G - Suitable for players of all ages. No nudity or graphic lenguage
PG-13 - Suitable for players 13 and up. Possible bad language, mild violence, mild graphic language, but no nude pics.
R - Players should be at least 16. Bad language, mild to moderate violence. Possible adult situations. Only topless nudity allowed in pictures. Splash page should include a note to all entering that this as well as graphic language may ocur.
NC-17 (18+) - Players must be 18 or older to play. Bad language, moderate to severe violence, and possible adult situations and content, graphic language, and topless images.
NC-18 (Adult) - Reserved for Hybrid rooms only. Heavy adult content, bad language, severe/graphic violence, tasteful full nudity is allowed, but NO porn