The weekly challenge
One attempt. Twenty questions. A place on the leaderboard earned through what you know.
Your knowledge is the advantage. Pick a mode and make it count.
One attempt. Twenty questions. A place on the leaderboard earned through what you know.
Warm up with a separate question set. Build confidence, make mistakes and try again.
A reviewed question bank with a balanced mix of easy, medium and difficult questions.
The leading scores from the current published standings.
The administrator will publish the next competition and its schedule here.
Know the moves before the timer starts.
Warm up freely in practice, or sign in with Google to enter this week’s ranked challenge.
Read the question, watch the timer and lock your best answer. Each submission moves you forward.
See your score and get guidance for your next run. Ranked attempts can earn a place on the board.