What are quiz games all about?Quiz games are free online puzzle and trivia challenges through interesting questions, word searches, picture riddles, and logic puzzles. OP Game offers a wide selection of quiz games covering topics such as general knowledge, mathematics, vocabulary, and logic. You can play without spending anything, while picking up new knowledge, keeping your brain active, and challenging friends. Website: https://op. game/quiz. Phone: . Address: 100 Araman DR, Toronto.