A multicrossover series of one-shots depicting several franchises and their encounters with the Flood. I do not own Halo or any other franchises depicted in these stories.

A battle between Covenant fleets and UNSC warships is thrown into another galaxy by a Forerunner Galaxy. Now its up for a rookie admiral to stop the Covenant from wiping out all life... All while learning to learn his destiny. Rated T for violence, death, and profanity. Betas welcome... I don't know how Betas work for the person who keeps asking. Next chapter in August for now.

A team of Spartan II's named Wolfpack go on adventure after the events of Halo 4 and Spartan Ops an anomaly causes them to get sent into the Mass Effect universe starting where it all began on Eden Prime and they run into and ally themselves with Cmdr Shepard and the Normandy crew, Can both the Spartans and the Normandy crew prepare themselves for what lies ahead of them?

A nuke, a slipspace portal, and a human digitizer - the perfect ingredients for the unexpected. Fortunately for Shepard and Co., a little unexpected, or in this case, a BIG unexpected, is just what this galaxy needs. Get ready to finish the fight, laser up, and give some people back their bombs.

The Covenant Empire discovers an ancient construct on the fringes of their domain. They interpret it as an ancient Forerunner slipspace device. Upon the destruction of a scout probe they send through the relay, they send Thel'Vadamee to the other side to secure the partner. 'Vadamee unknowingly takes the Fleet of Particular Justice into a galaxy embroiled in war with the Reapers.

Normally when one finds themselves in another world their life is going to be one filled with adventure. But after being hit by a train I found myself running for my life as the world exploded around me and literal monsters hunting me down. What's worse is that I just didn't find myself in a typical alternate universe. But a universe that was an amalgamation. MULTI X OVER SI.

After decades of ponderous travel through space the UNSC Spirit of Fire stumbles across the drifting tomb of Humanities greatest hero. Within the ship they find the means of possibly making it home, but to get there they will have to make alliances that could upend the balance of power in the Galaxy and change everything the Council races thought true.

Down but not out after the fall of Reach, Noble Six is unwittingly sent to another reality. With Halsey as a nefarious ally, and ONI as a potential enemy, his loyalties are now split and he'll need help. He'll need to uncover a sinister plot transcending both worlds, battle foes near and far, and learn to work with unexpected and alien allies. Time to pick up a new team.

When a research ship finds a anomoly at the edge of Harvests system, a young militiaman and the whole UNSC are thrown into a galaxy much larger than they could have dreamed. Pre-war UNSC, with a mixture of Halo and Mass Effect characters and some OCs, all fighting for humanitys and maybe, if time and money is left over, the Citadels future.

The last thing that John Martinez expected after he died was to be told he was destined for a greater purpose. Armed with the experiences, power, and skills of a certain Spartan-II supersoldier, he would strive to defend humanity and the innocent, and he would have his AI partner with him every step of the way. With knowledge of the future, he strives to save a world not his own.

Humanity has not met the Council, nor met the Covenant, and a two-pronged First Contact is due. How will these meetings shape the future to come, and the future that might have been? Buffed Humanity, Buffed Reapers,Halo/Mass Effect Crossover, Combined Universes, Modified Timeline. Rework of the older The Final Frontier: The Last Cycle. Use App, Browser Broke.

Noble 6 no murió se fue a otro lugar muy diferente al suyo, ahora deberá salvar a la galaxia con su nuevo equipo (Advertencia: este fic tendrá Lemon en algunos capítulos)

The Reaper's return was delayed; colonists are disappearing, and mysterious incidents are happening at random colonies all over the Galaxy. Are the two surviving Reapers of the battle of the Citadel behind this events? Or is it someone else? The SPECTRES, CERBERUS and the Alliance will have to find out and put an end to this. The sequel to The Next Great Journey. Discontinued.

Synthesis has been achieved, and now, the Reapers move to help rebuild...except one. Harbinger, amazed by humanity's success, moves to aid humanity. Now, brought to this world by one called "Librarian", Harbinger must use all his cunning to protect humanity from the greatest threat it's ever known...He also must now face something he never faced before: emotion… REWRITE VERSION

Devils and Gods are two halves of the same whole. Life is sown by those whom many would consider gods but the created revolt and destroy their godly creators only to create in their wake the devils who would destroy what they themselves sought to call their own, but can devils rise to create once more or will the cycle of revolt continue on in a new galaxy.

After four years of drifting in space, the Master Chief and Cortana have finally returned. Unfortunately, not everything is the same as it was from when they left. Many creatures still lurk about in the depths of the unknown, making the galaxy just as dangerous. But what happens when the most dangerous super soldier in the galaxy runs out of his most valuable skill? [Discontinued]

After the Normandy's destruction, Tali'Zorah goes out to traverse the lesser explored places in the galaxy in search of rare materials for the Migrant Fleet. While on her adventures she finds something that shouldn't belong... she finds a Wreck... The Galaxy will never be the same.

Commander Shepard and his crew find the other half of the ship that MC is on. When they find him they have no idea what they should expect but an chemically suped up human was not one of them. I don't own Halo or Mass Effect 343industries and BioWare do.

Through unknown forces of immense and unimaginable power, two galaxies merge and superpowers of both galaxies is forced to deal with the reality of the broken status quo. Jane Shepard, first human Spectre, finds herself in the center of the events to come, for in the dark void outside the galaxy, the Reapers prepare their return to cleanse this new galaxy of life.

One hundred years after the end of the Human-Covenant War an ill-fated UNSC expedition opens Relay 314, revealing a civilization unprepared for their arrival, and relics from a terrible past.

A Citadel Ship crash-lands on Reach during it's darkest hour. How will these new arrivals change the battle for Reach... and how will they affect NOBLE team?

Spartan's found only to be lost. A ship filled with humans in a galaxy not their own. The Spirit of Fire finds itself with new allies in a galaxy they are unfamiliar with, dealing with its own set of problems and apocalyptic enemies. Co-created and written with BulletStormX

After Noble six died on Reach she wakes up in a different world with no understanding of its working but could only blame her bad luck from making things bad to worse. Couldn't she rest in peace after she died? With no one but herself to rely on and aliens everywhere, how will she go about to live a peaceful life alone and spill no more bloodshed when she is hunted down for her MKV

Synthesis has been achieved, and now, the Reapers move to help rebuild...except one. Harbinger, amazed by humanity's success, moves to aid humanity. Now, brought to this world by one called "Librarian", Harbinger must use all his cunning to protect humanity from the greatest threat it's ever known...He also must now face something he never faced before: emotion...

In the year 2556 the small yet prospering U.N.S.C colony world of Shanxi is attacked by an unknown species. The events that followed will change everything for both the U.N.S.C and their Allies. I do not own Halo or Mass Effect both games belong to there respective owners. Chapters 1-9 are undergoing rework.