Twilight Sparkle never was a Unicorn and she didn't even know it.
What happens when her true heritage comes to light? Will she willingly embrace it? Or will she be forced to?

Beware of spoilers in the comments!

Edited by uTTerAbsurdity, Zervziel, Stormwatch and Gwenio

Cover art by the talented Cartoonlion and colored by the equally talented Stormwatch, original can be found here

Click here for the Tvtropes page

There was only one explanation. For all of it. All of the strange, erratic behavior. Her irrational fear of the sun. Her nocturnal habits of locking herself in in the dark and closing all the blinds. Wearing her sunglasses everywhere, even inside! It was time to invest in some silver, garlic, and a wooden stake.

Brought to you by Loyal2Luna, this new Downloadable Content for Mass Effect 2 brings the fight to Equestria.

Just about ready to embark on their mission to stop the Collectors from further abducting human colonies, Commander Shepard and the crew of the Normandy SR-2 are given a new priority, when the Illusive Man tasks them with investigating the mysterious disappearance of a Cerberus science team.

Soon, what begins as a simple search-and-rescue unveils a mystery millions of years in the making, and the Commander finds himself thrust into a situation he couldn't possibly have prepared himself for.

Join the Hero of the Citadel as he uncovers the secrets, combats the demons, and ultimately decides the fate of the impossible world known as "Equestria."

When Octavia and Vinyl Scratch decide to combine their respective musical styles into a new genre that will celebrate not only their talent, but also their unique bond, they feel confident that they're the pioneers of the new age. So when the two find their music challenged by another pair of musicians, they set out to make sure that theirs is the best. However, the rival two aren't bad artists themselves, not to mention they’re certainly not… of the same persuasion as Vinyl and Tavi. In the snow-wrapped streets of Manehattan, can they risk exposing their new found -and still taboo- relationship, or will they be doomed to second place?

Incredible cover art by JackiePhantom13! DA: http://jackiephantom13.deviantart.com/

EQD!!
Link: http://www.equestriadaily.com/2012/04/story-mixing-relationships.html

A single changeling is cut off from the swarm during the attack on Canterlot. She's discovered by Vinyl Scratch and adopted as a pet. How will Wubsy the changeling, Vinyl, and Octavia cope when the town develops Changeling-phobia? Will Wubsy ever be able to prove her good intentions and stay with the mare she's grown so attached to? Rated Teen for off-page lesbian pony make-out session.

My bid to make "Wubsy" a more official part of the fannon. Check the source of the fic image to see the comic that started it all.

A gracious thank you to GarlicParsnip, Comma-Kazie, Chengar Qordath, JJ GingerHooves and Steel Resolve who proofread and co-authored the piece.

This story is a sequel to Dusk and Dawn

The Dawn Militia and Nightmare Moon's armies continue to wage war across Equestria under the eternal night. The six bearers of the Elements of Harmony–Fluttershy, Rainbow Dash, Applejack, Rarity, Pinkie Pie, and Trixie–have been blessed with extraordinary powers, with which they lead the Dawn against the tyrant and her reluctant lieutenant, Eclipse.

But it's hardly easy. After all, what place does harmony have on the battlefield?

For almost a thousand years, the immortal Nightmare Moon has reigned over Equestria as Empress. To the average pony, Nightmare Moon is an overarching enigma whose rule is absolute and whose wrath is terrible. But to Twilight Sparkle, who as an orphan has never known her parents, the Empress is something else entirely. When the young unicorn is brought under the royal wing as an apprentice, she learns a great deal more about the supposed tyrant than she ever knew. But as Twilight is introduced to life with her new mentor, she is thrust into a world of political intrigue, conspiracies and secrets. Secrets that were never meant to be revealed. As allies and enemies plot against the very peace of the nation, will Twilight fall prey to the perils of her new position? Or will she prosper and find in Nightmare Moon the mother she never had?

