass Effect: ODST Lost

    By Stardew's Stardrop • Halo & Mass Effect Fanfiction • Updated: 5 May 2022 • Published: 24 Apr 2022 • 3 Chapters • 10,711 words • 0 followers • Sci-Fi/Adventure • Ashley W., Tali'Zorah, Shepard, OC • Rating: M • In Progress

    ODST Captain Nathanial Renkov unintentionally becomes the first Helljumper to survive being dropped through a Slipspace anomaly. The problem? He has no idea where is and is surrounded by aliens the UNSC has no record of. Even worse? No one knows what the UNSC is. Follow his story as he tries to make sense of his new surroundings while trying to survive a new galactic threat.

  • Mass Emile

    By Ranschaj • Halo & Mass Effect Fanfiction • Updated: 1 May 2022 • Published: 12 Dec 2012 • 9 Chapters • 70,369 words • 0 followers • Adventure/Sci-Fi • Emile-A239/Noble Four • Rating: M • In Progress

    Emile survives the two zealots at the end of Reach, and after surviving Covenant onslaught, finds himself in the ME universe. Kick-ass picture is thanks to freejimmy on deviantart

  • Halo: A New Journey

    By mgarner3199 • Halo & Mass Effect Fanfiction • Updated: 27 Apr 2022 • Published: 7 Dec 2021 • 3 Chapters • 2,999 words • 0 followers • Sci-Fi/Romance • Cortana, Master Chief/John-117, Illusive Man, Shepard • Rating: K • In Progress

    Master Chief wakes up in the Mass Effect universe and joins Commander Shepard in an effort to stop the Reapers. With time running out, can they stop the extinction of every species, or will they fade into legend?First, they got to stop the Reapers though...

  • The Canadian Commowealth

    By Vassago1991 • Halo & Mass Effect Fanfiction • Updated: 27 Apr 2022 • Published: 25 Feb 2022 • 3 Chapters • 17,525 words • 0 followers • Rating: M • In Progress

    In the vast multiverse event can happen that should never happen this is the story of one such universe with an event that should have never happened.

  • The voyage of Valiant

    By Lighting wolf knight • Halo & Mass Effect Fanfiction • Updated: 20 Apr 2022 • Published: 20 Apr 2022 • 832 words • 0 followers • Sci-Fi/Adventure • Miranda K., D. Whitcomb, Shepard, OC • Rating: T • In Progress

    There was more on the line... Yet plans and webs were made. Rated T for violence, death, and profanity.

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