Episode XOXO is part of Apple Arcade.
To cancel Episode XOXO, you must cancel your Apple Arcade subscription.
Here is a helpful tutorial from Apple on how to cancel a subscription:
For any issues with cancellations, achievements, and leaderboards, please contact Apple support here:
- Under Apps & Services, tap on 'Apple Arcade'.
- If you do not see it, you may need to tap 'more' to expand the list.