A Google a Day, launched a year ago, is a trivia game where searching for the answer on Google is not only allowed but encouraged. Since, its launch, millions of people have played and learned new trivia facts along with new ways to use Google search, posted Dan Russell, User Experience Researcher.
Based on users feedback, Google today, introduced a new version of "A Google a Day on Google+," that let you challenge your friends to a test of trivia and search speed and figure out who's the expert at discovering little known facts about literature, history, or science.
The clues are currently only in English, but anyone can attempt to solve the puzzles.
For those new, "A Google a Day is a daily puzzle that can be solved using your creativity and clever search skills on Google. Questions will be posted every day on agoogleaday.com and printed on weekdays above the New York Times crossword puzzle.
Google reveal each puzzle's answer the next day in the Times and on agoogleaday.com, along with the search tips and features used to find it. Just like traditional crossword puzzles, the difficulty of the questions increases over the course of the week, so by Thursday or Friday, even the most seasoned searcher may be stumped.
To prevent spoilers from appearing as you search the web, look for the answers on agoogleaday.com instead of regular google.com--Google made a special version of Google that excludes real-time updates and other things that are likely to include spoilers as people post the answers to the puzzle online."
Here is an example screen of A Google a Day on Google+:
Start playing A Google a Day now of the game (you'll be prompted to log into your Google+ account) or look for A Google a Day in the Games section of Google+.