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Spartan of Pandora by Kurogane7 reviews
AU, Post Halo 4: After a strange turn of events, John-117 has ended up in the Borderlands universe. One rumor and a long time of boredom, and he is on Pandora. Will he find a way home? Or will he find all that he needs on this unforgiving planet? Rated T for now, pairings undecided.
Crossover - Halo & Borderlands - Rated: T - English - Adventure - Chapters: 2 - Words: 973 - Reviews: 55 - Favs: 56 - Follows: 71 - Updated: 2/11/2013 - Published: 2/10/2013 - 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.
Crossover - Halo & Mass Effect - Rated: T - English - Humor/Parody - Chapters: 1 - Words: 617 - Reviews: 3 - Favs: 14 - Follows: 14 - 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")
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 3,060 - Reviews: 17 - Favs: 22 - Follows: 24 - Updated: 2/8/2013 - Published: 2/4/2013 - Master Chief/John-117, J. Garson
World War 3 by ComedyMaster333 reviews
This is not the World War 3 from COD. This is something I invented, and most of it won't make sense until I add on. This is powered by reviews, so leave suggestions and/or comments! K plus for now, until the war starts.
Crossover - Halo & Call of Duty - Rated: K+ - English - Humor/Adventure - Chapters: 1 - Words: 367 - Reviews: 4 - Favs: 1 - Follows: 1 - Published: 2/7/2013
You are not kids anymore, you are Spartans by Freedom Guard reviews
A one shot creation I made for fun prior to my HD conking out. Finished it now so hope it works. Borrowed element of John and Diana being in a relationship from my Halo Justice League story.
Crossover - Halo & Young Justice - Rated: M - English - Adventure - Chapters: 1 - Words: 10,081 - Reviews: 74 - Favs: 184 - Follows: 99 - Published: 2/7/2013 - Master Chief/John-117, Wonder Woman - Complete
AI by PottsXStark reviews
Aiden sure picked up Tony's brain! see what he created on is fifth birthday! oh forgot to add this is a continuation from the story "What Pepper Wants"
Crossover - Halo & Iron Man: Armored Adventures - Rated: K+ - English - Family/Hurt/Comfort - Chapters: 3 - Words: 3,432 - Reviews: 6 - Favs: 6 - Follows: 6 - Updated: 2/7/2013 - Published: 2/3/2013 - Tony S. - Complete
The Same Dance by Separatist Supporter reviews
In the wake of an experiment with Forerunner technology, the SPARTANs of Blue Team find themselves on an unknown ship, soon to come under threat by a foe as enigmatic, and as ruthless, as the Covenant. They know the price of failure; once more shall a few men and women dance with death-to lay their lives on the line for people they do not, and never will, know.
Crossover - Halo & Vandread - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,830 - Reviews: 11 - Favs: 15 - Follows: 20 - Published: 2/6/2013
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.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Romance - Chapters: 12 - Words: 18,272 - Reviews: 1 - Favs: 2 - Follows: 3 - Updated: 2/6/2013 - Published: 11/7/2012 - Master Chief/John-117, Shepard - Complete
Halo: Elite Force by Ben Griggs reviews
Essentially a rewrite of my other story. I plan to add more detail, character development along with minor plot changes.
Crossover - StarTrek: Voyager & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 19 - Words: 32,102 - Reviews: 51 - Favs: 75 - Follows: 79 - Updated: 2/5/2013 - Published: 7/7/2012 - Seven of Nine, Master Chief/John-117
Samus Aran vs Master Chief by Eb0ny Dragon reviews
Samus Aran is commissioned by the Glactic Federation to explore a new corner of the galaxy. Little does she know another suited warrior is headed to the same planet! Expect a lot of violence and a little coarse language. Done as a collaboration with Wabitgirl on DeviantArt. My first submission to fanfiction!
Crossover - Metroid & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 10,434 - Reviews: 26 - Favs: 28 - Follows: 27 - Updated: 2/4/2013 - Published: 1/29/2013 - Samus A., Master Chief/John-117 - 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.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 64,070 - Reviews: 60 - Favs: 62 - Follows: 92 - Updated: 2/3/2013 - Published: 4/2/2012
Halo: Enter the Vale by Reaper81609 reviews
Will is a Spartan III super soldier, his mission was to deliver an experimental crystal, but during a Slip-Space anomaly he is forced to crash on an unknown planet, a place called Ferelden.
