Test your knowledge.
Climb the leaderboard.
Pick a category, race the clock, and unlock harder levels as you go. Play instantly as a guest, or log in to keep your streak, trophies and rank.
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💀 Too Hard? Prove It.
Real player data — these are the quizzes people struggle with the most.
Bet you can't 4/10 this.
Geography
Most players give up here.
Science
Go on. We dare you.
Sports
This one's brutal.
History
Ego check incoming.
Bollywood Quiz
Not for the faint-hearted.
General Knowledge
How it works
Pick a category
Choose from science, sports, history, tech, movies and more.
Answer & beat the clock
Ten questions per round, with a timer that keeps you sharp.
Unlock levels & trophies
Pass a level to open the next one, earn achievements as you climb.
Oxygen Production
Over 50% of the world's oxygen is produced not by land-based forests, but by marine organisms like phytoplankton and kelp drifting in the oceans.
Categories
Choose a category below to start your quiz journey
🏆 Conquer the Tiers
Every category climbs through the same three tiers — clear Hard to unlock the "Legendary Player" badge
Easy
Levels 1–6
Warm up and learn the ropes
Medium
Levels 7–14
Trickier questions, bigger scores
Hard
Level 15+
🛡️ Unlocks the "Hard Core" badge at 5,000 pts
Legendary
Level 15 reached
💎 Unlocks the "Legendary Player" badge
🏅 Your Badges
🪙 0 points so far · play as a guest, no login needed to start earning
🧠 Brain Games
Quick mini-games to sharpen your memory, math and pattern recognition
🎉 More Fun
Quick, shareable quizzes for whenever you need a break
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