Some specific online games might be rated "AO" (stands for Grownup Only), pinpointing game titles that have articles suited to only Older people more than the age of 18. Also, online game titles must also have an ESRB discover that warns that any "online interactions aren't rated via the ESRB". https://eskortbayan.net/the-role-of-feedback-loops-in-addictive-game-design/