The 'Fortnite' creator has also been involved in a legal battle with Apple, but it largely lost a trial last year over whether Apple's payment rules for apps were anticompetitive. Microsoft, as well as Epic Games and scores of other firms, have criticized Apple's store practices, which require developers to pay commissions of up to 30% for purchases made in the store. The service is available in 26 markets, including the United States. Since launching in 2020, more than 10 million people around the world have streamed games through Xbox Cloud Gaming. 'It's an important step to add a Free-to-Play title to the cloud gaming catalog as we continue our cloud journey,' Microsoft said in a blog post. 'Fortnite' is the first free-to-play title to join the Xbox Cloud Gaming service. The company earlier this year unveiled a $68.7 billion takeover of 'Call of Duty' maker Activision Blizzard. The move is likely to help Microsoft attract more casual gamers as the software giant doubles down on efforts to bolster its presence in the videogaming market and take on rival Sony Corp.