When Princess Celestia and Gandhi have tea, Celestia learns that some of the most important aspects of building a civilization is hard work, dedication, diplomatic relations, and best of all, the threat of mutual assured destruction.
Psychotic, demented, perverted, and really needs a shower. These are only a few of the traits that describe the individual known as Trevor. Unfortunately, his current residents don't agree with his interesting lifestyle. Not like he gives a damn
Trying to spice up Celestia's love life, Luna signs her up on a dating website. Now Celestia has to go on a series of dates with other immortals. This should end nicely.
Darth Vader, one of the most insidious villains in the entire galaxy, ends up in Equestria of all places. With no support from the Empire, this Sith Lord needs to find a way off the planet. Or he could take over it. Either one works.
Frank Horrigan, walking tank and super soldier of the Enclave, ends up in Equestria of all places when he is defeated by the Chosen One. At the end of each chapter, you make the decision for what Frank does in the next chapter!
Hades, Lord of Death and God of the Underworld, is bored. Residing in Tartarus gets tiring for a God. So he decides to visit Equestria for a bit. And maybe make new allies so he can take over Olympus.