← All games🧩 Logic
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Pattern Logic
Find the missing number in the series
Number series with a hidden rule (+3, ×2, squares, Fibonacci…). Crack the rule and pick the missing number before time runs out.
How to play
- 1Study the number series and find its hidden rule.
- 2Pick the missing number from 4 options.
- 3Harder rules (×, squares, Fibonacci) earn more points.
- 4Skipping costs nothing but wastes the clock.
Playing as Guest — change name in the top bar
🤖 AI Difficulty
Current level: medium
AI serves arithmetic rules first, then geometric, then squares/primes — promoting you a tier after 2 consecutive correct answers.
⏱️ Session
About 90 seconds. Your score, accuracy and reaction time are saved as data for the AI Coach.