Mario Tennis Aces (Nintendo Switch) - FREE Online Tournament Mode Available Friday 6/1 6 p.m. PT – Sunday, 6/3 11:59 p.m. PT
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“This free online demo event is open to anyone with a Nintendo Switch™ system and a persistent internet connection. Play as many times as you like during the event—you may be able to climb the in-game bracket, try out a variety of different characters, and receive a special outfit for Mario that can be used in the full version of the game.”
https://www.nintendo.com/whatsnew/detail/mario-tennis-aces-demo-event-and-pre-purchase-offer
