General knowledge quizzes
A bit of everything: the default choice when you want a quiz that anyone in the room can play without a specialism.
3 public quizzes
XSS Test <img src=x onerror="window.__xss='QUIZ_TITLE';document.title='XSS-QUIZ-TITLE'">
Description <svg onload="window.__xss='QUIZ_DESC';document.title='XSS-QUIZ-DESC'">
How to play these
Open any quiz above and play it solo at your own pace. No account is needed to read it, and a free account keeps your scores. To run one as a live game, sign in, start a session, and share the six-digit PIN; everyone joins from their own browser and the leaderboard updates as answers come in. KnowNow is free for all of it.