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Element Halo by Iron Warriors reviews
When shots are fired between the U.N.S.C. and a new unidentified alien faction. Who, will survive? Find out for yourself here. This story is denying Halo 5's existence because we all know why. Rated M when the Reaper war comes full circle.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 28,477 - Reviews: 107 - Favs: 227 - Follows: 369 - Updated: 6/22 - Published: 12/11/2017 - OC
Exiles by Darth Swagger reviews
After a failed coup the clone army and there generals are exiled. One ship comes upon a planet under going a covenant attack and decides to intervene.
Crossover - Star Wars & Halo - Rated: T - English - Adventure - Chapters: 4 - Words: 25,560 - Reviews: 8 - Favs: 28 - Follows: 27 - Updated: 6/22 - Published: 4/27 - Commander Cody, Commander Bly
Remnants of a Spartan by playererror404 reviews
Noble Six thought her life was over, she thought she Reach was gonna be her last stand. She was wrong, now she's fighting monsters with super powered teenagers... On top of that she's younger and has no clue whats going on.
Crossover - Halo & RWBY - Rated: T - English - Adventure - Chapters: 112 - Words: 281,152 - Reviews: 449 - Favs: 220 - Follows: 276 - Updated: 6/22 - Published: 11/17/2017 - SPARTAN-B312/Noble Six, Team RWBY, Team CFVY
Effects of a Titan by greeneman42 reviews
A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 26 - Words: 173,562 - Reviews: 891 - Favs: 1,285 - Follows: 1,675 - Updated: 6/22 - Published: 11/26/2013 - Master Chief/John-117, Cortana, Shepard (F)
Conflicted Galaxies by FR0ST16 reviews
When a fully armed UNSC Infinity is transported to another galaxy by a strange spatial anomaly, Lasky and his crew are forced into the middle of a galactic Civil War, but soon realize they weren't the only ones affected by the very same anomaly that brought them there. Their struggle eventually leads to the liberation of a planet and full out intergalactic warfare.
Crossover - Halo & Star Wars Rebels - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 58,531 - Reviews: 119 - Favs: 132 - Follows: 165 - Updated: 6/21 - Published: 12/27/2017 - [Ezra B., Sabine W.] Master Chief/John-117, T. Lasky
Halo: The Pegasus Vendetta by tento125 reviews
With the Covenant war over, the UEG has turned towards exploration and colonization again. The Pegasus Initiative was launched to start humanity's first ever out of galaxy colony. What the colonists find there however, is nothing they could ever imagine.
Crossover - Halo & Stargate: Atlantis - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 15,499 - Reviews: 23 - Favs: 51 - Follows: 84 - Updated: 6/21 - Published: 12/31/2017 - Elizabeth W., Rodney M., John S., Teyla E.
Justice in a galaxy with none by TotalSenseless reviews
Princess Diana's peaceful life on Themyscira is shattered with the arrival of the first men on the island and the news that world outside her home has been in constant war. Diana sets off on an adventure to bring justice to a galaxy that has long forgotten its meaning.
Crossover - Halo & Wonder Woman - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,865 - Reviews: 3 - Favs: 7 - Follows: 17 - Published: 6/21
A Tale of two Mirandas by AzureSpider reviews
Just a fun little Fusion Fic one-shot I did based on the coincidence of how these two popular Sci-Fi shooter series both have a lovely brunette named Miranda in them. Set in a world where the UNSC and Citadel races have been at war with the Covenant, and a chance encounter with a woman who shares her name changes Miranda Keyes' life forever. Easter eggs abound.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 1 - Words: 6,600 - Reviews: 2 - Favs: 3 - Follows: 2 - Published: 6/20 - [Miranda K., Miranda L.] [Kelly-087, Shepard (M)] - Complete
The Men From Onyx by kpmh2001 reviews
Four ODSTs, an A.I, a Spartan-3, and a crewless UNSC Destroyer are sent to Remnant after a disaster involving a slipspace drive. In what ways will they interact with this strange new world, and will they even survive? Rated T for Violent depictions of warfare, suggestive references, and language.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 50 - Words: 122,320 - Reviews: 236 - Favs: 173 - Follows: 233 - Updated: 6/20 - Published: 1/25 - F. Mendez, Kurt-051, J. Ironwood, Winter S.
Green vs Orange: robotic crisis by Fire Scorpion
Green Team and Team Orange were having a normal day. A blue spy arrived at their base. telling them something about a robotic Uprising was going to happen. I would roll teens must come together to stop this crisis
Crossover - Team Fortress 2 & Halo - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 163 - Published: 6/19
Remnant Commando by THE Glorious Him reviews
A retired sangheili commando is sent to the world of Remnant by an ancient device found on a Sangheili-Human joint occupation world. Will his "charismatic" nature find him new allies and a way home, or will he be forced to face down a world full of humans forged by nature's wrath.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 40,085 - Reviews: 63 - Favs: 75 - Follows: 121 - Updated: 6/19 - Published: 12/26/2017 - OC, Penny P., Team RWBY, Team JNPR
A Better Tomorrow by jak3combat reviews
Helljumpers. Little Imps. Or just ODSTs. It doesn't matter what they're called, they're some of the best units in the entire UNSC, aside from the remaining SPARTANs. They've gone through rigorous trials to get to where they are today. Over New Mombasa, this group of Helljumpers don't quite make it to the ground. Instead, they arrive somewhere none of them can quite identify...
