Right before the Elements struck, the Nightmare unleashed a spell out of desperation. A substitution spell. Otherwise known as the correct use of Kawarimi.
Emerald was just another human, just another pegasister. Now she's been turned into an OC pony called Twivine. Problem is, she has no idea who Twivine is.
Shepard and Anderson are tossed into Equestria shortly following the activation of the Crucible super-weapon. Once there, they meet a tribe of buffalo who seem to know exactly who Shepard is.
Banish from her home due to a false crime until she was found by Delta Squad. Now she must adapt to her new life as a Republic Commando with her new friends and family.
Doug Rattman and his trusty Companion Cube in Equestria. (If you don't know what I'm talking about, look up Portal 2: Lab Rat. It's bridges the gap between Portal 1 and 2.)
Wheatley has been in space for quite some time now. He and the other cores which had been used to corrupt him receive an offer to return - On one condition. They must establish peaceful contact with an alien world. It goes as well as you'd think
When a graduate student ends up on the wrong side of Equestria. He must do what he can to survive, which basically means becoming the ultimate changeling nerd.
Ever had your Dad marry a mythical creature? Ever just wanted a normal life? If this is you and you're not me, then this is exactly what we don't want, right?
Nolan Anderson, a member of S.W.A.T., is teleported to Equestria during a mission. In this new land, humans have taken over and enslaved a sentient pony species. He must find a way back to Earth, while both sides hate him for different reasons
Traveling on Earth to find an explanation for his psychic powers, Matt is teleported to Equestria by Trixie in an effort to learn magic, how Matt will survive to this world of magic?
During a mass teleport spell gone wrong, six... well, heroes would be giving them too much credit. Six beings of differing abilities are brought into Equestria, not knowing why they are there, but that someone needs liberal buttkicking!
I have conquered entire planes of existence in a matter of hours. What in the Nine Hells makes these damn horses so hard to kill? May the gods help me, I will get their gold!
A group of adventurer from the Forgotten Realms universe have stumbled apon a means to traverse the multiple planes of existence and stranded themselves in a new uncharted plane. How will they get back home.
After becoming Empress of the Zin Empire, The Boss finds Starswirl and tries to bring him back to Equis. It's going to be a bit hard for him to re-adjust if Sombra wasn't going to attack Equestria and everything around it.