Some explicit online games might be rated "AO" (means Adult Only), figuring out games which have content material suitable for only Older people more than the age of 18. Moreover, online games must also carry an ESRB see that warns that any "online interactions are not rated by the ESRB". https://colab.research.google.com/drive/1U479Fiuh5zMkZjbl0D4rYCIhXAVU4Mq6?hl=no