![DO NOT delete your Mario Tennis Aces demo save file before you've launched the final game to receive the cosmetics reward for playing the demo. : r/NintendoSwitch DO NOT delete your Mario Tennis Aces demo save file before you've launched the final game to receive the cosmetics reward for playing the demo. : r/NintendoSwitch](https://i.imgur.com/IcwWFfn.jpg)
DO NOT delete your Mario Tennis Aces demo save file before you've launched the final game to receive the cosmetics reward for playing the demo. : r/NintendoSwitch
![Nintendo of America on Twitter: "Raise your rackets and get ready for the #MarioTennis Aces North American Open February 2021 tournament! Out-volley your opponents and you can win up to 4,000 My Nintendo of America on Twitter: "Raise your rackets and get ready for the #MarioTennis Aces North American Open February 2021 tournament! Out-volley your opponents and you can win up to 4,000 My](https://pbs.twimg.com/media/EtuC6yhXUAEmrie.jpg:large)
Nintendo of America on Twitter: "Raise your rackets and get ready for the #MarioTennis Aces North American Open February 2021 tournament! Out-volley your opponents and you can win up to 4,000 My
![Mario Tennis Aces Online Tournament Demo Event and where to find it - Demo starts on June 1st - YouTube Mario Tennis Aces Online Tournament Demo Event and where to find it - Demo starts on June 1st - YouTube](https://i.ytimg.com/vi/f087f1n1OM8/maxresdefault.jpg)