Crossover - My Little Pony & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 6,440 - Reviews: 5 - Favs: 3 - Follows: 7 - Updated: 6/19 - Published: 5/25
HALO: The Andromeda Chronicles by UH-60 NIGHTSTALKER reviews
A collection of stories, behind the stories which forever changed a Galaxy which was not so far away. Ratings may change for future chapters.(ON EXTENDED HIATUS)
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 62,722 - Reviews: 157 - Favs: 177 - Follows: 189 - Updated: 6/19 - Published: 1/4/2015
Heroes UNITE! by So-Pro Warrior reviews
Commander Shepard and his team have gathered together the races of their Galaxy in an effort to defeat the Reapers. But is it enough? When the Commander and his team come across a strange woman they find out that if they are to truly defeat the Reapers once and for all. They will need all the help they can get. But not from their Universe. Multiverse Crossover!
Crossover - Mass Effect & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 25 - Words: 587,966 - Reviews: 338 - Favs: 187 - Follows: 190 - Updated: 6/17 - Published: 6/21/2013 - Master Chief/John-117, Shepard (M)
From Domination to Genocide V2 by InnocentBlaze686 reviews
4000 years before Darth Vader, there was Mandalore the Preserver, who mysteriously disappeared from the galaxy. With the death of Chancellor Palpatine during his attempted kidnapping, the Republic seeks a new advantage over the CIS, which comes in the form of the newly found Mandalore. But something draws the Jedi away from the Republic: the screams of those suffering genocide.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 36 - Words: 125,050 - Reviews: 160 - Favs: 182 - Follows: 235 - Updated: 6/17 - Published: 1/23/2016
Catalog of War by hunter 139 reviews
A collection of one shots about events, including battles, conflicts and skrimishes, that occur in the shared multiverse of my stories. I do not own any of the franchises that appear in this series. Multicrossover.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 14 - Words: 26,911 - Reviews: 12 - Favs: 15 - Follows: 10 - Updated: 6/17 - Published: 4/21/2015
The Challenge by Gabenator5 reviews
This is an inspirational little piece of plot to hopefully give aspiring fanfiction hobbyists some inspiration to make a good Halo/Warframe story... I hope someone takes up the torch and writes an epic saga with this little plot bunny at its base.
Crossover - Halo & Warframe - Rated: K - English - Adventure/Sci-Fi - Chapters: 1 - Words: 174 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 6/16
Lone Wolf by Mkchief34
The Spartan-III known as Noble Six is revived in Clarines after his last stand against the Covenant. Adapting to his new home is mich easier said than done however, especially if you're a alien super-soldier...(Six wears Gray/Yellow Mk.V B armor with a scarf and helmet visor.)
Crossover - Halo & Akagami no Shirayukihime - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,576 - Favs: 2 - Follows: 2 - Published: 6/16 - [Zen W., Shirayuki] SPARTAN-B312/Noble Six, Izana W.
Divine Justice by Lord Arlian reviews
When a Covenant Seperatist cruiser is thrown acrcoss the universe by a slipspace anomaly, it lands in the middle of a conflict between the Jedi and the Sith. Its crew now struggles to survive in a galaxy divided. (Updated)
Crossover - Halo & Star Wars - Rated: T - English - Drama/Adventure - Chapters: 5 - Words: 4,466 - Reviews: 10 - Favs: 19 - Follows: 28 - Updated: 6/16 - Published: 2/20/2012 - D. Malgus
Not Your Fault by CommanderAuri reviews
An AU bit in an RP with fallen-warrior1023 where everything goes wrong.
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi/Angst - Chapters: 1 - Words: 1,391 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 6/16 - Complete
Touch by CommanderAuri reviews
A shared little moment in time between two soldiers. Edit: To clarify, this was a little piece I wrote for a friend of mine in a crossover RP we've been doing.
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi/Romance - Chapters: 1 - Words: 492 - Reviews: 1 - Published: 6/16 - Complete
Halo: Justice Evolved by We'retheDesperateMeasures-ODST reviews
What do you get where you combine an elite ODST squad, a former UNSC Army Captain, a legendary supersoldier, and a Marine with divided loyalties between an alternate 21st Century America and the 26th? In this 'unofficial sequel' to Halo: Always Faithful Always Forward you will see how the UNSC soldiers react to the DC universe being an actual reality. Time to bring law and order!
Crossover - Halo & Young Justice - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 13,993 - Reviews: 16 - Favs: 23 - Follows: 34 - Updated: 6/15 - Published: 4/19 - [E. Buck, V. Dare] Master Chief/John-117, Bruce W./Batman
Book One: Dawn of a New Age by DragonheartODST reviews
Humanity had been expanding across the stars for over 5 centuries in relative peace. But an alien alliance known as the Covenant wishes to destroy humanity entirely. Now threatened with extinction, can the fate of just one battle-scared survivor change the events of the war and those participating in it? Multi-crossover with Halo, Mass Effect, and a little bit of StarCraft.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 10 - Words: 107,744 - Reviews: 244 - Favs: 234 - Follows: 280 - Updated: 6/15 - Published: 5/19/2016
Sangheili and Dragons by Legion 716 reviews
After an attack by surviving Brute warships, the Shadow of Intent crash lands on a world similar to that of Humanity's Earth. After impact, the Arbiter meets a completely new creature to him, one of great power: Cynder. With a new, menacing Jiralhanae leader in charge of an imminent invasion, Thel and Cynder must combine their people's abilities to beat back their greatest foe yet.
Crossover - Spyro the Dragon & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 80 - Words: 377,364 - Reviews: 397 - Favs: 115 - Follows: 96 - Updated: 6/15 - Published: 7/19/2011 - Cynder, Arbiter
The Covenants Mistake by 336 reviews
The Covenant fear Demons, and Demons fear Doomguy.
Crossover - Doom & Halo - Rated: T - English - Sci-Fi/Horror - Chapters: 6 - Words: 19,837 - Reviews: 62 - Favs: 113 - Follows: 154 - Updated: 6/14 - Published: 10/15/2017 - Doomguy
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