Snakebite Tourniquet was quite content to work as a healer on a merchants caravan, but then he finds himself alone in the desert with his body changed beyond recognition. He tries to find out why this has happened to him and eventually this leads him back home to the Neigherra Madre Mountains.

This fan-fiction is based on Fallout Equestria by Kkat; a familiarity with the source material may aid your understanding.

Ask Blog: Ask Snakebite Tourniquet

This story has been rewritten and can be found here: http://www.fimfiction.net/story/12244/Fallout-Equestria%3A-Tales-of-a-Courier-Reloaded

Having lost much of her past, memories and purpose in life, Aurora Borealis stumbles upon the junkyard and its sole inhabitant Scraps. Having regained her name and desiring to find her past and place in the world, she begins to walk the paths of discovery. But what she finds and what impact she has may be more than she ever expected.

Hope is the faith of the young. Losing everything she holds dear, Puppysmiles embarks on the adventure of her life to find her mother, her hopes of meeting her again driving her through the horrors of a world not of her making. Too bad the Wastelands doesn't care about hope.

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

A magic obsessed pegasus finds himself in over his head after being assigned to a cartological expedition to distant islands. Armed with only his knowledge of an obscure branch of magic, and tenuous relationships with his coworkers, he must survive in a hostile tropical jungle that holds both the key to his research and a dark secret that threatens life back on the mainland.

The royal court of Canterlot welcomes its newest member with open forelegs: the human philosopher Voltaire, from Earth.

On Earth, Voltaire is known as the greatest enemy of tyranny in the history of literature, and a legend in his own mind.

On Equestria, the court betting pool is giving him a week before the Princess banishes him to the Moon.

Note: This story doesn't have sequels per se, but there are a couple of short follow-ups set in the present day ("Parade Coverage" and "Secret Histories"), and a prequel of sorts in "At the Inn of the Prancing Pony".

TV Tropes page.

Ace was a street magician with a lucky streak. His luck was legendary among casino owners and fellow magicians. Any risky trick would succeed flawlessly and any gamble would pay off for him.

After performing his greatest and final trick he is brought face to face with the entity responsible for his incredible luck. The goddess of fortune herself. Lady Luck.

She offers him a deal. To become her champion, her Wild Card, and go to Equestria to spread luck among those who need it the most. So he finds himself in a magical land, in a new form, and ready for anything that comes at him. To a reasonable degree.

(Part of the Chess Game of the Gods universe created by Rust and BlackWing)
(Cover art by Grusborg on deviantART)

This story is a sequel to Upheaval: Breaking Point

Following the events of Breaking Point, Twilight Sparkle and her friends discover that Equestria's demise may not come from an enemy invasion, but from within. The Barrier Lands and the Heartland begin the slow and uneasy process of reuniting into a single Equestria, but this long-delayed joining is already in danger at its conception.

With Celestia's power in her grasp and her agents by her side, the wheels of Black Rose's plans for Equestria's future continue to turn. However, her brazen gamble has done more than just bring down a centuries-old barrier. Ancient powers begin to stir: the remnants of a dark period in Equestria's history, the immortal inhabitants of Celestia's homeworld, and a rising tide of darkness coming ever closer.