The Entertainment Software Rating Board rating system consists of eC, E, E10+, T, M, and AO.
- E means "Everyone", suitable for all ages. Replaced the K-A "Kids to Adults" rating in 1998.
- T means "Teen", the content is suitable for ages 13 and older. In the US and Canada, T-rated games may be sold to anyone.
- M means "Mature", the content is suitable for ages 17 and older. In the US, storefronts may refuse to sell M-rated video games to a person under 17 unless a parent or guardian is present. In Canada, under provincial laws, it is illegal to supply M-rated games to a person under the age of 17 years.
- AO means "Adults Only". Storefronts may refuse to sell AO-rated video games to a person under 18. Currently, 29 games have been released with the rating. The rating is given to games with large amounts of sexually explicit material or extreme violence or games that contain gambling with real currency. Nintendo, Sony and Microsoft do not allow AO-rated games on their consoles.
- RP means "Rating Pending", that is only used in advertising and the content has not yet been rated.
- E10+ means "Everyone 10+", the content is suitable for ages 10 and older.
- eC means "Early Childhood", suitable and/or intended for young children. No content descriptors are allowed at this age rating. No longer used as of 2018 due to few titles using this, and all titles with this rating are replaced with the E rating.
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