✳ INSIGHTLAB
INSIGHT LAB · FREE VISUAL PUZZLES · EN / PL / DE / ES

18 free brain puzzles to try on your phone

Quick illustrated puzzles with gears, shapes and patterns. No signup, no timer, no payment.

START ALL 18 FREE PUZZLES ↗Explore the 36-question challenge (£2)
18 ⚙ ◉ ▥  ·  0 registration  ·  £0 free quiz

What is included?

You'll work through 18 illustrated questions about turning gears, spotting matching shapes and finding the missing piece in a pattern. Your score and explanations are free.

How does it work?

  1. Choose your language (English, Polish, German or Spanish).
  2. Answer the 18 picture-based questions at your own pace.
  3. See your score and explanations, then share the free quiz if you like.

⚙ A practice puzzle

If gear A turns clockwise and directly touches gear B, which direction does B turn?

Answer: counterclockwise. Two externally meshed gears rotate in opposite directions.

START ALL 18 FREE PUZZLES ↗
36 QUESTIONS · 4 LANGUAGES · ONE-TIME £2+

Want a longer challenge?

Our separate 36-question Cognitive Challenge covers reasoning, patterns, attention and problem solving. It costs at least £2 once through Ko-fi Shop; you can try the free quiz without buying anything.

Explore the 36-question challenge (£2) ↗

Frequently asked questions

Is this an IQ test?

No. It is an educational puzzle game, not a standardized or clinically validated intelligence test.

Do I need to pay for the 18 puzzles?

No. The full visual quiz and its explanations are free.

Can I use my phone?

Yes. The puzzles are designed for mobile browsers.