Find quizzes for best friends to take together on sites such as Gurl.com, PlayBuzz.com, GoToQuiz.com, Quizony.com and AllTheTests.com, as of 2015. Many of these sites feature multiple quizzes to test the strength of the bond between friends, along with quizzes to test how well two friends know each other.
PlayBuzz.com has a quiz specifically designed to test how well one friend knows and understands the other. All the questions contain only "Yes" or "No" as an answer, which means that it is up to both parties to judge the appropriate answer for each question. For example, one question asks if one friend is able to tell the eye color of the other without looking. Similarly, AllTheTests.com offers a quiz to determine how strong of a friendship two friends have using a similar set of questions, though the site does provide multiple choice answers.
One of the best friend quizzes on Gurl.com allows a user to find out if the person she considers to be her best friend is really worthy of the title. The questions ask the person taking the test how she would react in various situations with and without her friend, and asks how the friend would react under various circumstances. Though the quiz asks the question to one specific friend, multiple friends can take it together by combining their answers.