Knowster

Knowster is the ultimate real-time quiz duel — challenge players one-on-one or team up with your friends and take on the world together!

LIVE PvP QUIZ BATTLES Face real players in lightning-fast 1v1 duels. Both answer simultaneously under time pressure — whoever is faster and more accurate wins!

PLAY WITH FRIENDS AGAINST THE WORLD Create a clan with your friends and compete together against other groups. Clan vs. Clan — who is the smartest team? It's not just about you, it's about your whole crew!

LEADERBOARD & ELO SYSTEM Climb the global solo rankings — or lead your clan to the top of the clan leaderboard. Show the world who the true quiz champion is!

NO LANGUAGE DISADVANTAGE All questions available in German, English, French, Spanish and Arabic. No native speaker advantage.

14,000+ QUESTIONS Entertainment | Sports | Science | History | Technology | General Knowledge

AVATAR SHOP 25+ unique avatars from Common to Legendary. Earn coins through victories — and unlock legends like Hercules!

FREE TO PLAY Completely free. Premium avatars optional.

Ready to prove yourself? Download Knowster — solo or with your clan!