3-: Content may be suitable for children under 3.
ESRB Equivalent: EC (Early childhood)
MPAA Equivalent: N/A

6+: Content may be suitable for children 6 and up.
ESRB Equivalent: E (Everyone)
MPAA Equivalent: G (General)

10+: Content may be suitable for children 10 and up.
ESRB Equivalent: E+10 (Everyone +10)
MPAA Equvalent: PG (Parental Guidance Advised)

13+: Content may be suitable for children over 13.
ESRB Equivalent: T (Teen)
MPAA Equivalent: PG13 (Parental guidance advised for children under 13)