Take the challenge
Try Combined Symmetry Span before the questions, then return to short rounds between each set of six. The 18-minute timer runs during questions. The challenge is free.
A challenge for curious players
Patterns. Logic. A different way through the puzzle.
Memory rounds woven through 24 questions.
Combined Symmetry Span + 24 questions · 18-minute question timer · Optional paid report
Memory rounds + 24 questionsTry memory, symmetry, patterns and logic.
Your own approachFollow the clues. Find your rhythm.
Keep exploringOptional two-page thinking profile.
Logic & languageFollow the clues and conditions.
Spatial thinkingExplore shapes from a new angle.
Gameplay logicPlan your next move.
Different challenges. Different approaches.
Spot a pattern, turn an object in your mind, or work through a set of clues. Explore five kinds of reasoning in one challenge.
Look inside the reportYour attempt, seen from different angles.
Illustrative report previewYour next side quest
Start with the challenge. Decide about the report after you finish.
Try Combined Symmetry Span before the questions, then return to short rounds between each set of six. The 18-minute timer runs during questions. The challenge is free.
Your BrainChilling challenge score combines the 24 answers with a small contribution from the memory rounds. It is not an IQ measurement.
Want to go further? Purchase a two-page profile based on your 24-question answers, with a thinking map and practical plan.
One of five thinking styles
You give a good idea a solid reason.
A readable excerpt from the two-page report. Your profile and thinking map will be based on your own quiz answers.
From the sample report
Think of planning a quest route from several clues: every condition helps narrow the possible next move.
Sample only, not your results. The paid PDF also includes career ideas and a next growth move. No IQ score or population ranking.
Keep the discovery going
Turn your 24-question answers into a two-page illustrated thinking profile, with ideas to explore in games and everyday life.
An online cognitive challenge for personal insight, not a clinical assessment or professionally administered IQ test.
Two pages to save, revisit and put into practice.
The memory rounds and 24 questions are free. Choose whether to buy your profile after you finish.
Start the challengeGood questions. Clear answers.
A few things to know before you jump in.
View all FAQsThe Combined Symmetry Span rounds, 24 questions, and BrainChilling challenge score are free. The optional two-page thinking profile is paid, with the price shown before checkout. The readable sample above shows what it includes.
Try two practice sequences and three scored memory sequences before the questions. Three more scored sequences appear after questions 6, 12, and 18. The 18-minute timer runs during questions and pauses for section breaks and memory rounds. It continues if you refresh or leave during a question. When time runs out, saved answers submit automatically and unanswered questions count as incorrect.
You can take the quiz without an account. Progress is saved in your current browser tab, not your account. When you purchase, your answers are attached to your order for report delivery.
The paid two-page PDF is based on your 24-question answers. It includes an illustrated thinking profile, a five-category thinking map, strengths to explore, game-role and career ideas, and a three-move practice plan. The memory rounds contribute to the on-screen challenge score and have separate raw results; they are not included in the PDF. The PDF does not include an IQ score, population ranking or question-by-question answer explanations.
BrainChilling explores patterns, visual reasoning, logic and language, spatial thinking, and gameplay logic. Your challenge score reflects this attempt; it is not a standardized IQ score or a clinical assessment.
Ready, player you?
Bring your curiosity. Take the free quiz, then decide whether to explore your thinking profile.
Start the challenge