• 'Call of Duty: Infinite Warfare'

'Call of Duty: Infinite Warfare' (Photo : Twitter/Call of Duty)

Almost a year since "Call of Duty: Black Ops 3" hits the shelves, the game's final expansion pack, "Salvation" is now available. The "Salvation" expansion adds four multiplayer maps to the game in addition to the Zombies map Revelations. In addition, the release date for the Xbox One beta of "Call of Duty: Infinite Warfare" may have been leaked thanks to the Microsoft Store just days after the PS4 gets it.

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According to GameRant, "Revelations" is the final Zombies map from Treyarch for at least a few years, however, the map has been repacked with one of the most elaborate Easter Eggs in series history. In order to complete the elaborate Easter Egg on the "Revelations" map, players have to follow some tips to win and also unlock the "A Better Tomorrow" trophy in the process.

Before tackling the Easter Egg, "Call of Duty: Black Ops 3" players should spend some time familiarizing themselves with the new Zombies map. It is advisable that such players are able to assemble a team of friends to help them get through all the steps, but it is possible to complete the entire 'A Better Tomorrow' Easter Egg as an individual as well.

Charlie Intel reported that the Microsoft Store briefly highlighted the release date for the beta on Xbox One. The post read, "Beta starts Oct. 21, 2016 on Xbox One." In the post, it was shown that the availability and launch date(s) are subject to change as can be seen on www.callofduty.com/beta and that the minimum Beta duration is 3 days.

Players should take this with a grain of salt as the information about the "Call of Duty: Infinite Warfare" beta release date has now been removed from the Microsoft Store. Also, the Activision is yet to officially confirm the beta dates for Xbox One and PC owners.

PS4 owners will access the beta release on Oct. 14 and fans have to pre-order the game either digitally or physically at a retail store in order to gain access to it. An Oct. 21 date seems feasible since a beta will need to be done before the full game comes out on Nov. 4, 2016.

Meanwhile, turning on the power in a Zombies map spawn a Keeper and reaching the Pack-A-Punch machine will make a player win in the "Revelations" version. And once this Easter Egg is over, gamers will have finished the storyline that started back in 2008 with "Call of Duty: World at War."

Luckily, Zombies mode players will not have to wait too long for a new zombie taste, as Zombies in Spaceland will be available with "Call of Duty: Infinite Warfare" on Nov. 4, 2016.