Martyr an Ex-Caravan Guard/Ex-Raider finds out his lineage traces back to an old tribe of ponies who existed before Equestrias Install.

Martyr begins his adventure across the wasteland as a raider with a small pocket of friends who help him through his endeavors of basic Wasteland life.
As time continues things get complicated, and his friends begin dying around him during peculiar occurrences
He must break the curse set upon his blood line those thousands of years ago by traveling through Equestria and into the nuclear winter wasteland that had become the old home of the three tribes and find the Temple of the Timelords and free himself from the burden it carries.

Metal Gear has fallen into the hooves of an Equestrian revolutionary, who, with the backing of his human mercenary allies, intends to use it to depose Celestia and crown himself ruler. Having crossed into Equestria in pursuit of this rogue weapon, the legendary Solid Snake must ally with the residents of Ponyville to prevent a nuclear catastrophe.

See also Equestria Gear Solid, the hilarious spin-off EQG parody in which everything you know is wrong, and every single character from the story is an awful caricature of themselves.

Now with its own TVtropes page!

Captain Bradford and his 4 man squad crash land in the everfree forest, unbeknown to them. The covenant carrier that were in combat with also jumped to the world they are on and has settled there. now he needs the help of twilight and the gang to destroy the carrier and return peace to the land of equestria.

After an incident with the heart of Liberty, Niko Bellic finds himself awake in an unusual hospital. He quickly learns that he is no longer in Liberty City. His rough, gravely world is about to be turned upside down.

Upon her return from Dodge Junction, something has changed inside Applejack. Her feelings for a certain pony have become as solid as the diamonds that adorn said pony's flank. However, will Ponyville's own Southern belle ever pluck up the courage to be the mare that wins Rarity's heart?

Flight 19, one of the many disappearances over the Bermuda Triangle. But maybe they didn't just disappear? Maybe they went somewhere else? The Bermuda Triangle is a very strange place, full of unknowns and horrible tales. This is the tale of Flight 19.

Note: This is a collaberation between GoldenArbiter and myself. We will add the main cast as we progress through the story. Thank you everyone and please, enjoy. Cover Art by the very talented Athanix.

Note the second; By GA. We have also Added Dave Morris to the cast of writers, and he has added much already. So yah, it's okay, when it's in a three way.

Daring Do finds herself as cargo on what could be her final voyage. It's sink or swim as she dives into the mystery of the Sea Pony's Pearl! Where does this marvelous marble lie? Who has our hero in the hold? And who will be the first to find it?

(Note: There won't be any real sea ponies in this story, singing or otherwise. That'd just be silly.)

Growing up can be hard. But when your two mothers are both elements of harmony and you have twin cousins to play with? It can be downright crazy. Rainbow Dash and Applejack will have to keep up with their growing daughter if they're going to keep her out of trouble. Difficult? Maybe. But that's life with Applejoy!

Author's note: It is absolutely imperative that you read the first section of this story (the "Confessions and Considerations" series, to understand any of this story.

After failing to stop Nightmare Moon in the ancient castle of the pony sisters, Twilight Sparkle is left with a scar that will permanently change the rest of her natural born life. As Twilight recovers from her ordeal, she finds that she is left with a difficult choice. Either live her life as a lie or sacrifice her innocence to protect the ones she loves. The path before her is set and she must now walk it alone. The sands of time continues ever onward, with everyone already trapped in its muddy depths. The sun will rise and the sun will fall. Waiting for its call, Death awaits for all.

Tags, rating, and characters can change.

Art created by:
http://cuteskitty.deviantart.com (top)
http://ventious.deviantart.com (bottom)

I just put the two together

Inspired by the heroics of the mysterious mare known as the Stable Dweller, Silver Storm, a guard of the town of Marefort, decides to go on a daring mission to rescue her captured brother. Of course things rarely go as planned and her attempts at heroism drags her into a tangled web of plots and conspiracies as warring factions vie for control over the last great city: Dise.

Spanish Version translated by Spaniard-Kiwi: https://www.deviantart.com/spaniard-kiwi/art/Fallout-Ecuestria-Heroes-996263393