Activision has detailed the upcoming testing schedule and content lineup for Call of Duty: Modern Warfare 4. The pre-release testing period is split into two phases, giving players access to a single-player campaign mission alongside traditional multiplayer modes and Warzone content.
Quick Facts
- Early Access Beta: August 21 to August 25, 2026 (Requires pre-order, Discord Nitro, or CDL Champs drops)
- Open Beta: August 28 to September 1, 2026 (Free for all players)
- Platforms: PS5, Xbox Series X|S, Xbox on PC, Steam, Battle.net, and Nintendo Switch 2 (open beta only)
- Full Game Release: October 23, 2026
Early Access Beta Content
The early access phase kicks off following the Call of Duty NEXT presentation. Participants will have access to a single portion of the narrative alongside a robust selection of multiplayer arenas and modes.
Campaign
- Entrenched
Multiplayer Maps
- Rooftops
- Silkworm
- Transit 213
- Cachette
- Lotus
- Kill Block
Multiplayer Modes
- Team Deathmatch
- Domination
- Hardpoint
- Kill Confirmed
- Inflation
- Search & Destroy
- Kill Block 10v10 & 3v3 Gunfight
- Mobility Course
Open Beta Additions
Beginning August 28, the open beta removes entry restrictions and introduces battle royale elements alongside additional multiplayer map variants and modes.
Warzone
- Zodiac (New Resurgence map)
Ground War
- Combat Outpost – Imjin Farmland & Wolves Stadium
Additional Multiplayer Content
The open beta features the same maps and modes as the early access period, plus the Lithium multiplayer map, and two exclusive modes:
- Hijack
- Combat Outpost

