I'm happy to have a look at this for you, but I will need some more information. Roughly when did this occur? Is there any chance of you giving us a call when you have access to the device so we can work through some troubleshooting steps to find out what is happening? Alternatively, you can schedule a call so that one of our customer service representatives will call you at a convenient time.
I'm having a similar issue. My child is able to continue playing a Steam store game 'Player Unknown Battleground'. I have blocked the website url for study time, but he is still able to access. Would also like to block his access to Discord chat for all states other than 'Play'.
Thanks for your query. Discord is able to be controlled by using the "Social" category in the "Cyber Safety" section. I have got the team looking at Player Unknown Battleground, and hope to have some more information on it soon. There is a possibility that it will keep an open connection so it will not automatically close when the access period changes, but once the current game has been completed, it should not be able to connect for a new one. I will let you know when I have more information.