TOKYO - Japan's Nintendo said on Wednesday it had sold more than 3.5 million Switch 2 units in the first four days after its launch, making the console the company's fastest-selling gaming device to date.

Last month, the Kyoto-based company forecast Switch 2 sales would reach 15 million during the current financial year ending next March.

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"Fans around the world are showing their enthusiasm for Nintendo Switch 2 as an upgraded way to play at home and on the go," Nintendo of America President and Chief Operating Officer Doug Bowser said in a statement.

Nintendo has sold 152 million Switch devices since it was first launched in 2017, creating a games juggernaut with titles including The Legend of Zelda and COVID-19 pandemic breakout hit Animal Crossing: New Horizons.

The more powerful second-generation version, which went on sale on June 5, bears many similarities with its predecessor but offers a larger screen and improved graphics. It is sold with titles including Mario Kart World.