Call of Duty: Modern Warfare III – Season 6 Update & Crossplay Guide

Activision has rolled out Season 6 of Modern Warfare III, bringing new maps, weapons, and balance changes ahead of the next big Call of Duty cycle. For Canadian players, this patch also matters because it refreshes playlists and unlocks crossplay improvements across PC, PlayStation, and Xbox. Below, we break down everything you need to know.

MW3 Season 6 Release Date & Download Size

Season 6 went live on October 2, 2025. Download sizes vary by platform:

PC (Battle.net/Steam): ~42 GB
PlayStation 5: ~38 GB
Xbox Series X|S: ~39 GB

New Content in Season 6

Highlights of Season 6 include:

New Maps: “Ironworks” (core 6v6) and “Silo” (Gunfight)
Weapons: KR-9 SMG and ZR-55 Marksman Rifle
Modes: Zombie Horde Rush and Capture the Core (limited-time)
Operators: 2 new themed bundles plus a crossover skin pack
Battle Pass: 100 tiers with COD Points, weapon blueprints, and cosmetics

Crossplay in Modern Warfare III Explained

Like previous seasons, crossplay remains enabled by default. This means Canadian players can squad up with friends regardless of platform. Here’s how it works:

Supported Platforms: PC (Battle.net/Steam), PlayStation 4/5, Xbox One, Xbox Series X|S
Account Linking: Requires an Activision ID
Voice Chat: Integrated through Activision’s in-game party system
Disable Option: Can be turned off in settings (though matchmaking may take longer)

How to Add Crossplay Friends

1. Open the in-game Social Menu. 2. Select Add Friend. 3. Enter your friend’s Activision ID (including the # tag). 4. Accept the request and invite them to your party. 5. You can now queue for any mode together.

Competitive Balance and Crossplay Lobbies

Crossplay lobbies in MW3 are input-based. Players using controller are generally matched together, while KB+M players face each other more often. However, mixed parties may be placed in hybrid lobbies.

Season 6 Patch Notes – Key Changes

Weapon Balancing: Nerfs to the HRM-9 SMG, buffs to the MTZ-556 Assault Rifle
Perks: Dead Silence adjusted (slightly longer cooldown)
Vehicles: Bug fixes in Ground War maps
Stability: Improved performance on PS5 and Series X

Final Thoughts

Season 6 sets the stage for the next Call of Duty cycle, but also keeps Modern Warfare III fresh with new content. For Canadian players, crossplay makes it easy to stay connected across platforms while enjoying the new maps, modes, and balance tweaks. Whether you’re grinding ranked, exploring new playlists, or teaming up with friends, this update ensures MW3 remains one of the most played shooters in 2025.

Responsible Play: Call of Duty: Modern Warfare III is rated M for Mature (17+). Always play responsibly and take breaks during long gaming sessions.