Crossover - Halo & Dragon Age - Rated: M - English - Adventure - Chapters: 19 - Words: 57,537 - Reviews: 56 - Favs: 107 - Follows: 117 - Updated: 2/3/2013 - Published: 10/26/2011 - Merrill
Naruto: Heir of the Forerunners by Archon Azarael reviews
Kuruma, the Kyuubi no Kistune, wakes up from 5 year long nap only to find that his container had an awful life. Enraged, Kurama confronts Naruto and asks him if he would like a family. Upon answering yes, Naruto gets transported to the Forerunner homeworld. Follow Naruto in his adventures in the Halo universe.
Crossover - Halo & Naruto - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,497 - Reviews: 42 - Favs: 148 - Follows: 145 - Published: 2/3/2013 - Master Chief/John-117, Naruto U.
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
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 2,965 - Reviews: 27 - Favs: 69 - 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!
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Hurt/Comfort - Chapters: 3 - Words: 12,091 - Reviews: 81 - Favs: 78 - Follows: 111 - 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.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 4 - Words: 3,974 - Reviews: 21 - Favs: 27 - Follows: 41 - Updated: 2/2/2013 - Published: 1/17/2013
Reclaimer by Hawki reviews
Oneshot: "Reclaimer." A Forerunner term used for humanity. And in the 28th century, surrounded by the ruins of their civilization, a term humanity could arguably use for itself.
Crossover - Destiny & Halo - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 1,067 - Reviews: 9 - Favs: 31 - Follows: 12 - Published: 2/1/2013 - Human, OC - Complete
Colliding Worlds by Johto Gunner reviews
Are we alone in this universe? Or are there creatures on other planets? A young Pokemorph named Krystal has often asked herself this and wants to personally find out if their really are such things as aliens in this universe. What could possible go wrong
Crossover - Pokémon & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 10,832 - Reviews: 76 - Favs: 51 - Follows: 56 - Updated: 1/30/2013 - Published: 8/15/2009
Project Spearhead: The Spirit of Valor by strikeIWSP reviews
A GDI 'project spearhead' commando and her team get transported into the halo world by a unidentifiable Scrin tower, with no way of returning. when she is separated from her team, her and the rest of the GST "Spirit of valor's" crew decide that with no hope of returning, it may be better to try and become civilians in this strange and new earth they have found. (trial chapter out)
Crossover - Command & Conquer & Halo - Rated: T - English - Chapters: 2 - Words: 5,789 - Reviews: 7 - Favs: 11 - Follows: 9 - Updated: 1/30/2013 - Published: 1/2/2013
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
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 28,297 - Reviews: 5 - Favs: 40 - Follows: 45 - Updated: 1/30/2013 - Published: 1/9/2013 - Arbiter, Councilor Tevos
Trafalgar's 'Gate V2 by FuzyDr4G0NZ reviews
A Battle group on an exploration mission, finds themselves far from home with friends old and new and enemies that have a tendency to not die.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 7,167 - Reviews: 46 - Favs: 77 - Follows: 99 - Updated: 1/29/2013 - Published: 11/3/2012
Red Vs Blue - The New Agent by CassieJade23 reviews
Agent Arizona is an amazing agent and has been sent to blood gultch to collect information and to help out red and blue team includes (original characters from red vs blue exempt for Arizona I donor own red vs blue)
Crossover - Halo & Red vs. Blue - Rated: T - English - Romance/Adventure - Chapters: 6 - Words: 3,305 - Reviews: 3 - Favs: 17 - Follows: 17 - Updated: 1/29/2013 - Published: 1/26/2013 - L. Church/Alpha
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.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Angst - Chapters: 6 - Words: 58,105 - Reviews: 161 - Favs: 228 - Follows: 204 - Updated: 1/28/2013 - Published: 3/13/2012 - Cortana, Shepard
Haloid by Bishopian Renault reviews
All AI come from somewhere... Well, used to. There are few new AI who are freshly made from programming. They also said that all Forerunner tech recovered from the war was given to the Infinity. Well, they also used to said that too. And now... This may change most of the stuff that people define AI. I don't own anything. (Title Update: Changed it. No relation to Monty Oum.
Crossover - Halo & Vocaloid - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 7,127 - Reviews: 5 - Favs: 3 - Follows: 5 - Updated: 1/28/2013 - Published: 1/11/2013
SWORD ART ONLINE: BLACK FEATHER by Manga154 reviews
What if everything you knew wasn't true? What if real monsters hid behind the faces of others, like masks to a ball? What if you're traped in a game where death is the only other escape and hides at every corner? Thank god its in Japan, hackers central, and the Maker has your back. Can you stop the son of the Maker? NO KIRITO!
Crossover - Halo & Sword Art Online/ソードアート・オンライン - Rated: M - English - Drama/Adventure - Chapters: 1 - Words: 1,168 - Reviews: 9 - Favs: 7 - Follows: 10 - Published: 1/26/2013
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