Open Quiz is free game that you can play on Multiple Choice or True/False game modes. We have too many categories for both game mode; General Knowledge , Entertainment: Books , Entertainment: Film , Entertainment: Music , Entertainment: Musicals & Theatres , Entertainment: Television , Entertainment: Video Games , Entertainment: Board Games , Science & Nature , Science: Computers , Science: Mathematics , Mythology , Sports , Geography , History , Politics , Art , Celebrities , Animals , Vehicles , Entertainment: Comics , Science: Gadgets , Entertainment: Japanese Anime & Manga , Entertainment: Cartoon & Animations We do some calc for you! We have good stats so you can see your total true/false for each category. Our application use Open Trivia DB API Open Trivia DB is created and maintained by the good folks at PIXELTAIL GAMES LLC.