Modern Warfare 4 Beta Adds First Campaign Mission ‘Entrenched’

Activision is opening the doors to the first-ever single-player campaign experience within the Call of Duty: Modern Warfare 4 beta. The beta allows players to experience the campaign mission Entrenched, marking the first time a single-player narrative segment is available during testing. The beta schedule begins on August 21 for those who pre-ordered the title and opens to the public on August 28. We have been tracking Call of DutyModern Warfare 4 closely — see our earlier coverage on Call of Duty.

Activision opens beta testing to the public with campaign and Warzone updates

The beta runs across five major platforms: PC via Steam, Xbox, and Battle.net, as well as Xbox Series X|S, PlayStation 5, and the Nintendo Switch 2. The Nintendo Switch 2 is included in the open beta, marking the first time this console participates in the testing phase. The game is scheduled for a global release on October 23, 2026, making this beta the earliest opportunity to engage with the new content.

During the first weekend of early access, players will encounter the campaign mission titled Entrenched. This is the first time a single-player mission is available for testing in the beta cycle. The multiplayer component features six specific maps: Rooftops, Silkworm, Transit 213, Cachette, Lotus, and Kill Block. The beta features six multiplayer maps: Rooftops, Silkworm, Transit 213, Cachette, Lotus, and Kill Block.

The second weekend of the beta, running from August 28 to September 1, introduces the Warzone map Zodiac. The map Zodiac is introduced during the second weekend as a new Warzone Resurgence map. Asha Sharma highlighted these updates in a recent post, stating, "New exclusive single player campaign mission for COD MW4 Beta drops next week. Weekend 2 brings Zodiac, a new warzone resurgence map. Let's go." This confirms the staggered rollout of campaign and Warzone content.

The beta serves as the primary testing ground for the upcoming October release. Players can expect to see the Entrenched mission during the first few days and the Zodiac map during the final days of the testing window. The game is available on PC, Xbox Series X|S, PlayStation 5, and the Nintendo Switch 2. The beta runs from August 21 to September 1, 2026, with early access starting on August 21.