We're inching ever closer to the official release date for Call of Duty: Modern Warfare 4, and that means it's almost time for fans of the first-person shooter franchise to get their hands on the multiplayer beta for themselves. If you're wondering when and how you can play multiplayer from Call of Duty: Modern Warfare 4, we've got you covered.

Modern Warfare 4's multiplayer beta will span across two separate weekends. Early Access for players who have preordered drops on August 21, immediately following the live broadcast of this year's Call of Duty: NEXT. Early access ends August 25. The Open Beta, which is free and available to all players across all platforms, kicks off the following weekend, on August 28, and lasts until September 1.

Call of Duty: Modern Warfare 4 Early Access Beta

The Early Access beta period for Modern Warfare 4, lasting from August 21 to August 25, is only available to users who preorder any edition of the game. However, some early access beta codes have been awarded to players for tuning in to Call of Duty live stream events like the recent Fanatics Fest showcase.

A strict start time for the beta has not yet been revealed, though the official Call of Duty blog does confirm it will be immediately following this year's Call of Duty: NEXT broadcast for the first time ever.

The early access weekend event is only for preorders on Xbox Series X|S, PlayStation 5, and PC editions of the game on Steam, Battle.Net, and Xbox on PC.

Open betas for previous Call of Duty titles, including Black Ops 6 and Black Ops 7, were included in the official Call of Duty HQ launcher as updates. The beta for Modern Warfare 4 will most likely be accessed in a similar fashion.

Call of Duty: Modern Warfare 4 Open Beta

If you're hesitant to preorder Call of Duty: Modern Warfare 4 and you aren't able to get your hands on an early access beta code, the open beta is for you. Everybody on all platforms — including the Nintendo Switch 2 for the very first time — will be able to squad up and experience Modern Warfare 4's multiplayer beta starting August 28 until September 1.

No preorders or special codes are required; simply install Call of Duty HQ for access during the open beta window.

Multiplayer Beta access expectations

Call of Duty beta access windows typically provide us with the first public hands-on for multiplayer maps, modes, and weapons. It's a chance for players to experience the game's gunplay and movement mechanics before the full launch while also providing valuable feedback to the dev team for pre-launch fine-tuning. Treyarch famously reconsidered door placement for Black Ops 6 following feedback from the beta.

However, we shouldn't expect every Modern Warfare 4 multiplayer map and mode that will be available at launch to be playable during the early access or open beta periods. It is normal for these access periods to offer pared-down playlists, limited only to core modes. Those of us who like the hardcore playlists will have to wait until launch for some sweet one-shot action, but it is still worth checking out the beta to get a handle on gunplay and a feel for Modern Warfare 4's changes to movement.

I previously went hands-on with Modern Warfare 4 in its alpha state, and I found the gameplay to be a bit slower than what we've seen during Black Ops 6 and 7's tandem eras while still keeping encounters exciting. Significant changes to weapon sights have alleviated many of the past Modern Warfare titles' gunplay frustrations, and the new Kill Block map is an exciting innovation on small map mayhem.

Call of Duty: Modern Warfare 4, developed by Infinity Ward and published by Activision, launches on October 23 on Xbox Series X|S, PlayStation 5, Nintendo Switch 2, and PC via Steam, Battle.Net, and Xbox on PC.

Preorders for the standard edition or the Vault edition unlock early access to the beta from August 21-25 on all platforms except the Nintendo Switch 2. Preordering also unlocks early access to the Modern Warfare 4 campaign starting October 16. The open beta goes live August 28-September 1 for all platforms.

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Xbox and Activision have broken with tradition and partnered with Fanatics Fest to show off one of the most innovative new maps heading to Call of Duty: Modern Warfare 4 when it launches this October.

Multiplayer map reveals are typically reserved for the annual Call of Duty NEXT event, but a date for the celebration of all things Call of Duty has yet to be confirmed for 2026. Rather than waiting until closer to launch, Infinity Ward will give the public their first look at the new map, "Kill Block", during Fanatics Fest in New York City from July 16-19.

Call of Duty: Modern Warfare 4 will be playable for those who have purchased tickets to Fanatics Fest at the Javits Center in NYC, and a panel featuring Kevin Durant, Inde Navarrette, Infinity Ward Studio Co-Head Mark Grigsby, and Tyler Bahl will take the stage for an exclusive panel on Call of Duty in Culture on Saturday, July 18.

The original concept behind Kill Block was dreamed up by Multiplayer Creative Director Geoff Smith, who was inspired by the Santiago Bernabéu in Madrid. The stadium is designed to have multiple arena floorings set on a rotating slab, allowing it to shift from a football stadium to a concert venue and back again while maintaining the various fields.

From concept to production, Kill Block eventually evolved into an adaptive training facility with a modular battleground that pieces together different slabs to create hundreds of unique map combinations. Designed to resemble a live-fire training environment, Kill Block is assembled from two end slabs with a central slab that pieces together map sections, both new and from iconic locations seen throughout Modern Warfare's rich history.

