Brain quizzes & self-tests

Free Brain Quizzes & Self-Tests

Take 55 quick brain quizzes in your browser - no sign-up. Find out how good your memory is, how sharp your brain feels, your thinking style and more. Fun, non-medical, scored against your own past.

Brain Power Quizzes

19 quizzes See all

How sharp, quick, and switched-on is your brain today? Light, shareable self-checks.

Brain Power quiz

How Sharp Is Your Brain?

Eight quick questions for a fun read on how sharp and quick your brain feels today. Free, in your browser, no sign-up, shareable.

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Brain Power quiz

Logical Reasoning

Eight syllogisms and if-then puzzles with right-or-wrong answers and instant scoring. Test your logical reasoning, free, no sign-up.

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Brain Power quiz

Numerical Reasoning

Eight number puzzles - sequences, ratios, percentages, and word problems - with instant scoring. Test your numerical reasoning, free, no sign-up.

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Brain Power quiz

Abstract Reasoning

Eight letter and symbol pattern puzzles with instant scoring. Find what completes the pattern. Test your abstract reasoning, free, no sign-up.

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Brain Power quiz

Spatial Reasoning

Eight space and shape puzzles - cube edges, clock angles, mirror letters - with instant scoring. Test your spatial reasoning, free, no sign-up.

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Brain Power quiz

Verbal Reasoning

Eight word puzzles - synonyms, antonyms, odd-one-out, and sentence logic - with instant scoring. Test your verbal reasoning, free, no sign-up.

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Brain Power quiz

Pattern Recognition

Eight number and letter pattern puzzles with instant scoring. Continue the sequence. Test your pattern recognition, free, no sign-up.

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Brain Power quiz

Number Sequences

Eight number sequences with instant scoring. Find the next or missing number. Test your sequence skills, free, no sign-up.

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Brain Power quiz

Word Analogies

Eight A:B :: C:? word analogies with instant scoring. Complete the relationship. Test your verbal logic, free, no sign-up.

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Brain Power quiz

Matrix Reasoning

Eight 3x3 grid puzzles described in text, with instant scoring. Find the missing entry. Test your matrix reasoning, free, no sign-up.

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Brain Power quiz

Deductive Reasoning

Eight premise puzzles with instant scoring. From the given facts, what must be true? Test your deductive reasoning, free, no sign-up.

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Brain Power quiz

Inductive Reasoning

Eight rule-finding puzzles with instant scoring. From the examples, infer the rule or next case. Test your inductive reasoning, free, no sign-up.

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Brain Power quiz

Mental Math IQ

Eight quick arithmetic and order-of-operations puzzles with instant scoring. Test your mental math, free, no sign-up.

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Brain Power quiz

Vocabulary IQ

Eight word-meaning puzzles with instant scoring. Pick the best synonym or definition. Test your vocabulary, free, no sign-up.

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Brain Power quiz

General Knowledge IQ

Eight science, geography, and history facts with instant scoring. Test your general knowledge, free, no sign-up.

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Brain Power quiz

Fluid Intelligence

Eight novel logic and pattern puzzles with instant scoring - no prior knowledge needed. Test your fluid intelligence, free, no sign-up.

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Brain Power quiz

Critical Thinking

Eight puzzles on spotting flawed arguments, hidden assumptions, and the best inference, with instant scoring. Test your critical thinking, free, no sign-up.

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Brain Power quiz

Quick Estimation

Eight estimation puzzles with instant scoring. Pick the closest answer to a product, sum, or real-world quantity. Free, no sign-up.

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Brain Power quiz

Coding & Decoding

Crack the code: if CAT is 3-1-20, what is DOG? Eight letter-number coding puzzles with instant scoring. Free, in your browser, no sign-up.

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Thinking Style Quizzes

9 quizzes See all

What kind of mind do you have? Left or right brain, your learning and memory style.

Thinking Style quiz

Left Brain or Right Brain?

Are you the logical, list-making type or the creative, go-with-your-gut type? Take this fun, shareable quiz to find out. Free, no sign-up.

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Thinking Style quiz

Your Creativity Type

Are you a Visionary, a Maker, a Storyteller, or a Connector? Find your creativity type in 8 quick questions. Free, no sign-up.

