Mattel is launching the UNO Championship Series, a competitive tournament with a $50,000 grand prize. The championship is scheduled for November 11 and will be streamed live on Twitch. To qualify, players can participate in in-person events in Orlando, Chicago, and Los Angeles, or digitally through the UNO mobile app.

The tournament offers a chance to compete for the title of UNO Championship Series champion. Players can test their skills and potentially go from casual players to professional UNO players. Further details on the tournament and qualification process are available from the source.