Status
The Modern Warfare 4 Early Access Beta ran August 21–25, 2026. The Open Beta ran August 28–September 1, 2026, and is now ended.
Rewards
Rewards unlocked during the Beta are intended to become available in Modern Warfare 4 at launch where the official reward rules apply. Keep this page as a reference, not a code redemption page.
What was playable
The two weekends included Multiplayer maps and modes, the Entrenched Campaign mission, and Warzone Resurgence content in the public window.
Where to go next
For current information, use the release guide, weapons database, loadouts, Warzone integration page, and official update timeline.
Archive references
Read the underlying notes
These related MW4 pages carry the source detail behind this summary.
IGN guideAll Mulitplayer Game Modes In MW4During the Call of Duty: Modern Warfare 4 beta, there are 10 multiplayer game modes available to play. These range from core 6v6 modes like Team Deathmatch and Kill Confirmed to others such as Gunfight, Domination, Inflation, and more. This guide provides a complete list of all known game modes in Call of Duty: MW4, along with details on match times, scor...IGN guideAll Multiplayer Maps In MW4The Call of Duty: Modern Warfare 4 Open Beta features a total of nine playable multiplayer maps. These range from compact, run-and-gun maps to larger maps with longer sightlines better suited for Sniper Rifles. This guide provides a full list of all multiplayer maps available in the MW4 Beta.IGN guideApex Attachments ExplainedWhile you can still expect the usual weapon tinkering that is present in all modern Call of Duty entries, Modern Warfare 4’s newest weapon attachment type, Apex Attachments, add a whole new dimension to what’s possible for your loadouts in some very game-changing ways. Here's everything you need to know about Apex Attachments in Call of Duty: MW4, includi...