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Tracking websiteSteamDB.infopicked up a record number of players joining Call of Duty on Sunday afternoon.

Twitter account@CharlieInteloriginally reported the record-breaking player count.

Call of Duty: Modern Warfare 3 and Warzone Season 3.

Rebirth Island returned to Call of Duty: Warzone in Season 3.

SteamDB does not take into consideration console player counts, either.

The most notable change was the return of the fan-favorite map Rebirth Island.

Rebirth Island was originally available in the classic version of Call of Duty: Warzone.

Call of Duty: Modern Warfare 3 and Warzone Season 3.

Rebirth Island returned to Call of Duty: Warzone in Season 3.

It was added as a second map option with a twist.

was added to the game on April 6, after previously being made available onWarzone Mobile.

During the free trial weekend, TeamRICOCHET reported that 27,000 accounts were banned for cheating software.

Call of Duty: Modern Warfare…

Call of Duty Modern Warfare…

Call of Duty Modern Warfare…

Call of Duty: Modern Warfare…

Call of Duty: Modern Warfare…

Call of Duty: Warzone returns to its roots with Verdansk map for Season 3.

Call of Duty: Warzone returns to its roots with Verdansk map for Season 3.

Call of Duty: Black Ops 6 and Warzone Integration begins in Season 1.

Call of Duty: Black Ops 6 Season 3 Intel and Screenshots.

Call of Duty: Black Ops 6 Season 2 screenshots and teasers.

Call of Duty: Black Ops 6 Season 2 screenshots and teasers.

Marathon gameplay reveal

Promotional screenshot of characters from Zenless Zone Zero

MSI Claw 8 AI+ propped up next to an ROG Ally X on a table.

The Crew

Promotional screenshot of a superpowered football kick in Inazuma Eleven: Victory Road

U.S. President Donald Trump speaks during the United Nations General Assembly seen on a laptop computer in Hastings on the Hudson, New York, U.S., on Tuesday, Sept. 22. 2020.

Lenovo IdeaPad 5x 2-in-1 deal

U.S. President Donald Trump holds up a chart while speaking during a “Make America Wealthy Again” trade announcement event in the Rose Garden at the White House on April 2, 2025 in Washington, DC.