friendlyfamine on 17 August 2018
No, but it will affect Switch sales. The Switch will be heavily overshadowed in that month with all those releases. But Mario Party appeals to a completely different market, so I doubt sales of that game would be affected. People who bought MK8D, 1-2 Switch and Mario Odyssey would most likely chime in on the new Mario Party and not care for those games if they don't own any other platforms.
