i know some people have had issues with this, most i heard of were surrounding me infact so i thought id suggest the most responceable answer to it to avoid confusion in the future.
Game Classifications! - just like the movies
Rating Labels
There are different levels of ratings, including:
G LABEL
Suitable for a general public
PG LABEL
This means that there may be something in the larp, such as violence or sexual themes, which may be offensive to some people. It is advisable to read all the info on the larp before deciding whether you play.
M LABEL
Suitable (but not restricted to) mature audiences 16 years and over. This means the larp contains material, such as violence or sexual content, that could offend some people. It is advisable to read all the info on the larp before deciding whether you play.
Another idea, classifying according to age or purpose, to restrict a larp’s availability to particular people. The following classifications are common:
R13
Restricted to players of 13 years or over.
R15
Restricted to players of 15 years or over.
R16
Restricted to players of 16 years or over.
R18
Restricted to players of 18 years or over.
R
a special restriction on the larp. The restriction should be described in a descriptive note, for example, restricted to persons 16 years or over unless with permission from a parent or guardian, or R13 unless accompanyed by a parent/guardian