To advance on the main track, you have to name at least one of the right answers. Half of those answers are correct, and half are wrong. Each card in Half-Truth has a question or category at the top with six possible answers below. Designed by Jeopardy! champ Ken Jennings and Magic: the Gathering creator Richard Garfield, Half-Truth manages to do two difficult things well: It’s a party game that doesn’t insult your intelligence, and a trivia game that doesn’t overestimate it.