Board games, as you can imagine, are usually unsuitable for game show parties. If this is your first game show party, you might consider using party games available at toy and department stores. With just a little effort and imagination, you can adapt the elements of the boxed game into a format that allows for a host, contestants and audience. Of course, if you feel inventive you always can make up your own games, as we do for our parties. The rules should be simple enough to describe in just a few sentences.
Trivia is always a good element of any game.
Remember, however, to keep a well-stocked backlog of trivia questions on hand, as these games usually go through dozens of questions at a time. Many other similar card-style trivia games are on the market as well. Many good books of trivia questions are on the market and can be found in the games department of any good book store. If you're industrious, you can always research and write your own trivia questions. To get that true game show ambience, you should have your questions transcribed onto separate cards, just like the real game show hosts use.