Alternate Video Game Ratings

In 1993 in OTL, Sega introduced the Video Game Rating Council (VRC) to further separate themselves from the kid-friendlier Nintendo with just three categories...

GA - General Audiences (Appropriate for all audiences)

MA-13 - Parental Discretion Advised

MA-17 - Not appropriate for minors

Then a year later, the ESRB rolled out an industry-wide quintet...

EC - Early Childhood

K-A - Kids to Adults

T - Teen

M - Mature

AO - Adults Only

And of course, K-A was changed to E for Everyone in 1998, and then E10 for Everyone ten and up was added in 2005.

How would the video game ratings look in alternate timelines with the controversy over violent content warranting such a rating system to be enacted?
 
My Main Issue is the lack of a Japanese Cero C(15+ plus games, games in japan who either start to be extremly romantic in the sexual way and/or have level of violence close to realistic one, with little to restricted blood during the game) who in europe is PEGI 16, here is either T or M, who have make companies take very glaring localization choices, for me one perfect rating system would be like CERO one.
 
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