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The Roboutian Heresy by
Zahariel reviews
Inspired by the great Dornian Heresy of Aurelius Rex, here is an alternate timeline to the Warhammer 40000 universe, where Guilliman turned traitor instead of Horus, and led half the Legions in rebellion against the Emperor. The Index Astartes are done for all Legions. Now, the Times of Ending have begun ...
Warhammer - Rated: T - English - Adventure - Chapters: 56 - Words: 750,287 - Reviews: 666 - Favs: 579 - Follows: 545 - Updated: 10/17 - Published: 7/30/2014 - Chaos Space Marines, Space Marines
Death Korps of Justice by
Lord-of-Change reviews
A young Death Korp soldier, in a battle with a follower of Chaos, ends up swallowed by the Warp. By a stroke of luck, he's sent to Earth, to a world without an Emperor, to a world where villains and heroes battle it out across the globe. With no Emperor to serve and no war to fight, this young soldier must struggle to find his own path in a world that challenges all his beliefs.
Crossover - Warhammer & Young Justice - Rated: M - English - Sci-Fi/Adventure - Chapters: 42 - Words: 382,431 - Reviews: 2398 - Favs: 2,230 - Follows: 2,389 - Updated: 9/29 - Published: 7/21/2013 - Imperial Guard, Deathstroke
Stargate 117 by
BIG Z1776 reviews
When the UNSC finds a Stargate and decides to use it things happen in a way never before seen. The most powerful Human entity in the galaxy has arisen to take the galaxy back from evil and oppression. But the road ahead is long and tough, and Earth will look to its mightiest champions to take the fight to their enemies. No Covenant or Forerunners. Normal SG-1 bad guys and setting.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 37,601 - Reviews: 244 - Favs: 460 - Follows: 562 - Updated: 3/12 - Published: 10/7/2013
White by
Melkor's Mercy reviews
What if Rukia had never shown up and given Ichigo Shinigami powers? What if the hollow killed him instead? How would this affect Aizen's plans of betrayal? Ichigo finds himself eaten by a hollow shortly after death and awakens within the desolate realm of Hueco Mundo as a Gillian. With only fragmented memories of his past life, he struggles to achieve purpose. Ichigo/harem
Bleach - Rated: T - English - Adventure/Romance - Chapters: 27 - Words: 323,307 - Reviews: 4111 - Favs: 8,479 - Follows: 8,857 - Updated: 2/27 - Published: 2/4/2015 - Ichigo K., Neliel T. O./Nel, Apacci, Menoly
Terran Federation: Counterstrike by
L4 of the WEST reviews
It's been 8 years since the end of the 2nd Bug war. Humanity is starting to enter its golden age in the galactic stage, with technology no one can replicate, with allies that no one has accepted, and a military capable of taking on any competitor it seems. But that will change, those who employ chains are circling like wolves, and an enemy thought dead return
Crossover - Starship Troopers & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 17 - Words: 127,756 - Reviews: 137 - Favs: 426 - Follows: 459 - Updated: 11/18/2019 - Published: 2/16/2017
The Fighting Spirit by
smart grid reviews
Spartans never die, they say. When Jorge gave his life to save his home planet of Reach, he never imagined that he would survive. But now he finds himself neck deep in the troubles of another universe; he will do what he has been trained to do, what all Spartans do best: fight.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 40 - Words: 176,374 - Reviews: 794 - Favs: 1,400 - Follows: 1,353 - Updated: 3/4/2019 - Published: 12/1/2011 - Jorge-052/Noble Five, Shepard - Complete
UNSC OPERATION: ORESTES LIBERATION by
SmokeTinyTom reviews
UNSC OPERATION: ORESTES' LIBERATION details the extraordinary exploits of the UNSC's efforts during the Titan War on the Imperial Forge World of Orestes and how their actions effected the Sabbat Worlds Crusade and the Imperium as a whole. A/N: This is working in conjunction with my UNSC Codex: Vehicles and Equipment. [UPDATE: COVID-19: I'm alive and writing again. Bear with me].
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 21,834 - Reviews: 34 - Favs: 52 - Follows: 66 - Updated: 10/1/2018 - Published: 9/20/2015 - Imperial Guard, Space Marines, Emile-A239/Noble Four, OC
Blood of Ignorance by
Jaenera Targaryen reviews
When visions flicker through the Warp of evils unleashed by folly and ignorance, the Eldar and the Imperium alike move to keep the Great Enemy from breaching the Veil and reach forth into the material realm. But things are hardly simple, especially where the Inquisition, the Eldar, and the Thousand Sons are involved. Set in Zahariel's Roboutian Heresy universe.
