Sometimes, running is a very efficient method not to run out of time. And Twilight certainly has every interest in making sure she doesn't run out of time, and therefore in doing things as efficiently as possible. She wouldn't want to be late, after all.

Gamer-type fic, inspired by Clicker Heroes

Reincarnation doesn't always go forward in time. Sometimes it goes in a loop, as in the case of Twilight Sparkle. She lives, she fights, she gets allies. Than she dies, improves herself and friends, and occasionally buys something that makes the world a better place. Finally, she is reborn and lose her memory. Rinse and Repeat.

However, with her rising to Alicorn, she has unlocked a few new things that would make her lives easier. The down side? In order to afford these, the world needs a hard reset. The temptation? She could keep her memories.

Soon Twilight Sparkle will see just how much she has done for the land of Equestria over her many lives, and see first hand what it was to start with. Thankfully, with no sarcasm for once, Discord is here to help her build the world back up.

This story is a sequel to The Princess that Equestria Never Had

Although this fic is listed as a sequel, you won't be missing anything if you read this fic without reading Never Had.

After traveling through time to stop Starlight Glimmer from changing the course of history, Princesses Celestia and Luna give Twilight Sparkle the opportunity of a lifetime: the chance to study under Star Swirl the Bearded himself! Nothing can go wrong with such a powerful time travel spell in such capable hooves. Twilight knew there was something familiar about Clover the Clever when she read the Journal of the Two Sisters, but she never knew exactly how familiar.

Based off a theory developed by DRWolf001 and written with his permission, with additional hypotheses developed by The Brony Notion.

Featured on Aug 14, 2016
Featured on Nov 9, 2016
Featured on Aug 20, 2018

7/4/20 UPDATE: After attending a panel from my friend Vivid Syntax I've decided to mark this story as "complete" and start a new story for the rest of Twilight's time as Clover the Clever. More details in a blogpost.

Be Awed and Amazed by the tale of Sweetie Belle as she traverses the multiverse in search of her lost mentor and friend, Twilight Sparkle! Will she find her in post-apocalyptic Equestria? Or maybe in a strange world where everypony is the wrong gender? Or even where a Pony claims to be a human? Read as she journeys through very familiar worlds you might have read about... if you dare!

At this point in time all the main worlds to be visited have already been chosen. Thank you all for the suggestions, and I hope you enjoy the surprises!

Here's the official TSC:F Music Intro: The Sweetie Chronicles: Fragments

WDTP: S2/3-CE
You can also visit the TV Tropes Page which has spoilers!

It all started with a simple question: What if? What if Luna had ponies who noticed the beautiful nights she created. Would she have turned into Nightmare Moon? Would she and Celestia rule together for a thousand years? Would Twilight meet the rest of the bearers of the elements and become friends with them? Now, with the help of a new magic spell that she created, Twilight is going to find out!

Welcome to the Lunar Republic!

Featured 4/9/15

Sweetie Belle gets stuck in a time loop.

Traducción Española: https://www.deviantart.com/spaniard-kiwi/art/Un-poco-circular-1-4-990271915

Proofread by many people such as: 0_0, refferee, Leonzilla, crooked, TheGreatEater, and other people I may have missed.

This is a fic based on the Time Loop Files, the format of which was first codified by Innortal on fanfiction.net.
Here's a brief guide.
The basic idea is, one character (the Anchor, usually the main character of a fictional setting) is looping back to the very first moments of their parent series every time either they die or some kind of time limit expires. They of course end up monumentally stir crazy given enough time.
Eventually others start to loop as well.
The reset is not always perfect. Sometimes a loop's history will be different to the "prime" loop, or canonical plot.
"Crossover" or "Fusion" loops also occur, randomly. These can involve the home loopers having a guest, or the anchor for one universe spending time in another, or replacements of one character by another.
Vacation Loops are where the Anchor (or others) decide/s "buck it" and lets off steam by doing whatever comes to mind. There's little or no attempt to maintain the original timeline.

In addition, and particularly more recently, it should be known that this story has a collaborative element to it - people may submit loop ideas or loops, ideally at the Spacebattles thread (a link to the current version of which is on the Trope page), and they may become included.

There's two page image options, thanks to Filraen - the current page image has been edited by the original creator from this work of theirs.. The other one is here:
http://hourglass-vectors.deviantart.com/art/MLP-Loops-466030169