EveryMemoryBrain Teaser Quizzes
Free brain teaser quizzes in your browser - riddles, logic, and tricky questions with instant scoring. No sign-up; see if you can ace the brain test.
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.
Take quizClassic Riddles
The famous riddles everyone should know, with instant scoring. What gets wetter the more it dries? Free, in your browser, no sign-up.
Take quizLateral 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.
Take quizTrick Questions
Eight questions designed to lure you to the obvious, wrong answer. Can you resist? Instant scoring. Free, in your browser, no sign-up.
Take quizLogic Puzzles
Eight short deduction puzzles you can reason all the way to one answer. Instant scoring. Free, in your browser, no sign-up.
Take quizOptical 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.
Take quizOnly 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.
Take quizMath Riddles
Eight number riddles with one correct answer each. Quick, clever, and no calculator needed. Instant scoring. Free, no sign-up.
Take quizWord Riddles
Eight wordplay riddles with one clever answer each. What word becomes shorter when you add two letters? Free, no sign-up.
Take quizWhat Comes Next?
Spot the pattern and pick what comes next: numbers, letters, and clever sequences. Instant scoring. Free, in your browser, no sign-up.
Take quizOdd One Out
Which one does not belong, and why? Eight grouping puzzles with one clear odd one out. Instant scoring. Free, no sign-up.
Take quizBrain 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.
Take quizDetective Logic
Crack eight whodunit mini-mysteries using only the clues. Each has one deducible answer. Instant scoring. Free, no sign-up.
Take quizHard 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.
Take quizOutsmart 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.
Take quizAbout brain teaser quizzes
Brain teaser quizzes are right-or-wrong challenges: answer the riddles and tricky questions, and get a score plus a fun title at the end.
They are an enjoyable mental workout. As with any puzzle, you mostly get better at the quiz itself - enjoy beating your own score and challenging friends.
New here? Start with Are You a Genius? - every quiz is free, runs in your browser, and takes about a minute. Share your result to challenge a friend, and remember it is just for fun. Browse the full set on the quizzes hub, or warm up with a brain game.
Frequently asked questions
Do brain teasers make you smarter?
Are the quizzes free?
Do I need an account?
Are these quizzes a medical test?
Build a daily brain routine
Take a short, non-medical quiz and get a simple daily plan that trains memory, focus, and sharpness.
Take Memory Quiz