: One player is chosen as the "H.D.P." for the round. They draw a black card , which features a question or a fill-in-the-blank sentence, and read it aloud.
: The other players choose the white card from their hand that provides the funniest or most outrageous response and pass it face-down to the judge.
If you're working on a (board game rules, RPG manual, card game guide), a "solid feature" could mean a key, reliable function that improves the PDF's quality, usability, or print readiness.
If we assume "Juego" refers to a game or a type of game, a PDF (Portable Document Format) related to "HDP Juego" could be a document that outlines rules, strategies, or information about a specific game with a handicap system.