The first map sees players escaping from an undead-filled prison. The second, Liberty Falls, will be revealed on August 28th.
Activision has offered a first look at the core cast and one of the launch maps for the upcoming Call of Duty: Black Ops 6's Zombies mode with a new cinematic trailer.
However, the team is "conscious of ensuring we're not widening the skill gap too much" for those who don't want to use it.
The early access beta will be available on all platforms for those who pre-order the game, as well as Game Pass subscribers, while an open beta will also go live a week later.
The first-person shooter will arrive for the service in the latter half of July, with a potential announcement today, it's been claimed.
The developers didn't know about Call of Duty: Black Ops 6 coming to Xbox Game Pass until recently, according to senior director of production Yale Miller.
Activision took to X (formerly Twitter) to clear the air about the storage requirements for Call of Duty: Black Ops 6.
Those subscribed to Game Pass Ultimate or PC Game Pass will get access to the entire game. No modes will be available through Game Pass Core.
It will be the largest install size for a Call of Duty game at launch to date, which is saying something for a series that's notorious for excessive install sizes.
Treyarch's next Call of Duty will have twelve Core 6v6 maps and four Strike Maps at launch. Theater Mode also makes a return.
Omnimovement allows for sprinting, sliding and diving in any direction. Players can also enter a supine prone with full 360-degree aiming.
Call of Duty: Black Ops 6 will make use of texture streaming to save on space, forcing an internet connection for even the single-player campaign.
Raven Software leads the campaign, which sees the team going rogue after discovering a shadowy presence has infiltrated the US government.
The first-person shooter is set to launch later this year for PC and consoles, with more details set to follow soon.
Treyarch's next title in the long-running series will receive a worldwide reveal and dedicated Direct presentation on June 9th.
Following rumors that it's bound for previous-gen consoles, the official Xbox Store listing seemingly confirms the same.
Microsoft confirmed its launch on Game Pass Ultimate, PC Game Pass and Game Pass for Console - but not Core - to Geoff Keighley.
The first-person shooter will be getting its full worldwide reveal on June 9, and is rumoured to launch this October for PC and consoles.
Notifications announcing the first-person shooter's addition to Game Pass this year reportedly popped up on the Xbox Game Pass app.
The first-person shooter was recently officially announced, and is set to have its full unveiling on June 9.