Challenge Your Friends and Renew Your Ruby Knowledge with Our Games

Challenge Your Friends and Renew Your Ruby Knowledge with Our GamesThe goal of the quiz is to play short games and renew your knowledge in a quick and easy way. In addition to playing individually, after you finish a game, you can challenge some of your friends to play the same set of questions. By using your friends' email addresses, you can invite them to sign up on the site and take the quiz. At the end, your friend will receive an email invitation to accept or reject the challenge and play the game individually.