Infinity Ward shared an overview of how the engineering behind Kill Block works in a new blog post.

Engineering a dynamic map for Modern Warfare 4

While Call of Duty is a video game, the team at Infinity Ward takes great pride in the real-world inspiration beyond the pixels. It would be easy enough for the development team to shrug off the hows and whys of the mechanics powering Kill Block as "It's just a game" and hope that the players could suspend disbelief enough to enjoy themselves. But Infinity Ward doesn't work that way, and the team has taken the engineering behind Kill Block very seriously.

Kill Block, which is set within the West Bridge Advanced Military Training Facility, is flanked along the perimeter by eight concrete towers that house the electronics, motors, and pulley systems that make the dynamic arena function. The map is functionally the size of the popular Shoot House map from Modern Warfare past, though its continuously evolving layout keeps things fresh with each new round.

The map's three slabs sit upon a network of rail-mounted wheel assemblies, known as 'bogies', that travel along tracks embedded above and below the training area. The map changes at the end of each round of Gunfight. When the active slab decouples from the others, it is lowered to a storage chamber beneath the arena for safekeeping. The motor then selects the new Slab and winches it into position before raising it to the surface. How's that for combat evolved, Halo?

Each slab effectively takes up one third of Kill Block's play space, and each one is completely self-contained while maintaining all the necessary openings to flow seamlessly into each other. While each team spawns on their respective endpoint, movement across all three slabs in the combo is unrestrained (and encouraged.)

Some slabs add more than just new buildings, trees, or other obstacles. Some are also fitted with military-grade weather simulation systems — introducing snow flurries, fog, and other conditions that affect not just the look of the map but also weapons.

Kill Block's slabs are a new way to experience old favorites

Call of Duty as a franchise struggles to walk a tight line between feeding into the nostalgia of its long-time player base while allowing the developers the creative freedom to create fresh and new experiences that might lure new players in. One way the development teams have sought to bridge that gap is with remastered variants of once-popular multiplayer maps.

But leaning into an influx of remasters leaves players looking for something new out in the cold. After 5 different variants of Shipment and Shoothouse, both the fans and the players can find themselves struggling with the threat of Call of Duty fatigue. Kill Block is an interesting solution to that problem, introducing both the chaotic gunplay of a small map without leaning exclusively into the tried-and-true favorites.

Infinity Ward's multiplayer team has claimed that there are enough assets readily available for Kill Block to support up to 900 combos total, though at launch, players can expect roughly 500 to be live. The following slabs can be expected in the Kill Block rotation at launch, though some names may be changed:

• Ambush (Call of Duty 4: Modern Warfare): A central slab featuring a convoy-clogged main road with blown-out pre-fab buildings on either side, with plenty of sniping opportunities.
• Blacksite (Call of Duty: Modern Warfare II and III): An end slab featuring three prefabricated structures with open access between each of them. Players will find a mud and grass thoroughfare, a rusted van, an open cargo container, and stacked military gabions.
• Killhouse (Call of Duty 4: Modern Warfare): Gabions corner prefab walls with some small gaps for mantling, while a central kill box dots the middle of the map, and small scenic cover opportunities cover the edge of the end slab.
• ME-Town: A central slab featuring a kill box dirt courtyard surrounded by prefabricated structures in each corner. Lots of interior and roof space for sniper nests. The main building is turquoise and features plenty of opportunities for close-quarter combat in its tight rooms and scramble points.
• Snow Block: The fortifications of open cargo containers and concrete blocks offer unique overwatch opportunities to would-be snipers, but there's a limit to how much cover you can find on this end slab.
• Trench: This central slab is a literal no-man's land of sunken mud walls and pill boxes with sandbags, tires, and wooden trusses that feel like they're going to collapse in on your squad without a moment's notice. This is a fraught middle ground with minimal cover, but good sight lines.

In addition to the confirmed Kill Block slabs, Infinity Ward also teased imagery showing off combos for the dynamic map featuring parts of Station, Shoot House, Woods, and Killhouse. Additional maps and supported modes for Kill Block are expected to be added to the game during Call of Duty: Modern Warfare 4's seasonal content drops post-launch.

Hands-on impressions of Kill Block

Members of the press and content creators alike were invited to Infinity Ward's studio for an early hands-on preview of Kill Block in action. During the preview, we were able to play matches of 10v10 Gunfight on Kill Block. The match would begin with the player teams each infilling on their respective end slabs with a loadout that had been randomly assembled by the game.

Gunfight is a round-based, one-life per player core mode, and the first interactions with Kill Block were surprisingly intimidating. There's an urge to explore the undeniably creative design of Kill Block and to understand all the machinations behind it. But doing so certainly puts you at risk of other players who aren't so interested in the aesthetics willing to pick you off as an easy target.

