343 and Microsoft have the brilliant idea of inviting Bungie and Sony for dinner... how will this turn out for Halo and Destiny? (Just an idea since 343 sucks at live service games. Contains bad grammar and pacing.)

AU. Reach has fallen. A Digimon Tamer was lucky to get off planet, but she didn't expect to get ejected into an UNSC ship fleeing the system to go on their own mission. Can she survive this adventure in one piece?

In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?

This is a Mass Effect - Halo - XCOM Crossover. In the year 2084 during the Asteroid Belt Offensive XCOM Elite Unit Strike-1 discovers an Ethereal Station but must Psionic Teleport away but something goes wrong. In the Year 2552 the UNSC Fearless an Orion-Class Assault Carrier is forced to escape Reach under heavy fire, during the Slipsapce Transit something goes wrong.

Following Psi Serpentis, the fleeing UNSC Everest finds itself in a star system far from the war or the UEG. Teaming up with the Admiral's old flame from the URF and various other elements fleeing the war, the UNSC finds a world, unlike anything they have ever seen before, while on that same world its inhabitants will have their lives changed forever. AU for both Universe. PROLOGUE

After a successful mission, a UNSC fleet makes a random slipspace jump only to come across an uncharted system containing a sliver of humanity, one with seemingly no connection to Earth and whose natural abilities defy reason. In a galaxy full of terrifying dangers, the UNSC and Remnant must work together to defend all they know from annihilation.

The knowledge of sin is the beginning of salvation. More than 40 years after the end of the war against the Covenant, a new storm is brewing on the edge of the human empire. Will the colonies of the Linwood Sector be able to withstand this new threat or will they burn like Harvest once did?

After Fighting For Years In The UNSC/COVENANT War, Spartan 117, Barry, THE Master Chief. Is Thrust Into Yet Another Conflict, However This Time It Is With The Banished. During One Of His Biggest Battles Yet, He Is Sent Falling Into Another Universe, One Where Heroes And The Impossible Are Everyday Factors Of Life. Even Across The Multiverse, Soulmates Can Find One Another.

A spartan, the pinnacle of the human race. Thrust into a new world, full of new enemies, bonds and monsters. Rated T for violence, death, and profanity. Different characters and AU. Next chapter is 1100 words, Not 1500.

Just coming from a desperate battle on another world, Aurdel is hard-pressed to find himself on an alternate Earth where superpowers are completely commonplace. While for now stuck in a battle against Villains and the critics of his methods, he must prepare himself and others for a conflict on the horizon that just may bring about a fiery and devastating end to the world.

When the Milky Way is revealed to the universe at large by a derelict CIS warship, the UEG are forced to become members of the transgalactic community, but its existence is soon threatened by the decline of the Republic, and the rise of an Empire. Adopted from SpaceCowboy2013.

The story is following of ‘The Rescue’ as the sequal. The returning threats among the galaxy’s longest history in the solar system and the home system of Cybertronian where there’s peace from (mostly) Unicron and Decepticon. Until the many hundred years later, the progenitors of Nayla Morrison has made the family history in private from the public for many generations.

Reincarnated in an unknown world after his demise, Spartan-B312 finds himself stuck in the middle of a Shadow War between two organizations with the same goals, but different means of achieving said goals. Intrigue, combat, magic and a brewing war are what the Spartan must survive to uncover his purpose in the strange world of Terra. Welcome to Rhodes Island, Noble Six.

Not everyone is born a hero. Some, well, some are forced into it. Damon has no interest in being the beacon SPARTANs have become. An invincible, implacable force for good standing as humanity's shield. After the War took everything, he became the sword. He fights battles no one wants to see, and the troubled SPARTAN III is fine with that. Sometimes though, we don't get a choice.

It was hard enough discovering that they were the prophesized Charmed Ones and having to battle against Demons, Monsters, and the forces of evil on a daily basis. Luckily for Prue, Piper, and Phoebe they find themselves getting aided from a man out of time...one also known as a Demon.

There was more on the line... Yet plans and webs were made. Rated T for violence, death, and profanity.

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

Jorge, Noble Five, detonates the Slipspace bomb as the last resort. A black hole ripped a hole between galaxies, sending the wreckage of the Supercarrier through to the other side... to the planet of Naboo. With an intergalactic war seeming inevitable, he must adapt to a different and more secretive UNSC, and enemies that are not his own (Halo)(Star Wars)(Assassin’s Creed).

The mission's changed, they always do. Sam wasn't expecting entering another world with no possible way back, but his missions objectives remain the same, "Protect humanity, no matter the cost." At the same time, he will be forced to come to terms with his new home and learn what it means to be a hero in this new world. At least he doesn't have to do it alone. (Sam goes to UA)

After the pyrrhic victory of the Human-Covenant War, the Covenant was split into many warring factions vying for the power of old. The UNSC was left, bloodied, but as the sole power in the Milky Way for now. After an incredible discovery within a set of Forerunner Ruins, an Exploration Fleet with Doctor Halsey at its head is sent out. What they find will change everything.

The war is over. Things are starting to establish a new normal, including a popular game called Digimon seeing a resurgence in popularity. Ellie has a short lived victory in a local Digimon tournament before she's sent to Onyx to be part of a coexistence project, but the Digital World soon calls for help there...

The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her, cared for her. To no longer have her means to lose another part of his humanity. Still the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?

When a new yet familiar Enemy threatens Neo-Queen Serenity and her court/friends, an unlikely ally appears and just happens to have a UNSC Warship at his command. But can Serenity's Senshi trust this new armored clad stranger?

To see a meeting between two different breeds of soldier was... Something else. Rated T for violence, death, and profanity.

So yeah it looks like another hololive Origins fanfic, this time Nanashi Mumei's past, yeah this my own head cannon. The 26th century she is from and is an ODST. Overall, just reading it may be good or not.