Refer to the input text as context and select the correct relationship between 'Civilization VI' and 'Nintendo Switch' from the available options.
Options: publisher, chief executive officer, chairperson, platform

On July 23rd, Firaxis Games released Ethiopia Pack as part of their bimonthly release of six downloadable content packs for the all-new Sid Meier's Civilization VI - New Frontier Pass for PlayStation 4, Xbox One, Nintendo Switch and PC.
platform