The Offiical Gameloft MLP game has started the Nightmare Knights comic event for all of you still truckin along over there.
The exact description:
Expect new objects, ponies, and quests.FULL MOON RISINGWhen the heroes of light are locked away, it falls upon night to save the day. Join Trixie, and other former villains assembled by Princess Luna, to fight a never-before-seen threat to Equestria in this Limited-Time Blitz Story based on the comic, “Nightmare Knights.”
Get some screenshots below.
Thanks to ExplosionMare for the heads up.