UPDATE (June 8, 2016):

see deal Kingdom Hearts HD 2.8 Final Chapter Prologue - PlayStation 4 $34.99 on Gamestop

With the latest trailer revealing more for what's in store for Kingdom Hearts HD

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What is Kingdom Hearts 2.8?

What’s with the weird numbering system?

Where does 2.8 fit in the Kingdom Hearts timeline?

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What’s important about χ Back Cover if it’s before the original games?

Why are the Foretellers important?

The Kingdom Hearts hype is strong. Ever since Kingdom Hearts III was officially announced in 2013, we’ve been gobbling up any news we get about the game. To ease the wait, Square Enix announced a new (well, sorta new) Kingdom Hearts game for the PlayStation 4 at this year’s Tokyo Game Show: Kingdom Hearts II.8. Let's break down why you should care:It’s a PS4 collection of two games and one movie: an HD port of the 2012 3DS game Dream Drop Distance , a new playable episode linking to Aqua's storyline called Kingdom Hearts 0.2: Birth by Sleep – A Fragmentary Passage, and χ Back Cover, a new HD cinematic feature that tells the story of the Foretellers.It’s Kingdom Hearts. At this point we shouldn’t be asking these types of questions. It’s the middle of Kingdom Hearts HD 2.5 Remix and 3, or you can follow Tetsuya Nomura's math Dream Drop Distance takes place after Kingdom Hearts II when Sora and Riku are trying to complete the Mark of Mastery exam that’s necessary to become a Keyblade Master. It’s also pivotal in establishing Master Xehanort’s plans that will be the driving force of Kingdom Hearts III.Birth By Sleep 0.2 centers around Aqua—who most of us know from the 2010 game Birth by Sleep —and her plight as she wanders through the Realm of Darkness for ten years after sacrificing herself to save Terra. Interestingly Birth By Sleep 0.2 was originally a cancelled project titled Birth By Sleep Volume 2, which was teased in BBS’s secret ending . In a 2014 interview Nomura mentioned he wanted to “get a chance to tell that story somewhere." It was almost in Kingdom Hearts III , but it looks like he found a better place for it.χ Back Cover is about the time before the Keyblade War; a period where there were many keyblade wielders and each were part of one of five factions, led by leaders known as Foretellers. Back Cover is actually an extension of sorts of Kingdom Hearts χ (greek letter “chi”), a Japanese free-to-play browser game that was then ported to mobile and renamed Kingdom Hearts Unchained χ. Square Enix recently announced a North American version coming to the west called Kingdom Hearts Unchained Chi χ Back Cover gives context to the state of the world before the Keyblade War, the event and motivation behind all of the main villain’s actions in the Kingdom Hearts games.Lore has it that Kingdom Hearts was a source of light that breathed life to many worlds. There are stories of a “Grand Master” and his six apprentices who learned from the Book of Prophecy that darkness would one day prevail over light. To prevent the destruction of all the worlds, five of the Grand Master’s apprentices—who are later given the title Foretellers—created unions to fight the oncoming darkness. These unions (Anguis, Leopardos, Unicornis, Ursus, and Vulpeus) are the five insignia we see in the 2.8 trailer.More information on the keyblade masters, their factions, the mysterious sixth apprentice, and the Keyblade War, could be revealed in χ Back Cover., but the aforementioned Foretellers have been speculated to actually be the Lost Masters, keyblade masters who took part in the Keyblade War and the reason why darkness eventually prevailed so long ago. Master Xehanort has been obsessed with recreating the Keyblade War from the beginning, thus potentially giving the Foretellers a pivotal role in Kingdom Hearts III.How gracefully Kingdom Hearts III will summarize the storylines between Kingdom Hearts II and the rest of the in-between games we'll just have to wait and see. But if you're a diehard fan that wants to know everything there is to know about the series, then it looks like Kingdom Hearts 2.8 might be another one to add to the ever growing Kingdom Hearts collection.

Esmeralda Portillo is IGN’s Executive Editor of Custom Content. Follow her on Twitter @EsmeraldaIP to chat about true crime, puppies, or the philosophy of Kingdom Hearts.