With the secret of Remnant's past in her hands, Ruby Rose must work with her teammates and their allies to bring an end to her world's greatest threat.

A series of snippets telling the story of the Human-Citadel war, fought between the Human X-Com and the Turian Hierarchy. Originally published on Reddit. Based on the original X-Com UFO Defence (1994), not the Reboot!

Tumbling through a mysterious portal was not Ruby's plan, nor was it to end up in the middle of a war between humans and aliens on a different planet. With her aura gone and Crescent Rose left at home, Ruby is swept up by Chief Engineer Shen immediately for her love of engineering and weaponsmithing, and together, there's nothing they can't build. - Faunus Ruby.

A quick one-shot that takes place after the events of The Bureau: Summer Declassified, focusing on the Zudjari and their ultimate fate. Do not read until you finish the main story, obviously.

Earth is under siege with aliens kidnapping people and destroying cities it was only a matter of time before Earth fell and then...A miracle happened. "Let it be said here and now you are the Braveist around go show these assholes that Man is not to be trifled with" X-COM commander.

A collection of one-shots written by readers of XCOM: RWBY Within and XCOM: Remnant Unknown.

Following her final confrontation with Salem, Summer Rose is mysteriously transported to another world on the brink of war - not only with itself, but with an alien invasion. Can she navigate this strange new world? Will she ever find a way back home to Remnant? And what secrets does the Bureau hold? (Inspired by DrAmishMD's excellent XCOM/RWBY stories.)

Harry Potter, sick of the Wizarding world and mourning the loss of his closest companions, enacts a ritual not completed since the time of Merlin. His aim is to get away from the pain and bitter memories of his old life, and with the appearance of aliens and flurries of green plasma death, in this new world he will not be short of distractions... Based on X-Com: Enemy Unknown

Traducción de la historia Stardust de Arad de la página de Fimfiction.

Xcom has been official activated. An alien force has began attacking earth, and Humanity about to be brought to the brink. The situation only get more serous after the the capture of Equestrian Princess Twilight Sparkle. Will both worlds fall to their knees to the Elders army?

The Ethereal War ended a long time ago, and Humanity took topreparing for the Ethereal's return. Unfortunately as they prepared for one enemy, a second crept out the shadows of the ocean and the cities they defended. It is the years 2177, and the New Earth Government keeps a tight grasp on world after the open warfare between XCOM, sea monster and cultist have taken to the shadows.

We defeated the Elders. We took their technology and made it our own to advance into the stars. After so long we surprisingly made allies while unsurprisingly made enemies. Now we find our place and stand firm in this galaxy. Pray to those that believe us weak. For we will not.

In a distant far-off alternate world under constant threat by rampant Altered World Events. There is only one agency capable of keeping the situation under control. These are some of the chronicles of its exploits.

Thirteen years after the events of Human Revolution, an aged Adam Jensen is invited to join Chimera Squad. His experience and augments being an invaluable asset to control. His presence may be all that stands between the city's success as a model for peaceful coexistence and total chaos. Rated M for blood and violence alongside sexual themes. Please read and review

It's hard for the Ethereals to invade when someone else got there first.

After being sucked in a portal years ago Taylor, now an X-Com operative faces a chance at her lost home while in the middle of a war for the continued existence of humanity.

The Saderan Empire had prepared for everything that they could consider when they marched through the gate. Intent on transforming the primitive world into another territory. What they did not expect was that others had tried before. A GATE x XCOM Crossover

Cuando los alienigenas vienen a Equestria con intenciones hostiles, solo un grupo podrá detenerlos. Agencia Cazadora de Monstruos va a incluir alienigenas en su lista de cacería. Y van a no solo salvar su mundo, si no, otro más. Averigüe como leyendo esta historia.

The year is 2175 and the galaxy is at peace. In the Terminus Systems, Battarian sponsored pirates gather, willing to test the resolve and capabilities of the System Alliance. At a X-COM facility, the last surviving soldier from the last war has been released from stasis, ready to be healed. Meanwhile the Ethereals plot in the shadows beyond the Relay Network and Nazara awakens...

The war for Earth is over, the Elders and Advent have been defeated. As Alpha Squad, the best XCom has, begins to settle into a new life of peace, their lives are thrown astray as a mission to find an old friend gets FUBAR. Now, thrown into a world new to them, they must adapt to survive... the high school classroom as teachers.

"Lily" Shen An-Yi is a child prodigy who has been the XCOM Chief Engineer since her father - Dr. Raymond Shen has gone because of the alien occupation. In a hopeless situation which XCOM is left decimated again and Earth is still controlled by the Elders through the puppet ADVENT Administration, Lily Shen makes a contract with an alien called Kyubey and became a Magical Girl.

In addition to the Ethereal Device, XCOM also recovered a device akin to a gateway/portal. Meanwhile, in a different universe, Prophet is caught the feedback reaction from destroying the Ceph wormhole.

The X-Com Troops deal with the actions of the Sectoids to save the Asgard Species from extinction while the Daleks invade the Stargate Universe against both sides!

The Elder's last hope, the Exodus, was launched during XCOM's final assault on the underwater fortress. The last Ethereal and Avatar, designated as Noah, had to led the crew of the Exodus to find new allies. But they did not expect who and what they will meet in this Kropulu Sector.

What happens when a part of Maggie's past comes searching for her? A part whose job is to wage war against superior alien invaders and their monsters? X-COM side combined with Xenonauts.