005-AFD-E6E Infinite time
016-BCD-E66 1-minute game
056-BCD-E66 5-minute game
096-BCD-E66 9-minute game
D48-82A-E61 Can re-use shaded letters
30E-A9A-4CA Can select any letter on the board--letters don't have to be next to 
each other

Codes for "Boggle" game option:
dictionary. Press "A" at end of game to accept 1- or 2- letter words
01B-4CA-E66 *1- and 2-letter words allowed
04B-4CA-E66 Min. word length 4 letters
*= Words under 3 letters allowed but won't be recognized by 

Codes for the "Big Boggle" game option:
01B-8FA-F7A *1- to 3-letter words allowed 
05B-8FA-F7A Min. word length 5 letters