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A tweet posted on the official Call of Duty Twitter account states: “Thank you: 5 days, over 25 million players.”
The free-to-play sequel, which launched on November 16, has seemingly been a huge success in terms of establishing a large player base in a short time.
Call of Duty: Warzone 2.0 - launch trailer
However, it remains to be seen if it will continue this momentum and overtake the previous milestone set by the first Warzone.
One of the factors potentially contributing to Warzone 2’s strong start is Activision’s decision to temporarily deactive the original Warzone for 12 days, starting around two hours before the sequel launched.
“Once the Warzone 2 ecosystem is fully stable, and after a small development break for Thanksgiving for the developers who observe this US holiday, Warzone is planned to be relaunched as Call of Duty: Warzone Caldera as a separate experience,” it said in a statement at the time.
Warzone Caldera is expected to re-launch on November 28 at 10am PT / 1pm ET / 6pm GMT. Until then, Warzone fans are only able to play the sequel.
Microsoft has reportedly offered Sony a deal that would see the Call of Duty franchise remain on PlayStation for a decade should its proposed $68.7 billion acquisition of Activision Blizzard gain approval.
The future of the Call of Duty series as a multiplatform product is one of the key areas being examined by competition regulators scrutinising the deal.