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My eternal gratitude to my editor, LordOfTheWrongs, without whom Night's Favoured Child would not be the story it is today.

Now with added TVtropes!

Life is great. Beautiful skies, lush greenery, an oppressive otherworldly government. It sure is a beautiful world.

Imprisonment and slavery would be a godsend. On the run from hordes of aliens in an enslaved world full of despair and sorrow, Free must save the pony population of the world while saving himself. The stakes keep rising, the opposition keeps growing, and Free has to face it all on his own, even when the odds are infinity to one.

It is the year 3070, and Mankind is once again at war. The battlefields of the future are dominated by fierce, robotic war machines known as BattleMechs, and under their auspice empires have risen and fell. Now with the worlds of the Inner Sphere once again facing the drums of war, two mercenary units have set off on their respective missions, their only tie a common ride upon the back of a JumpShip.

Yet when a cosmic accident causes a misjump, they find themselves thrown into a world that they cannot fathom: a world where magic is a force of nature, where mythical creatures live and thrive, and colorful ponies live protected under the aegis of their monarchs. New choices lie ahead, decisions must be made, and the inner character of Humankind will be put to the test when the question is asked: to conquer, or protect?

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It is the year 1023 after the ascension of Celestia and Luna to the dual thrones of Equestria, and Ponykind is at peace. With Luna cleansed and Discord sealed away even more thoroughly than before, all looks bright for the future of the colorful equines. With friendship and optimism, they face each day with hope and vigor.

Yet, when the heavens scream as a foreign object tears its way into their reality, the princesses and their subjects face a new threat that they cannot fathom: creatures and machines from a world of death and darkness, where magic is unheard of and the avarice of powerful men drive the engines of war to crush the innocent under their bootheels. Can they survive the coming of these coarse beings, and can they maintain the magic of friendship in the face of Man's Inhumanity?

With Russian Translation provided by Undermind.

A crossover with the Battletech universe, though this is an alternate BT timeline of my own devising. [WARNING: Fandom related material and fanboy rant to follow. Non-Battletech fans won't care, read at your own risk.]

Because **** the Word of Blake and their munch-tastic "armies from thin air" BS. Yes, I know the Clans were almost as bad, but at least they had some sort of justification in-universe. Wobbies? No. Just no. I don't care that it was 15 years, you don't go from "fringe group of mutually-antagonistic and argumentative sub-groups following various degrees of religious mania" to "WE ARE THE SPACE NAZIS ALL WILL BOW BEFORE US" like that.

So for BT fans, this is a 'verse where the Second Star League is still around, the Wobbies still had their temper tantrum though it was smaller and more in line with a bunch of religious fanatics. No stupid "knock everything down for ClickyTech" Wizkids/Fanpro approach, nor any "hey let's shove a bunch of cheesy Level 3 stuff at the players to make the game even more complicated" Catalyst Games stuff. This is just good ol' fashioned 'Mechs wailing on each other, only with ponies. Who will also be wailing on 'Mechs. GLORIOUS.

Cover image by Icaron of DeviantArt.

Princess Luna, Mistress of the Moon, co-ruler of Equestria, is utterly bored, and tired of dealing with the bureaucracy. When she happens upon an uncompleted spell that promises access to other worlds, she finds a project that engages her as seldom before. Yet, some worlds are not so pleasant and safe as Equestria, and Luna is about to find out how denizens of one of the more dangerous realms entertain themselves as she is thrust into a bloodsport like no other.

The Tournament awaits.

A crossover with Unreal Tournament, specifically UT2k4, which I've come to regard as my personal favorite of the series.
There is some gore, but nothing worse than your usual FPS game made in the last 10 years or so. Rated Teen for that, and some foul language. (Because it wouldn't be UT without the smacktalk.)

Consider this as the soundtrack. Because that's exactly what it is.for Deck 17. So, freakin' EPIC.

Cover art commissioned from Atryl, who is a demigod of Art. Seriously, he's awesome. Go throw money at him.