463 / | HD | AMUSEMENT DEVICES: GAMES |
1 | DF | INCLUDING MEANS FOR PROCESSING ELECTRONIC DATA (E.G., COMPUTER/VIDEO GAME, ETC.) {15} |
9 | DF | .~ In a game requiring strategy or problem solving by a participant (e.g., problem eliciting response, puzzle, etc.) {3} |
15 | .~.~ Geometric maze |