Equestria is growing, and magical savant Twilight Sparkle is disgusted by the crime and corruption this change has brought. Her life is changed forever when she discovers the Death Note, a notebook with inexplicable and deadly powers. She uses this book to pass judgement on those she deems unworthy of life, aiming to create a perfect world free of crime. But when the two Princesses put their best pony on the case, a mysterious detective known only as L, a psychological game of cat and mouse erupts between the two.
Comments contain spoilers. Artwork by blu-red, opening by Anon3mous. Now with its own TV Tropes page.

Luna has been plagued by visions of an apocalyptic future ruled by necromorphs. There is hope, however; she has also seen a creature able to effectively slay the necromorphs, as well as destroy their markers. But will he help them?

No previous knowledge of Dead Space is Required.
Takes place during the Dead Space 3 ending, as well as the Dead Space 3 DLC "Awakened"

Princess Celestia tires of constantly being surrounded by decorum, deference, and formality, and decides to take a day off from being Princess. But visiting Ponyville incognito is harder than she expects. Will she be able to fit in and make friends without blowing her cover?

When your life is as dull a gray as the world that surrounds you, the mundanities can make it all seem meaningless. Sometimes all we need is a little color -- or six -- to reintroduce us to what truly makes life worth living.

*6-16-2017 Edit, added Rainbow Dash tag because it triggered knighty.*

Sunny is just a normal pony. He has a pretty normal life and a pretty normal job, but when ponies start turning into zombies and the streets run red, his definition of normal morphs. He and a group of ponies, thrown together by chance, must now brave whatever lies ahead. This is their struggle for survival.

This is their story.

[Author's note]: This was my first story, and the beginning chapters are sort of a rough grind. I'm working to better them, but until then they're not as good as I'd like them to be.

Orriginal cover art

PS: Comments contain spoilers! You have been warned.