Warhammer - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 25,577 - Reviews: 26 - Favs: 72 - Follows: 87 - Updated: 1/26/2018 - Published: 8/23/2016
The Rising Autumn by
TwinkieMain reviews
The conflict between an ancient empire and a modern military from another Earth was foreseen by many to be a strange affair. However, unknown to even both sides, the people of Falmart will find themselves joined by an unfamiliar third party, who come from a place that was least expected: Beyond the stars. The Autumn has risen, and the UNSC will leave its mark on the exotic world.
Crossover - Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Fantasy/Sci-Fi - Chapters: 6 - Words: 27,217 - Reviews: 187 - Favs: 580 - Follows: 804 - Updated: 12/11/2017 - Published: 7/12/2016 - Master Chief/John-117, J. Keyes, Tuka
Armageddon's Flight by
ZRR39 reviews
The UNSC Armageddon, before the completion of the Infinity, was the largest and most deadly military vessel constructed by the UNSC. It was built for Operation Red Flag, though it went missing shortly after receiving three Spartan III companies from Onyx causing the Pillar of Autumn was chosen for the operation. This is a story of where the Armageddon went and what happened to her.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 14,419 - Reviews: 70 - Favs: 109 - Follows: 142 - Updated: 9/16/2017 - Published: 10/17/2016
Terran Federation: Contact by
L4 of the WEST reviews
For more than 20 years, the Terran Federation's path into the darkness beyond Earth has been marked by war, betrayal, and bugs. Every alien they met in the blackness of space has been hostile, pushing the region on a path to another great interstellar war. But sometimes, you get lucky, will the 6th time over Shanxi be it?
Crossover - Starship Troopers & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 28 - Words: 164,615 - Reviews: 370 - Favs: 828 - Follows: 858 - Updated: 4/16/2017 - Published: 8/7/2014 - Complete
Fox & Raven by
CorvusAlbus reviews
An eldar Pathfinder finds herself hunting the same demonic prey as a Scout Sergeant, and they are forced to work together in order to accomplish their common goal and survive. But can they work together and keep their word, or will old grudges and personal daemons come to the surface? And what will they learn of each other? The Aurelia Crusade is over; the hunt for traitors isn't.
Warhammer - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 8 - Words: 55,417 - Reviews: 42 - Favs: 69 - Follows: 78 - Updated: 3/31/2017 - Published: 8/1/2016 - Chaos Space Marines, Daemons, Eldar, Cyrus - Complete
Project Blue Book by
AmeliusTheAlteran reviews
Involved Presidents, an inquisitive assistant, and professional soldiers. A pragmatic look on how the United States would use the stargate and explore uncharted planets.
Stargate: SG-1 - Rated: T - English - Adventure - Chapters: 24 - Words: 89,124 - Reviews: 400 - Favs: 795 - Follows: 952 - Updated: 3/25/2017 - Published: 11/30/2014
Halo: Interstellar War by
Merodach the Original Sin reviews
The UEG has been exploring the Milky Way galaxy for centuries, expanding and developing in isolation. It is only when the UNSC finds a Stargate that humanity learns that they aren't alone amongst the stars. Many wondrous mysteries and dangerous secrets are revealed at the dawn of the first interstellar war in human history with an alien foe.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure - Chapters: 1 - Words: 10,993 - Reviews: 23 - Favs: 131 - Follows: 156 - Published: 10/30/2016 - S. Carter, J. O'Neill, Master Chief/John-117, C. Halsey
HALO: Colonial Contact by
Thorthemighty321 reviews
UNSC Ships are fleeing from Reach, being hotly pursed by Covenant Forces. They make a jump into Slipstream Space and wind up stumbling across the Twelve Colonies of Kobol. Shortly after First Contact with the Twelve Colonies of Kobol, the Covenant attack, can the combined forces of the UNSC and the Colonial Navy Stop them?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 6,802 - Reviews: 23 - Favs: 69 - Follows: 110 - Published: 10/28/2016 - O'Brien, OC, W. Adama, L. Adama/Apollo
The Halo Effect by
Agentweapon Proelium-Tempus reviews
The UNSC dispatches a small task force to investigate an artefact with origins not of the Orion Arm. The Citadel Races, including the Systems Alliance, are in for an eye opener when two new players in galactic prowess are not only technologically superior but also not bound by the Element Zero and its constraints. Rated T for reasons. AU in both Halo and ME events.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 16 - Words: 50,729 - Reviews: 376 - Favs: 1,289 - Follows: 1,633 - Updated: 9/26/2016 - Published: 8/6/2015 - Master Chief/John-117, OC, J. Garson
Chains of the Kindred by
Solvdrage reviews
A HaloWarhammer 40K crossover. Two besieged branches of Humanity, separated by time and space have been reunited. And there is only War!