When you do get over the desire to ooh-and-aww over what Infinity Ward has managed to create out of Kill Block and decide to focus on the game, you'll find yourself quickly flung into intense combat against enemy players. As a long-time fan of small map playlists that throw you immediately into the line of danger, I was excited to feel that rush of instant action from Kill Block.

Infinity Ward's willingness to give fans of small maps something to sink their teeth into had interesting effects on the player base in Modern Warfare 2 (2022). There were considerable complaints on social media by players who felt the time between matches was too long in standard map playlists as players flocked to small map rotations in order to complete grindy camo challenges.

And yet, at the same time, there was a subset of players who love small maps so much they were even requesting Treyarch to introduce IW's beloved tiny map, Shipment, to the Black Ops series. (They didn't, but they did take a risk and go even smaller with the chaotic GRWM limited map during April Fools.)

Kill Block feels fresh and exciting and new, but it's serving multiple purposes for the split fan base that pines for nostalgic gameplay and laments continuous remasters simultaneously. Personally, Kill Block is one of my most anticipated new additions for Call of Duty: Modern Warfare 4.

Call of Duty: Modern Warfare launches on Xbox Series X|S, Xbox on PC, Battle.net, Steam, PlayStation 5, and the Nintendo Switch 2 on October 23, 2026. Players who preorder the game will unlock early access to the Open Beta and up to one week of early access to the Modern Warfare 4 campaign starting on October 16. Modern Warfare 4 is the first Call of Duty title to skip last-gen consoles, and the game will also not be included in Xbox Game Pass subscriptions until Holiday 2027.

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The Call of Duty: Black Ops and Black Ops 2 ports for the PS4 and PS5 were received to much hype and excitement. But guess what? They're a mess. Who possibly could have guessed?

Only everyone who's ever tried playing the backward compatible versions on Xbox consoles in recent memory. Collectively, it's an "I told you so," because we knew it would happen.

The only difference is that the 'shiny new' ports on PlayStation seem to be getting some kind of active support from Activision. Because Black Ops has had some of its playlists deactivated while "issues" are investigated.

The issues are simple: hackers. You think Black Ops 7 has a bad rep for hackers? Without modern anticheat technologies, the old games are like the Wild West.

It's taken absolutely no time at all for the new ports to be compromised, which really does show just how lazy they are. We're not just talking about wallhacks, either, though those are bad enough.

Players are being inundated with lobbies packed with players running exploits. Some are instantly max prestige, everything unlocked, ridiculous statistics, and perhaps worst of all for legitimate players, it's been reported a "negative XP" hack is dropping players back to level 1.

I love both of these games, but from the get-go, I saw nothing but a quick cash grab, cashing in on player nostalgia for the old games we loved so much, especially in a year when the new Call of Duty hasn't had the best reception. But they're not 'new,' are they? They're just the same old games we've been able to play on Xbox all along.

I saw a question on Reddit where, potentially linked to the recent hype, an Xbox player was asking if it was worth them buying Black Ops 2. At full price, the only answer is no. If you want to enjoy multiplayer, I'd also say the answer is no. If you can get a cheap disc to enjoy the campaign and Zombies? Sure.

But props at least to Activision for seemingly offering support on these ports. How long it'll last and how far they'll go, I guess we'll find out. But it's more than we've seen on Xbox with the existing versions in a long time.

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It was no secret that this year's Call of Duty: Modern Warfare 4 wasn't heading to Game Pass. It's a large part of the reason Microsoft was able to cut the price of Game Pass earlier this year, scoring Xbox a major win during Asha Sharma's first moves as Xbox CEO.

Now, while Sharma has scored some wins, we're all too aware of the concerns surrounding the next couple of months at Xbox, but I digress. What really caught my eye, however, is that Activision is now reportedly advertising Modern Warfare 4 online with a very specific message.

It states, and I quote, "NOT ON XBOX GAME PASS THIS YEAR," while urging people to pre-order the game, which also provides early access to the game's campaign.

I, myself, am actually fine with Call of Duty not being on Game Pass. As someone who didn't enjoy last year's Black Ops 7, even if I had, the money saved from the Game Pass price cut is enough to buy the game each year anyway, which is what I've typically done for my dad. This year, though, he's insisted on Assassin's Creed Black Flag Resynced, despite my pleas to get 007: First Light instead, since we share games.

That said, Modern Warfare 4 does look pretty okay. It's still hard to say, as it does just look like another Call of Duty, but with promises to stay clear of goofy skins and the like, it's at least more promising than Black Ops 7 to me.

Despite it not necessarily being for me, I do still wish Activision the best. As someone who comes from a time when Call of Duty 4 dominated back in the Xbox 360 days, I hope a more grounded Call of Duty can help the franchise return to its roots, and a more grounded Call of Duty is definitely something I can get behind.

Maybe that's just me, though. Let me know your thoughts in the comments, and be sure to take part in our poll!

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