Can a utopian paradise that preaches love and tolerance really make ponies happy? Does contentment really lie in free universal healthcare and open government?

Twilight Sparkle is determined to resist this happy world on a matter of principle, and finds herself sneaking off with a mare called Trixie to hate and loathe each other in secret.

Will their hate-nest go undetected? Or will they be forced to face the dangers of the Ministry of Love and the mysterious Room 101?

Description: Returning from Zebrica, Rainbow Dash finds her lot cast in with the brilliant and eccentric detective, Rarity, as they unravel a crime most foul.

Starring Rainbow Dash as Watson, Rarity as Holmes and Fluttershy as Lestrade.

Originally posted on Equestria Daily here: http://www.equestriadaily.com/2011/04/story-study-in-rainbows.html

Spanish translation: https://www.deviantart.com/spaniard-kiwi/art/Un-estudio-en-arcoiris-999961891

Bioshock meets MLP in this psychological thriller, where Celestia's new faithful student, Siren Song, must discover the truth behind the city beneath the waves.

Beautiful, gifted, and faithful student of the Princess of the Sun, Siren Song has very nearly everything a pony could want. Sometimes though, in the twilight hours, Siren can see the sadness in her mentor's eyes. Once, ponies whisper, the Princess had another student named Twilight Sparkle, but she left Equestria, never to return. The pony who has a perfect life just needs one more thing—to convince Twilight Sparkle to come home so the Princess will smile again. But when Siren arrives in pursuit of Twilight, she soon finds herself trapped in a city of horrors, with only its monstrous denizens for help.

Now with a TV Tropes page!

Isolated from her friends and taken prisoner in the middle of a war, Twilight must deal with the very real dangers of being percieved as an enemy as well as the nightmares of her arrival on 'Earth'. Can she overcome her own fears and the fears of her captors? Will the wayward unicorn's assistance be a boon or a curse to the 'humans?' Most importantly, will she ever find her way home?

"In short, it's a story of friendship and plasma rifles, with the emphasis on the friendship. The characters are well written, the XCOM setting is fleshed out very well, and the story is compelling. If you love XCOM, you'll love the story, but even if you've never heard of it, it's more than worth giving the first 3 chapters a read.

There's excellent action later on, but the real strength lies in the collision between the friendly and naive world of Twilight Sparkle and the desperate world of humans fighting a losing war for survival and willing to do anything to turn the tide."

--Arzoo

(XCOM/FiM crossover)
(Cover art commissioned by a friend and created by the magnificent FoxInShadow!)
(Original cover art by the amazing Carnelian can be viewed here!)
(Gore tag for blood and some violence)
(Many thanks to the studius OminousTen, Arzoo, xXFluttershyForeverXx and finally Setokaiva for giving my rambles a once-over)
(Now with it's own TV Tropes page! Get to tropin' folks!)