Crossover - Warhammer & Halo - Rated: T - English - Chapters: 23 - Words: 155,118 - Reviews: 478 - Favs: 838 - Follows: 852 - Updated: 7/26/2016 - Published: 7/24/2007
Jurassic World by
pmraptor98 reviews
Jurassic World - done my way. More accuracy, more backstory.
Jurassic Park - Rated: T - English - Sci-Fi/Adventure - Chapters: 48 - Words: 145,534 - Reviews: 55 - Favs: 90 - Follows: 91 - Updated: 1/5/2016 - Published: 6/15/2015 - Velociraptor, T Rex, Claire, Owen - Complete
Souls of Steel: Resurrection by
Theonewhodidnotdoit reviews
The Dawn never found Requiem. Cortana is forced to make a great sacrifice, leaving the Master Chief alone in space. Hundreds of years later, the wreck is discovered on the fringes of inhabited space by bounty huntress Samus Aran. What she finds inside is neither man nor machine, but either way, it is broken... and yet it is strong. Part 1 in a trilogy. Complete, awaiting Part 2.
Crossover - Metroid & Halo - Rated: T - English - Sci-Fi/Friendship - Chapters: 13 - Words: 52,468 - Reviews: 306 - Favs: 559 - Follows: 594 - Updated: 9/13/2015 - Published: 4/20/2014 - Samus A., Adam M., Master Chief/John-117 - Complete
(Re-Write) The Star and the Spartan by
Composer777 reviews
There's an old saying amongst the UNSC: "Spartans never die. If they disappear, they're just missing in action!" Everyone on planet earth knows this is a lie, but find comfort in it regardless. Content to believe that immortal guardians are watching over them. And in time, a rag-tag group of beings will see that man is capable of things they could never have imagined possible.
Crossover - Lord of the Rings & Halo - Rated: T - English - Fantasy/Adventure - Chapters: 6 - Words: 22,699 - Reviews: 37 - Favs: 128 - Follows: 166 - Updated: 9/3/2015 - Published: 6/6/2015 - Aragorn, Boromir, Master Chief/John-117
Blood of West and East by
Composer777 reviews
(Sequel) He had always known that the galaxy was strange. Once he had been a simple soldier, trained how to fight above all else. But his experiences have changed him, potentially forever. He realises that life is more complex than he could have ever imagined. What is more, he knows that there are stranger things than Flood and Forerunners out there, amongst the glistening stars.
Crossover - Lord of the Rings & Halo - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 17,456 - Reviews: 74 - Favs: 119 - Follows: 140 - Updated: 10/9/2014 - Published: 3/6/2014 - Aragorn, Boromir, Master Chief/John-117
Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
The Destroyer of Worlds reviews
Set in Zahariel's Roboutian Heresy Universe. Stahl Gorgas, a Space Marine of the the Death Guard comes with a strike force to aid the the Alpha Legion as the main thrust of Hive Fleet Leviathan approaches the planet of Alpha Tarsis. He doesn't know what they have will be enough to stand against the great devourer, but one thing he is certain of is that he will die on this world.
Warhammer - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 7,304 - Reviews: 8 - Favs: 12 - Follows: 9 - Updated: 7/24/2018 - Published: 11/25/2017
Battlestar Galactica: The Guiding Fire reviews
199 days after the Cylon attack on the 12 Colonies, a chance encounter brings the Colonial Fleet in contact with the UNSC Spirit of Fire after the events of the Forerunner Shield World. Can they work together to reach UNSC space before the Cylons wipe them all out and manage to overcome the odds without killing each other first?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 13 - Words: 157,922 - Reviews: 555 - Favs: 912 - Follows: 1,179 - Updated: 2/2/2018 - Published: 11/13/2016 - J. Cutter, Serina, W. Adama, K. Thrace/Starbuck
Second Chances reviews
A tale of inter-dimensional war, the admittance of past sins and seeking atonement for them in the face of cosmic horrors beyond imagination. Can the Eldar overcome their own inherent flaws to right the wrongs of the past and work with a besieged aspect of humanity in an alternate reality? ON HIATUS, SORRY.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 35,970 - Reviews: 55 - Favs: 228 - Follows: 271 - Updated: 2/7/2017 - Published: 11/13/2016 - Chaos Space Marines, Eldar, Master Chief/John-117, Cortana