Modern Warfare 4 beta peaks at 115,145 on Steam — below Modern Warfare 2 and Battlefield 6

The Call of Duty: Modern Warfare 4 beta peaked at 115,145 concurrent Steam players on 21 August 2026, per SteamDB data. That trails Infinity Ward's Modern Warfare 2, which set a franchise record of 168,330 in 2022, and falls well short of this year's Battlefield 6 open beta at 521,079. Steam captures only part of a player base that also spans PlayStation, Xbox and Battle.net.