Its been eight years since the end of the Reaper War, ten years since the creation of the Coalition. Now after many years of rebuilding Rookie is called back to command the Coalitions' latest exploration vessel. His mission, to explore strange new worlds, to seek out new life and new civilizations to boldly go into battle where none have battled before

(Credit to Adrasos on Archive and his story, Prepare to Drop, for the idea.) On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, while Shepard tries to find and rescue the new Primarch. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix.

After the Battle of the Ark, a UNSC Pelican dropship crash lands on Thessia. Two ODSTs survive the crash and make contact with primitive Asari. Ninety thousand years later, Liara T'Soni discovers a strange looking aircraft and Human remains in an ancient cave burial chamber. The discovery she makes will take the Asari on a journey to discover their true lineage.

When everything seems to be going in the right direction Shepard learns of an old accident that forces him to seek allies in other universes.

Boz the Buzzard hosts this pirate radio station, beaming out music to the Normandy, Fallen Serpent, Crusty Chorka and Ascendant Justice non-stop. BBR has only one mission, to keep Rock n Roll alive in the dark void of outer space. A companion story to "Remnants" that shows what happens while Shepard is off playing hero. Part of the Wormhole Chronicles Saga.

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.

Noble Six was alone after the death of Emile. The Pillar of Autumn had left Reach, leaving the lone Spartan behind. But what if instead of dying on Reach, fighting to his last breath, Six survived? What if he escaped Reach and headed for Earth, only to end up in another galaxy, in another war? Will he agree to fight the reapers alongside aliens? Find out in Noble Effect

A crossover of Mass Effect and Halo. The Forerunners were masters of Mass Effect technology 100,000 years ago before being destroyed by the Reapers. In an effort to defeat the Reapers the Forerunners created new technology not dependent on element zero. Reseeding the Halo species with technology/resources they could use to defeat the Reapers. Better summary inside.

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.

Jane Shepard has seen it all. God Machines, pirate onslaughts, the under belly of the citadel, Prothean city worlds. dead races reborn on ice world, looked down the barrel of a Krogan shotgun determined to save his people but how will she deal when she meets men that have seen things that only exist in her nightmares.

To meet a being such as her? He did not understand. But their path? They walked it together.

A Reaper is launched from it's home galaxy during one of their many cycles, and spends countless years floating through the empty void of space. It's unintended destination results in the nearly destroyed machine unknowingly put in the middle of a galactic war between a coalition of religeous zealots and an ambitious race expanding over the stars. Picks up at the start of Halo: CE.

Arthur Ross a ONI Section Zero operative is transported to the Mass Effect universe to escape the Created, where he is quickly recruited by Cerberus believing in their goal of human dominance. Will he succeed in reclaiming Humanity's rightful place in the stars or fail like those before him.

A ODST is mysteriously transported to the Mass effect universe When a slip space accident occurs amidst the final evacuation of Reach. Will he be a help or hindrance in the fight to come? (All chapters rewritten.)

At the height of the Human Covenant war, another galactic power intervenes to aid the embattled humans. Standing side by side with the Turians, the UNSC prepares for a new phase of the Human Covenant war.

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?

Continuing from Best of Spartans and Spectres. Commander Shepard has been captured and Noble Six turns to the one group that can help save her, but will that help come at too great of a cost?

How far has Humanity truly come from it's humble beginnings, from once cavemen to those that can conquer the stars. For both were met with war yet one was welcomed into the fold while they other waged a hopeless war, and yet was able to survive. Now both and their allies now face a danger like none before, can they survive or will they meet extinction?

A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2

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 team comes 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! Chapters 6-22 Being Rewritten!

When we started to expand past the Orin Arm of the Milkyway, we didn't know what to expect. Once we were out there though, things changed big time. For those brief 30 years we were the top dogs of the galaxy in all powers but like always when humanity reaches a higher seat of power, something always comes to make us fall... This time however the fall will cost our entire race.

B312 gets sent to the Mass Effect galaxy, he tries to go home by building a slipspace drive but problems pops up as building a slipspace drive is by nomeans easy.

Having long since combined forces, a fleet of the Humans and Covenants finest are torn from the universe they know to be thrown in to a strange and desolate reality. They will strive to uphold the Mantle against the Mass Effect's most Ancient Enemy. Will they break the cycle?

The USS Voyager comes face to face with the massive ship that is the UNSC Infinity after Voyager's nearly fatal first test of their quantum slipstream drive. Getting home isn't their only issue. They will have to work together in order to unravel the ancient threat that plagues the new galaxy that they find themselves in. Star Trek:Voyager, Mass Effect, and Halo triple crossover

After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.