Yu-Gi-Oh! Duel Generations will no longer be available to play online after 30th September 2020.
If you have any questions about the game, please go to:
https://www.konami.com/games/us/en/pages/support/
You can continue to play the Campaign and use offline features in the game without an internet connection. If you are using a registered account while offline or in “airplane mode” then you will have an opportunity to back-up your progress to the game servers the next time you are connected to the internet.