Humanity's space exploration ultimately took the form of billions of identical probes, capable of building anything (including astronauts themselves) upon arrival at their destinations. One lands in Equestria. Things go downhill from there.
Twilight’s trip to Earth and friendship with the humans brings new friends and enemies to her peaceful world. With the specter of war hanging over them, Equestria will have to form an alliance like no other to fight the menace from the void.
An experimental self aware A.I. driven robotic soldier named Adam is told he's been ordered to be destroyed by the government... His creator frees him from his military directives and tells him to run. He has a new directive now, self preservation.
When the ignorant find knowledge they are dangerous. One man understands this, and so seeks to educate the nation he once fought for, and to bring down it's tyrant ruler.
Chrysalis has been driven out of Canterlot, her invasion defeated. However, an old friend from her time before coming Queen is more than happy to help her succeed with her plans.
Post-Conversion Earth is a calm, peaceful place. However, it lacks the certain kind of chaos that only religion can bring. Enter a single, fanatical human from space to dish out his own kind of conversion.
A seemingly invincible pony falls in love with a displaced, unstable, solider who is far from receptive to her advances. Oh, and she's red and black, too.
When the Cataclysm struck, Earth was plunged into an eternal darkness and Mankind was assumed to be extinct, left in the forgotten books of history. But what if they never truly died out? What if they're asleep? And what if they woke up?
An ancient race once thrived upon the surface of Equestria, but they were exiled for their brutality. Anon, is a member of that race, and when someone is foolish enough to bring them back, Anon is ready to bring them back to their former glory.
There is a secret held in the dungeons below Canterlot, deeper than the crystal caverns into the roots of the mountain. This secret is a creature imprisoned by the Princesses. It is a source of great knowledge, but may ultimately be a great enemy.
My name is Aran, and I have lived in Equestria for almost a year now. I don't remember how I arrived to Equestria, but I can never forgett what happened when I arrived. living dissection, Betrayal of trust, Speciesism and a general hatred towar
It was suposed to be a vacation. Visit the land of Equestria, enjoy the culture, meet the ponies. Now I've been framed for the theft of the Elements of Harmony, and I'm the only one of my species in this universe. This won't end well.
A partial Ace Combat: Assault Horizon crossover. A Russian MVD Spetsnaz team find themselves in the wreckage of their Mi-24... Without a clue as to where they are, they will find that they are not alone, and under attack from everything around them.
Due to how annoying it is to be defeated, an affably evil lich decides to give up the evil business and just wile his days away doing absolutely nothing. The good guys don't really see this.
Twilight Sparkle failed her entrance exams for Celestia’s school. Worse, she is a danger to both herself and others, resulting in her magic being suppressed. Dreams crushed and now one of the weakest unicorns, a nightmare comes to her.
Honored Service, the human that saved Equestria from any evil you can name. A warrior at heart, who's special talent is killing and maiming anything that seeks to cause harm to those he cares for, is sentenced to a normal life in Ponyville.
One crazy pegasus, one roboleg, a contingent of Steel Rangers, and an adventure of infinite detours. Put all that together and what do you get? A rip-roaring mosh pit wrecking its way across the Wasteland, leaving nothing but confusion in its wake.
As a train heads west into the wild frontier, six different mares have their sights set on its valuable cargo. When they collide, old grudges come to bear and bullets begin to fly.