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PiRush

How far can you go?

Pick. Play. Learn.

Choose a category

Free. No sign-up. Just play and have fun.

See this week's top streaks

How to play

  1. 1Pick a categorySix to choose from, from arithmetic to logic.
  2. 2Answer fast20 seconds per question. It gets harder as you go.
  3. 3Keep your streakOne mistake ends it. Post your best on the leaderboard.

Questions and answers

Is PiRush free?
Yes. It is free to play, with no account and nothing to download.
Who is it for?
Anyone who enjoys math: students, parents, teachers and puzzle fans of every age.
How does the leaderboard work?
After a run you can post your streak with a nickname and a flag, even a streak of 0. The weekly board starts again every Monday at 00:00 UTC, and the monthly board on the 1st of every month at 00:00 UTC.
Can I play in other languages?
Yes. Use the language menu at the top of the page. Every question and every explanation is translated.