Full Name: Computer Entertainment Rating Organization
Country: Japan
Founded: July 2002
From Wikipedia
The Computer Entertainment Rating Organization (特定非営利活動法人コンピュータエンターテインメントレーティング機構, Tokutei Hieiri Katsudō Hōjin Konpyūta Entāteinmento Rētingu Kikō?) (CERO) is the organization that rates video games and Computer software in Japan with levels of rating that informs the customer of the nature of the product and for what age group it is suitable. It was established on July 2002 as a branch of Computer Entertainment Supplier's Association, and became an officially recognized non-profit organization on 2003.
Rating C (ages 15 and up) equivalent to ESRB's T (high end) rating, PEGI's 16 (low end) rating, USK's 16 rating, and OFLC's M (high end) rating. Games rated C include Devil May Cry, Soulcalibur IV, Dissidia: Final Fantasy, Midnight Club: Los Angeles and Destroy All Humans!.