Marcus thought he was done fighting after the death of Queen Myrrah, and the activation of the Imulsion Countermeasure. When he goes to help Baird investigate an abandoned COG facility, he will soon discover that while he ended one fight, another one has just begun.

5 years after the end of the 14 machine war, Yorha starts the long effort of rebuilding earth for mankind. When suddenly a new threats comes to their world. (Slight different ending of Nier automate and head-cannon. Slight OP Yorha.)

After the end of War for Milda, System Alliance spent the next few years rebuilding the fleet. New classes of ships that fully hybridized the acquired technologies began to be produced at a tremendous pace, and System Alliance decided to resume expansion, but towards Unknown Regions, and not to known parts of the galaxy.(Sequel to - System Alliance: War for Milda)

Horizon Zero Dawn/Mass Effect/Overwatch crossover. The world ended and there was nothing we could do to stop it. Not by the Omnics we fought against, but by the very weapon we made to combat them. It was only the vision of Dr. Sobeck that humanity now has a chance to rebuild out of the ashes of our extinction. But now we're not alone, on our planet or the galaxy at large.

Humans and Ghouls two species who by natures design should have destroyed one or the other in bloody war of survive. But the actions of a few mange prevent such an event from occurring, and now two species work together for a better future. How will they react to a galaxy for of different races, and how will the galaxy react to the unique relationship between these two races?

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.

Xen is the gateway between universes and dimensions. It is the place where time, space, physics, and other known rules that define ones life go out the metaphorical window. What will happen when a Child of Xen, a perfect Supersoldier, a Guardian of Humanity, and a Spectre of a Council of aliens find themselves caught up in a war of survival? Find out in "Xen Effect".

The people of Sera rebuild, spreading to the stars. Wars will be waged. Peace will be sought. The Coalition has risen from the ashes to take their right to exist in the galaxy. They will survive...no matter the cost.

At the risk of Eternal boredom Dante Sparda and V join The crew of the Normandy and venture into the darkest corners of the galaxy. On a mission to stop the Collectors, Shepard comes face-to-face with God-like beings with powers beyond imagination and Dante faces old enemies of his past, Thereby propelling all of them into an epic game of life and death.

During the beginning of the Reaper War, Shepard is informed of a Prothean artifact claimed by Cerberus and sent to stop them. Little does he know is that soon, he will find himself and his crew in a world both familiar and alien to their own.

When someone contacts the Quarians about old machinery, they should think twice before engaging with a strange yet so familiar species, a war, and circumstances that will shock two galaxies now that the rift is open.

sequel to Hunting an Yagami. Commander Shepard is unique.

Mankind endures. Twice have alien invaders attempted to force humanity into extinction. Twice they have failed. Now, an uneasy peace covers the galaxy as enemies both ancient and new slumber, or pace beyond the walls. The balance is about to tip. A discovery has been made on a Human colony, faces familiar yet strange move against them, and in the middle of it all, a name. Shepard.

Crow is stuck, but it's not all bad news; he's been offered shelter on the Normandy, and Spider can't hurt them here. Shepard now has an unkillable paracausal warrior, and his 'not-an-AI', Glint, is a complete cinnamon roll, but it's not all good news; he's half-starved, in culture shock, and has a bad case of trust issues. He might need work, sure, but who on this ship doesn't?

The reapers brings new galactic superpowers into the war after invading the Orion arm of the galaxy. will the conflict unite them against a common foe or will they open conflict with each other.

ODST Captain Nathanial Renkov unintentionally becomes the first Helljumper to survive being dropped through a Slipspace anomaly. The problem? He has no idea where is and is surrounded by aliens the UNSC has no record of. Even worse? No one knows what the UNSC is. Follow his story as he tries to make sense of his new surroundings while trying to survive a new galactic threat.

Matriarch Lantaya is a brave explorer from the Golden Age of Asari space exploration, and she wants to go home. The Lone Wanderer is a messianic cyborg from a world scorched in nuclear fire, and he wants to save the wastelands. Courier Six is a tribal postman who usurped control of an entire city state. He wants to eat people. Among other things. (Also available on Spacebattles)

There are universes that diverge from a choice and there are universes that are fundamentally different from one another, forming a vast, limitless multiverse. In these set of universes, there are orbs that manipulate and alter any reality, rip apart the boundaries between them. If left unchecked, they will bring an end of everything. Welcome to the multiverse. Enjoy your stay.

The Breach has been dealt with and team RWBY needs a break, but not before they are sent to stop a sudden Grimm gathering. Now they seem to have ended up in a different world with its own humans living along side various alien species. Join Shepard and her crew along with team RWBY as they fight to stop a darkness from rising. P.S WhiteRose and BumbleBee paring plus FemShepXTali

Something is bothering Normandy's pilot Joker "Jeff Moreau " and SR2 intends to find out. What Joker reveals will change their relationship between them forever.

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?

The Death Star has been destroyed. While the Coalition celebrates, Ezra and Jaral return to Lothal, to spend some time with their family and introduce Luke to the ways of the Jedi. But the Empire is far from broken, as Grand Admiral Tanis and his fleet are already preparing to avenge the death of so many of their comrades.

As the fires fade once again, siblings are drawn together. Tragedy forces desperate actions, and stranger consequences. Amid twisted, frozen, bones of steel, fate decrees a meeting of lost and broken people, who just may be able to mend each other. When the cycle ends, the abyss awakens… Rated M for safety

A very different Mass Effect galaxy encounters a strange and relentless invader that is on constant hunger for Biomass but they never know it's just a glimpse of what coming for them. Featuring: alternative history for every species, a bigger and more populated galaxy, cunning Asari, militarized and germanized human empire.

Astartes Shepard has been assigned a new task: to escort strange alien civilians to a site within Imperium borders. The Emperor Renewed has issued a personal directive that preparations are to take place, an alien race seeks to destroy the peace achieved within the Imperium's holy borders. My first foray into the 40k 'verse, insight would be helpful.