- Top
- 4 · Society, Civilization, Culture
- 43 · recreation, amusement
- 43C · sports, games and physical performances
- 43C5 · games of calculation and chance, e.g.: card games, gambling, puzzles, etc.
- 43C59 · puzzle, riddle, conundrum, enigma
43C59(+0) · puzzle, riddle, conundrum, enigma (+ variant)