Larian Studios teased "Baldur's Gate III" in the week prior to E3 2019. They formally revealed it during Google's presentation on the Stadia platform just ahead of E3, confirming its release for both Microsoft Windows and Stadia. The tabletop adventure "" was published by Wizards of the Coast in September 2019, and has been described as a "prequel" to "Baldur's Gate III". The "Descent into Avernus" adventure takes place roughly 100 years after the events of "Baldur's Gate II", and the story of "Baldur's Gate III" takes place immediately following the events of the "Descent into Avernus" tabletop module. On 5 October 2020, Larian Studios announced the game would be released for macOS in addition to Windows and Stadia.