Game designer S. John Ross had a flash of insight when he went to the movies this past weekend:

I noticed that one movie had a PG-13 rating for including “brief teen partying.” Another threatened both “crude humor” and “thematic elements.” Someone needs to collect MPAA jargon into a d100 table to be used as a vague-but-evocative GMing aid.

Here’s the whole list as it stands right now:

1. Crude Humor
2. Futuristic Violence
3. Brief Teen Partying
4. Thematic Elements
5. Brief Language
6. Comic Nudity
7. Strong sexual content including dialogue
8. Language
9. Strong language
10. Brief language
11. Violent images
12. Racy innuendoes
13. Non-stop action violence
14. Brooding, dark violence
15. Intense depiction of very bad weather
16. Intense depiction of urban disaster and related injuries
17. Brief teen partying
18. Crude humor
19. Thematic elements
20. Sci-fi action and brief historical smoking
21. Momentary sensuality
22. Kids’ rude language and pranks
23. Rear nudity
24. Slime and gore
25. A mild birds and bees discussion
26. Mild peril
27. Some menace
28. Ribald humor
29. Off-color humor
30. Macabre humor
31. Jungle adventure terror
32. Satanic war violence
33. Unsuitable teen behavior
34. An opening accident scene
35. A beating
36. Reckless behavior
37. Kids in jeopardy
38. Mock terror
39. A brief crude reference
40. A crude comment
41. Quirky situations
42. A humorous drug related scene
43. Irreverent humor throughout
44. Momentary sensuality
45. A poignant death
46. A mother’s sociopathic behavior
47. Intense fantasy action
48. Intense sequences of bat attacks
49. Graphic heroin use and resulting depravity
50. Mature theme
51. A smoking caterpillar
52. A wide range of perversions in explicit detail
53. A murder and other action sequences in an adventure setting
54. Grisly afterviews of horrific and bizarre killings
55. A bawdy puppet show

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S. John Ross is the designer of Encounter Critical and many other games. You can find out more about his Risus Rpg here. If you’re heavy into discussing role-playing games, you won”t want to miss his Google+ feed.