New "Batman: Arkham Knight" details will feature a leaked complete edition, a possible launch date for the "Arkham" collection this year and the cancellation of the Mac and Linux versions.

Several rumors are making rounds that Rocksteady Studios might be developing a "Batman: Arkham Knight Complete Edition" soon due to a post from Amazon Germany's official website. The item is read "Batman: Arkham Knight -Sonder-Edition and it is stated that the game could launch on May 17 at EUR 39,99.

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The word "sonder" is translated "unparalleled" and gaming fans assumed that the english equivalent of it could be a "complete edition" of the sequel and may contain all of its DLCs from last year through January such as "Season of Infamy", Batman and Batmobile skins and the character side stories.

So far, Warner Bros. Interactive Entertainment and Rocksteady Studios have not yet made a statement regarding the leaked "Batman: Arkham Knight Complete Edition".

Aside from the complete edition, the long rumored "Arkham" collection will likely be in the works this year. YouTube username Liam Robertson reportedly claimed that the "Arkham" collection is still in development and could potentially be released in the summer this year.

The "Arkham" collection will contain two of its previous titles, "Batman: Arkham Asylum" and "Batman: Arkham City". "Batman: Arkham Origins" will not be included in the collection due to it not being developed by Rocksteady Studios and for its harh critical reception. The collection will also inlcude all of its DLCs, Gamerant reported.

In other news, Warner Bros. announced that "Batman: Arkham Knight" will not be available for the Mac and Linux.

The announcement was made in the Steam Community post and Warner Bros. did not offer any explanation or reasons for its cancellation. However, gamers who have pre-ordered are invited to get a refund in Steam.

Several gamers speculated that reason for its cancellation in the Mac and Linux is due to the PC versions numerous problems and glitches, that Warner Bros. decided not go for it fearing it could have the same problems in the Mac and Linux platforms, VG 24/7 reported.

"Batman: Arkham Knight" is currently available for the PlayStation 4, Xbox One and for the PC.