The Computer Entertainment Rating Organization (CERO) is the Japanese equivelent of the ESRB. It's ratings are: A (All Ages) B (12+) C (15+) D (17+) Z (18+) As a result of Japanese cultural differences, many games rated A by CERO are rated much higher by the ESRB. Image:Stub.png This article has been deemed a stub. You can help Wii Wiki by [ expanding it].