In a remote corner of the Solana Galaxy lies a backwater planet called Veldin. Nothing important ever happens there. Nothing exciting, either. Ratchet, a Lombax with no idea of his origins, is beginning to grow bored with his life, and dreams of excitement. He wishes on a falling star for some excitement to find its way into his life.

The falling star answers by crashing into his home in the form of a basket carrying a tiny creature with a horn, a pair of wings, and four hooves. The name on the basket reads "Twilight Sparkle".
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Part of the PWNY-verse.

Edit: Now with cover art by the amazing G_Haze
Video Consultant/Technician: m2pt5 (he provides the infobot videos and similar.)

Edit: Game Timeline
Ratchet and Clank: Done
Going Commando: Done
Up Your Arsenal: Done
Deadlocked: Done.
Size Matters: Done.
Tools of Destruction: Done.
Quest for Booty: Done.
Crack in Time: Done.
All 4 One: Done.
Into the Nexus: Done.

Raven of the Teen Titans has long been a closet pegasister. She was introduced to Friendship is Magic by Beast Boy and Starfire and - although she is loathe to admit it - she enjoyed it. She especially identified with the character of Twilight Sparkle. What with Twilight's enjoyment of reading, talent in magic, and unexpected but life changing friendships, it felt like Raven's own life mirrored and sugarcoated onto a world of pastel colored ponies. Even Twilight's friends reminded Raven of her own to a certain extent.
When she wakes up one morning in Twilight Sparkle's body with no idea how this happened or how to fix it, she begins to think she identified with her a little too well.
Now trapped in the plot of the series from the beginning, she has to find away to fix this, find out what happened to the real Twilight, and at the same time save all of Equestria. At least she has some friends to help, right?

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Crossover idea inspired by the fact that these two characters share the same voice actor, Tara Strong. Originally, it was just an idea I played with for fun, but I have a serious - and frightening - plot for it. Dark for later chapters.

This story is a sequel to Like Sisters

Sequel to "Technicolor Dreams" and "Like Sisters". Rainbow Dash has adopted Scootaloo as her little sister, getting her out of the horrible orphanage she had been in. However, her efforts to keep Scootaloo with her are far from over. She will have to work very hard to make sure Scootaloo gets everything she needs.

Meanwhile, other events are happening behind the scenes, as Rainbow Dash's actions start a chain of events that could lead all of Equestria to an unknown destiny, as truths of its past are finally revealed...from the lips of the only one to have been there since the very beginning, who is anything but what he seems.

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Sequel to "Technicolor Dreams" and "Like Sisters".

Twilight Sparkle has spent months researching chaos magic, developing a new spell to unlock magic nopony has ever experienced before. But when something goes wrong with casting, Twilight finds herself turned into a Draconequus and unable to control her new chaos magic. If she ever wants to be a pony again, there is only one who can help her learn to control her new magic.

Of course, learning from Discord was never going to be simple. And after a while, being a draconequus doesn't seem so bad anyway....

Based on the concept by Lopoddity

Editing by DB_Explorer
Proofreading by Mac349 (Ch. 1-11), Trippy998, Just A Fabulous Cat (Ch. 1-5), Doctor Candor and skysthelimit (Ch. 1-11).

This story is a sequel to The Wizard and the Lonely Princess

Book Two of the Lonelyverse

Having returned to the Dursleys after a highly eventful first year at Hogwarts, Harry and the alicorns had been looking forward to unwinding. As it turned out, all their hopes were for nought. Between summer shenanigans, a crazy house elf, and learning Potter family history, they've got a full summer ahead of themselves. And when they get back to Hogwarts, they'll have to deal with giant snakes, idiotic teachers, and a gathering darkness. With things going off the rails, they've got a long year ahead of them.

And if they survive that, they still got to deal with the strange power surges and dreams that both Luna and Nim have been having since soon after the Summer Solstice...

Other stories in the Lonelyverse:
The Wizard and the Lonely Princess
Hooves, Plush, and Magic: The Untold Tales
The Wizard and the Lonely Princess: Hallowe'en Special
A Nightmare Christmas

After the changelings' failed invasion of Canterlot, Twilight tries to soothe some of Ponyville's rampant paranoia by casting a spell to prove there are no imposters hiding in the town. But her spell leaves her in an alien body, facing a mob of angry ponies who just don't believe her when she says she is Twilight Sparkle.

Or, at least, she was Twilight Sparkle, anyway...

Featured on Equestria Daily, 2/17/13
Cover art is by the awesome and amazing Conicer

Lyra may be a musician at heart, but that doesn't mean that she can't try other hobbies, right? If only she could find a hobby that doesn't accidentally bring about the utter destruction of Equestria...

When she attempts a summoning spell that goes horribly awry, Lyra manages to break Discord free from his stone prison. The ensuing snowball of unfortunate events leaves her imbued with the power of chaos at her hooftips.

Cover image is Lyra Knuckle by Ripfrost @ deviantArt