MW4 Patch Notes: October 21 Launch Update
The latest verified launch notes, their effect on weapons and maps, and a separate historical beta archive.
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Unofficial wiki & strategy guide · October 22, 2026
Call of Duty: Modern Warfare 4
Your focused field guide to Call of Duty: Modern Warfare 4 — campaign missions, weapons, maps, operators, DMZ systems, launch updates and a saved Stranded collection checklist.
Campaign early access October 16, 2026Full launch October 23, 2026
What is COD MW4?
Your next operation starts here
Modern Warfare 4 brings campaign operations, competitive multiplayer and DMZ extraction into one release. Start with verified access information, follow the campaign mission order, and keep the Stranded code reference close at hand.
LaunchOct 23, 2026
Campaign accessOct 16, 2026
DMZ accessOct 20, 2026
Core modesCampaign · MP · DMZ
Game PassNot at launch
This guideEnglish · 日本語 · 한국어
⌖
Know when to deploy
Find the release date and distinguish full launch, campaign access and DMZ access.
✦
Follow the campaign
Use the mission list and focused guides for Stranded and Following Orders.
◆
Find the right code
Identify the exact container or bunker before entering its reported code.
♜
Check your access
Understand preorder eligibility, editions and the official Game Pass position.
Campaign field notes
What players need right now
MW4 Stranded Codes: Containers & Hidden Bunkers
Eight community-reported lock codes, including Island Hidden Bunker 0008, with the small-island container discrepancy explained.
Read guide →MW4 Following Orders: Toolbox Code & Choices
Toolbox code 214, a spoiler-aware approach to choices and the conflicting collectible counts in community guides.
Read guide →MW4 Campaign Mission List & Order
The reported 16-mission sequence, with direct links to Following Orders and Stranded. Mission-name spoilers ahead.
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MW4 Stranded Guide: Objectives, Codes & Exploration
Plan Stranded exploration, distinguish optional locks from objectives and find the correct bunker code reference.
Read guide →MW4 Campaign Guide: Where to Start
A spoiler-light starting point for campaign access, mission order and the Stranded and Following Orders references.
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MW4 Early Access: Campaign, DMZ & Multiplayer
Check the October 16 campaign and October 20 DMZ windows, digital preorder eligibility and the difference from the beta.
Read guide →Launch preparation
Access, dates and editions
MW4 Release Date & Launch Information
Modern Warfare 4 launches October 23, 2026. Separate full release from campaign and DMZ early access.
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Is MW4 on Game Pass at Launch?
No: Modern Warfare 4 is not included at launch. The official announcement points to Holiday 2027.
Read guide →MW4 Early Access: Campaign, DMZ & Multiplayer
Check the October 16 campaign and October 20 DMZ windows, digital preorder eligibility and the difference from the beta.
Read guide →Field dossiers
Explore Modern Warfare 4
MW4 Weapons Database & Unlocks
Modern Warfare 4Browse 24 primary weapons, four pistols, four launchers and the launch melee weapon, with official unlock conflicts flagged.
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MW4 Maps: Multiplayer & Hajin DMZ
Modern Warfare 4Separate the 12 Core maps, launch map categories, modular Kill Block and the Hajin extraction region.
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MW4 Operators & Unlock Requirements
Modern Warfare 4Find all 33 launch-listed operators and distinguish starting, campaign, DMZ, multiplayer and edition unlocks.
Read guide →MW4 DMZ Beginner Guide: Prepare, Deploy & Extract
Modern Warfare 4Prepare at the FOB, choose a deployment purpose and understand what successful extraction preserves.
Read guide →Systems codex
Know the rules before deploying
MW4 Progression & Prestige: Levels and Reset Rules
Modern Warfare 4Compare MP level 55, DMZ level 70, Classic versus Regular Prestige and Weapon Prestige attachment resets.
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MW4 Gunsmith & Apex Attachments Explained
Modern Warfare 4Understand shared attachment unlocks, Apex slots, restrictions and Gunny build suggestions.
Read guide →MW4 Camos: Military, Special & Mastery Progression
Modern Warfare 4Follow the camo stages, separate shared unlocks from mode-specific Mastery and read weapon-specific challenges.
Read guide →MW4 DMZ FOB: Stations, Storage & Unlocks
Modern Warfare 4Understand Orders, Stash, Printer, Vendor, Gunsmith and Dog Tag Case before your next deployment.
Read guide →MW4 DMZ 3D Printer: Six Starter Recipes
Modern Warfare 4Look up confirmed starter materials for healing, armor vests and backpacks, and learn how recipes enter the FOB printer.
Read guide →MW4 Stranded Collectible Checklist
Modern Warfare 4Track 58 notes, 26 yellow supply crates and eight locks. Search, filter and save progress locally across languages.
Read guide →Latest dispatches
The road to launch
MW4 Progression & Prestige: Levels and Reset Rules
Compare MP level 55, DMZ level 70, Classic versus Regular Prestige and Weapon Prestige attachment resets.
Read guide →MW4 DMZ FOB: Stations, Storage & Unlocks
Understand Orders, Stash, Printer, Vendor, Gunsmith and Dog Tag Case before your next deployment.
Read guide →The next operation is close
Keep the field guide handy.
Source-linked launch answers and campaign references, available in English, Japanese and Korean.