Call of Duty: Modern Warfare 4 launches to 142,000 Steam peak
Activision's shooter hit an 88 percent positive review rating on Steam and brought back the DMZ extraction mode at launch.
Activision released Call of Duty: Modern Warfare 4 on October 23, 2026, and the game drew a peak of about 142,000 concurrent players on Steam within its first day, according to Automaton Media. The figure covers the combined Call of Duty Steam app, which also hosts Call of Duty: Warzone.
Steam user reviews stood at 88 percent positive from roughly 6,000 reviews, giving the game a "Very Positive" rating. Before early access opened, the same Steam app had peaked at about 27,000 concurrent players on October 15, 2026.
The game is available on PC through Steam, the Microsoft Store and Battle.net, as well as on Xbox Series X|S, PS5 and Nintendo Switch 2. Pre-order customers got into the campaign early from October 17, 2026, and into DMZ from October 21, 2026.
What ships at launch
Modern Warfare 4 includes a campaign, multiplayer with 20 maps and 33 weapons at launch, and the returning DMZ extraction mode. The campaign follows a young South Korean soldier as protagonist, with Captain Price returning to the Modern Warfare series.
Previous entries in the series set the pace: Call of Duty: Modern Warfare III arrived in November 2023, and DMZ first appeared in Call of Duty: Modern Warfare II.
Quick answers
When did Call of Duty: Modern Warfare 4 come out?
Activision released it on October 23, 2026.
What platforms is Modern Warfare 4 available on?
PC via Steam, the Microsoft Store and Battle.net, Xbox Series X|S, PS5 and Nintendo Switch 2.
How is Modern Warfare 4 reviewing on Steam?
It holds an 88 percent positive rating from about 6,000 user reviews, marked "Very Positive".