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Thinking Style quiz

What Kind of Learner?

Visual, auditory, reading-writing, or hands-on? Find your learning style in 8 quick questions. A popular idea, just for fun. Free, no sign-up.

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Thinking Style quiz

Problem-Solving Style

Do you plan, experiment, team up, or research your way to a solution? Take this fun 8-question quiz to find your problem-solving style. Free, no sign-up.

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Thinking Style quiz

Logical or Creative?

Do you lead with logic or with imagination? Take this fun 8-question quiz to see which way your mind leans. Free, in your browser, no sign-up.

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Thinking Style quiz

Decision-Making Style

Do you decide with your head, your heart, your gut, or the data? Take this fun 8-question quiz to find out. Free, in your browser, no sign-up.

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Thinking Style quiz

Big-Picture or Detail?

Do you see the forest or the trees? Take this fun 8-question quiz to find whether you're a big-picture or detail thinker. Free, no sign-up.

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Thinking Style quiz

Analytical, Intuitive, or Practical?

Do you analyse, sense, or just get things done? Take this fun 8-question quiz to find your thinking type. Free, in your browser, no sign-up.

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Thinking Style quiz

Your Cognitive Superpower

Memory, focus, speed, logic, or creativity - which one is your standout strength? Take this fun 8-question quiz to find out. Free, no sign-up.

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Brain Teaser Quizzes

15 quizzes See all

Riddles, logic, and tricky questions - can you pass the brain test and prove you are a genius?

Brain Teasers quiz

Are You a Genius?

Eight tricky brain teasers with instant scoring. Can you outsmart the classics and earn the genius title? Free, in your browser, no sign-up.

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Brain Teasers quiz

Classic Riddles

The famous riddles everyone should know, with instant scoring. What gets wetter the more it dries? Free, in your browser, no sign-up.

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Brain Teasers quiz

Lateral Thinking

Think outside the box: eight puzzles where the obvious answer is wrong. Each has one definite solution. Free, in your browser, no sign-up.

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Brain Teasers quiz

Trick Questions

Eight questions designed to lure you to the obvious, wrong answer. Can you resist? Instant scoring. Free, in your browser, no sign-up.

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Brain Teasers quiz

Logic Puzzles

Eight short deduction puzzles you can reason all the way to one answer. Instant scoring. Free, in your browser, no sign-up.

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Brain Teasers quiz

Optical Illusions

How well do you really understand what your eyes do? Eight facts about famous illusions, in text, with instant scoring. Free, no sign-up.

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Brain Teasers quiz

Only 1% Can Solve

Genuinely hard questions with one definite answer each. Can you join the 1% who ace them? Instant scoring. Free, no sign-up.

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Brain Teasers quiz

Math Riddles

Eight number riddles with one correct answer each. Quick, clever, and no calculator needed. Instant scoring. Free, no sign-up.

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Brain Teasers quiz

Word Riddles

Eight wordplay riddles with one clever answer each. What word becomes shorter when you add two letters? Free, no sign-up.

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Brain Teasers quiz

What Comes Next?

Spot the pattern and pick what comes next: numbers, letters, and clever sequences. Instant scoring. Free, in your browser, no sign-up.

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Brain Teasers quiz

Odd One Out

Which one does not belong, and why? Eight grouping puzzles with one clear odd one out. Instant scoring. Free, no sign-up.

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Brain Teasers quiz

Brain Myths: True or False

Do we really use only 10% of our brains? Bust eight common brain myths, true or false, with instant scoring. Free, no sign-up.

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Brain Teasers quiz

Detective Logic

Crack eight whodunit mini-mysteries using only the clues. Each has one deducible answer. Instant scoring. Free, no sign-up.

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Brain Teasers quiz

Hard Brain Trivia

Eight tough facts about the brain and mind, with clear answers and instant scoring. How much do you really know? Free, no sign-up.

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Brain Teasers quiz

Outsmart a 5th Grader

Eight grade-school questions adults often get wrong. Can you outsmart a 5th grader? Instant scoring. Free, in your browser, no sign-up.

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Turn curiosity into a daily habit

Take a short, non-medical quiz and get a simple daily plan that trains memory, focus, and sharpness.

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