463 / | HD | AMUSEMENT DEVICES: GAMES |
1 | DF | INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) {15} |
9 | .~ In a game requiring strategy or problem solving by a participant (e.g., problem eliciting response, puzzle, etc.) {3} | |
10 | DF | .~.~> With chance element or event (e.g., backgammon, Scrabble, etc.) {1} |
14 | DF | .~.~> Chess- or checker-type |
15 | DF | .~.~> Geometric maze |