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Intelligence Score
128TIS
Estimated
Percentile
🎯 97th
vs population
Accuracy
84%
all quizzes
Today's Challenge
Daily Brain Teaser — One puzzle. Global leaderboard.
🔥 0-day streak
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My Certificates
View, download, and share your earned TestEarth IQ certificates.
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Take a Test
Full IQ-style challenges across logic, patterns, numbers, verbal, spatial, and lateral thinking.
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Practice Puzzles
Focused skill-building with targeted brain teasers.
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Lessons & Theory
90 structured lessons across every cognitive skill.
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Challenge a Friend
Build a custom quiz and send the link to anyone.
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🏅 Your Certificates
Category Performance
💡 Training Tips
⏱ Consistency beats intensity. 10 minutes daily outperforms 90-minute weekly sessions.
🏅 Earn certificates. Complete assessments to earn official IQ certificates you can download and share.
⚔️ Challenge friends. Competitive play increases focus and reveals blind spots faster.