The latest "No Man's Sky" update will feature leaked DLC details and a possible E3 2017 appearance this week.

It seems that a new clues for "No Man's Sky's" latest DLC update has been leaked online as a Reddit user found a packages from Hello Games containing NMS merchandise of various sorts and a single, numbered audio cassette, each of them carrying a hidden message.

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Each tape has a piece of synth music on it and it appears that a total number of 16 will be revealed for "No Man's Sky" in the coming weeks. While this a good indication that Hello Games could be planning something big, others are skeptical about the leak.

NeoGaf user legacyzero pointed out in his summary of events of the "No Man' Sky" leak is that nobody owns a cassette player. Another problem, as seen in these captures of Discord chats, is that some users do not want to share what they have received, although one of them claimed that Hello Games stated that it is expected this to happen and will help us out when needs be.

So far, there are seven reportedly found and being deciphered by gaming ans. Running these through a spectrograph reveals the coded message of "706s7274616p." Players who applied the ROT13 substitution cipher, a hexadecimal value was garnered which was then converted to ASCII, providing the message: "Portal."

It appears that a new "No Man’s Sky" update is coming soon, although from the effort of the new ARG, it would suggest it is on a bigger scale than the previous updates.

This could be Hello Games’ signal that they may be moving onto something more akin to an expansion for the game, rather than the recent Pathfinder updates released, Express reported.

With that in mind, will Hello Games announce it during E3 2017 this week?

It has been rumored that Hello Games could announce new details for "No Man' Sky" at E3 2017. While Sony and Hello Games have not made any sort of announcement, the game developers stated last month that they will continue to work on improvements for the sci-fi exploration game.

Hello Games has shifted away from public appearances to make more in-game contents and improvements on "No Man’s Sky" . In addition, several players who have been reading Reddit posts on the game found some hints that Hello Games could add-in some promised features that were unavailable at launch.

Several job listings were found in Hello Games website as they are looking for Technical Director, Experienced Programmer, Graduate Programmer and PA and Office Administrator.

Following the release of the Path Finder update and recent staff shifts, it appears the Guildford studio is getting bigger and the positions mostly mandate computer science degrees, programming knowledge and experience shipping triple-A games.

After rocky launch of "No Man’s Sky" in August last year, Hello Games has pushed through the typical industry practice of layoffs and departures.

"No Man's Sky" is currently available for the PS4 and PC platforms.