What about old school questions? Just like the regualr purity test it takes time to get all your points. So here are a few:
1) have you fought a flumph
2) have you ever played elf as a class and not as a race
3) have you ever used a spelljamming helm
4) have you done #3 while battling hippo-men with guns
5) do you know the name of the hippomen in 4
6) do you refer to versions of the game with titles like "red box" instead of "edition?"
7) have you ever had a thac0
8) have you ever had an attack matrix
9) can you name more than three type of saves (saving throw types)
10) can you name more archaic weapon types such as types of swords and axes than you can name US presidents
11) do you own miniatures
12) do you own more than one of the same specific miniature
13) do you paint miniatures
14) do you name your miniatures
15) do you store miniatures in a display case
16) do you store miniatures in a diorama or in a battle scene
17) do you know what the 3d6-straight method of ability scoring is
18) have you used #17
19) have you ever had to check your abilities to see if you qualify for a class
20) have you reached your racial level limit
21) have you been able to make a character entirely without books inlcuding purchasing all equipment and spell allocation
22) has your character ever had a kit
23) have you ever played an elf who weilded two of the same kind of swords
24) was the elf in #23 a drow
25) have you argued on how to pronounce drow or other fantasy race or creature names
26) were you right in #25?
27) are you in the RPGA
28) have you ever played a Living adventure (Living City for example)
29) does your character in #28 carry a binder to organize the slew of magic items he owns
30) have you ever dressed as your character
31) have you ever used a crappy accent for your character's "roleplaying" voice
32) was the accent in #31 a sottish voice for a dwarf
33) have you ever killed another adventuring party member
34) did you ever do #33 just so you could have "his stuff"
35) after cleaning out a dungeon did you ever decide to keep it as a base of operations
36) have you ever taken items from a dungeon or other adventuring place soley to decorate your home
37) have you ever started a conversation with something akin to "my character is so cool because......."
38) have you ever done math just to see what weapon, PrC, Kit, ability allocation, etc... would be the absolutly statistical best
39) do you know the difference between a mace, morning star, and flail
40) have you ever considered WotC/TSR wrong in their thoughts on #39