The squad size in MW4 DMZ is up to three players: you can deploy solo, as a duo or as a trio, and Squad Fill tops you up to three by adding two allied players. There is no quads queue as of November 2026, but squads can grow during a match by assimilating with another squad through the Ping Wheel, and one hands-on guide reports that a squad can reach four that way. Launch guides put a full server at up to 60 players across 20 squads, though Activision has not published an official number.
We checked this against Activision's FOB and Hajin guides, a June Infinity Ward interview with Destructoid, the launch and Season 1 patch notes, and launch coverage from Insider Gaming, GAMES.GG, Dexerto and COD Central.
The Official Squad Rules
The clearest statement on squad size came before launch. In Destructoid's interview with Infinity Ward in June, the article reported that DMZ supports teams of three and that matchmaking would be based on squad size, with solo players matched against other solos. Dexerto's solo guide quotes the developers describing the same direction: solos with solos, duos with duos and trios with trios, with the caveat that there is no promise you will never meet a bigger group.

Activision's FOB guide fills in how that works at the Deploy screen. In the Ready Up menu you can turn Squad Fill on or off. With it on, Squad Fill automatically drops you into your deployment with two other allied players, which Activision recommends if you do not have friends to play with. With it off, you deploy with whoever is in your party, so a party of one goes in solo and a party of two goes in as a duo.
Activision's own language reinforces that squads are optional. The FOB guide says that how you approach each deployment, within a squad or acting alone, is entirely up to you, and its initial intel says the Stealth Meter assists solo players particularly well.
How Many Players Are in a DMZ Match
Activision has not printed a player count, so the figures in circulation come from launch coverage. Insider Gaming and GAMES.GG, both writing on October 21, report a maximum of 60 players per match in squads of up to three, which is where the 20 squad figure comes from. Both stress that the real count depends on matchmaking: a server full of solos and duos will have fewer players even with the same number of squads.
Spread across Hajin, that is not a crowded map. Activision describes it as one of the largest Call of Duty environments it has built, with over 60 named locations, so most of the time you are fighting AI and only meeting other squads at the places everyone wants: exfils, high threat points of interest and anything that broadcasts a position. Our guide to whether DMZ is PvE or PvP covers those encounters.
Assimilation and the Quads Question
Quads are one of the most common follow-up questions, and the honest answer has two parts. There is no option to queue as four, and we found no announcement of one when we checked on November 10. But a squad can get bigger once you are inside Hajin.

The mechanism is assimilation. Activision's Hajin guide says the Ping Wheel lets you request a Truce, assimilate with another squad, or use other Operator actions. The patch notes confirm it is a live system: an October 29 fix let players pick up a hostage after assimilating, and Season 1 fixed both hostage pickups during Dynamic Operations after joining another squad and a case where your Dog Tag did not return to you when the Operator carrying it joined your squad.
How big can an assimilated squad get? COD Central's hands-on guide says a squad can grow to a maximum of four through the Ping Wheel, and adds that Activision's DMZ guides do not state these limits, so the figure comes from their own runs. Treat four as the reported cap until Activision confirms it. In practice, this is how a solo player picks up allies: Dexerto's advice is to use Proximity Chat to make your case before asking to join, and to be ready for the other squad to say no in the least friendly way.
Playing Solo, Duo or Trio
Each size has its own rhythm, and the mode supports all three.
- Solo. There is no separate solo button. Turn off Squad Fill at the Ready Up screen; a community guide lists the input as 1 on keyboard or the left trigger on a controller. One guide notes that the Random Story Mission option always uses Squad Fill, so pick a specific mission if you want to go alone. Solos rely on stealth, the Tourniquet, which Activision describes as a way to heal back to a wounded state without a self-revive, and quick exfils.
- Duo. Two players can cover each other's revives and split looting without the coordination overhead of a full squad. Matchmaking aims to put you with other duos.
- Trio. The full squad is built for Dynamic Operations, defend steps, boss fights and X01, where Activision warns that the only reliable edge you may have is the back-up of your squadmates.
Exfils behave differently by size too. A community guide reports that solo players get a five second countdown as soon as they step onto an exfil, while in a squad the countdown runs 30 to 45 seconds until every member is on board, then drops to five. Step on together and stay on. For more on running alone, see our solo guide.
What Squads Share and What They Do Not
Playing as a squad brings some shared rewards and some traps worth knowing.
- Shared credit. In the Season 1 Threat Briefing events, one teammate getting a tank part or helmet section out counts for the whole squad, which makes a trio far more efficient than three solos.
- Weapon Manuals are personal. Activision says Weapon Manuals are consumed at exfil and unlock that weapon at your Gunsmith. A community guide's tip follows from that: if a squadmate needs a manual you found, hand it over during the match, because once you extract with it the unlock is yours.
- Weapons for teammates. Activision suggests experienced players build weapons for squadmates and carry them in a Weapon Backpack to drop once the deployment is under way.
- Orders overlap. The FOB guide recommends checking your squadmates' DMZ Orders against the story mission you pick, since you may be able to complete objectives together.
- Your gear is still yours. Each Operator keeps their own backpack and loadout, so a squadmate's Secure Slot does not protect your items. Our Secure Slots guide explains what does.
One squad related bug is worth knowing about even though it is fixed. Before October 24, a party leader could pull teammates out of DMZ without their consent, which marked their Active Duty Operators as MIA. If that happened to you in early access, that was the cause.
Picking the Right Size for the Job
Match the squad to the plan. Quiet loot runs through clinics and gun stores work well solo or as a duo, because fewer players make less noise and split less loot. Dynamic Operations reward a full trio, since three guns hold a defend objective far more easily and each completed op improves the Supply Drop for everyone. Boss hunts and X01 lean toward full squads as well. If you are new and still learning the base, our perspective explainer covers how the FOB and the field look different, which helps when you are grouping up with strangers for the first time.
Squad size also shapes the PvP side of the mode. Activision's FOB guide says the Bounty system weighs several factors when it raises a killer's Bounty level, including who fired first and whether that player was outnumbered, so a solo who wins a fight against a trio is treated differently from a trio that runs over a solo. The Hajin guide adds that accepting the Hunt Operators Dynamic Op means facing a full squad of rival Operators, which is a poor choice for a lone player on a Free Loadout. If you are short on teammates, Squad Fill is the simplest way to even those odds, and assimilation is the in-match fallback.
Unlocking Guns for the Whole Squad
Since Weapon Manuals unlock a gun only for the player who extracts them, a squad often ends up with uneven arsenals. The store's MW4 DMZ Weapon Manuals service has the team find and extract the manuals you pick on your account, so those weapons unlock for purchase at your Gunsmith whenever you want them, and each manual extracted also pays 5,000 DMZ Cash. It is done by hand in normal DMZ deployments, so the team contacts you for your account login, with optional DMZ Cash add-ons to fund builds. It works on PlayStation 5, Xbox Series X|S and PC. Our Weapon Manuals explainer covers how the system works in game.
Other Modern Warfare 4 services are on the MW4 hub.
Frequently Asked Questions
What is the max squad size in MW4 DMZ?
You can queue with up to three players. One hands-on guide reports a squad can grow to four by assimilating with another squad mid-match.
Can you play quads in MW4 DMZ?
Not as a queue. Parties deploy as one, two or three players. Four is only reported through assimilation during a match.
How many players are in an MW4 DMZ match?
Launch guides report up to 60 players in up to 20 squads. Activision has not confirmed an official count, and it varies with matchmaking.
How do you play MW4 DMZ solo?
Turn off Squad Fill in the Ready Up menu before you deploy. You can still meet other squads in the match.
What does Squad Fill do in DMZ?
It drops you into the deployment with two other allied players so you start as a full squad of three.
Do squadmates share Weapon Manual unlocks?
No. The player who extracts the manual gets the Gunsmith unlock, so pass a manual to the squadmate who needs it before you exfil.