★We have mapped more of Mars than of our own ocean floor.★Crows can recognize human faces and hold grudges for years.★Cotton candy was co-invented by a dentist.★The first item ever sold on eBay was a broken laser pointer.★A blue whale's heart is roughly the size of a small car.★The French language has 13 different words for 'kiss'.★A group of owls is called a parliament.★Sloths only poop about once a week.★Snakes can help predict earthquakes.★Humans blink about 15 to 20 times per minute.★The first oranges weren't orange, they were green.★In Switzerland it is illegal to own just one guinea pig.★The inventor of the Pringles can is buried in one.★The moon has moonquakes.★A 'moment' was medieval unit of time equal to 90 seconds.★Vincent van Gogh only sold one painting during his lifetime.★There's a species of jellyfish that is immortal.★Antarctica is the only continent without native reptiles or snakes.★Cashews grow on the outside of a fruit, not inside a shell.★Hippos can't actually swim, they walk along the riverbed.★Bees can recognize individual human faces.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★The average person walks the equivalent of three times around the world in a lifetime.★A newborn panda is smaller than a mouse.★Ostriches can run faster than horses.★Dolphins sleep with one eye open.★The longest hiccuping spree lasted 68 years.★There are more stars in the universe than grains of sand on every beach on Earth.★A day on Jupiter lasts only about 10 hours.★Wombat poop is cube-shaped.★Ancient Egyptians slept on stone pillows.★Starfish can regenerate their lost limbs.★Pigeons can recognize themselves in a mirror.★A bolt of lightning is five times hotter than the surface of the sun.★Cleopatra lived closer in time to the Moon landing than to the building of the Great Pyramid.★Goldfish can recognize human faces.★The first computer mouse was made of wood.★An octopus has nine brains.★Honey never spoils. Archaeologists found 3000-year-old honey in Egyptian tombs that was still edible.★The human brain uses about 20% of the body's total energy.★There are more than 1,000 chemicals in a cup of coffee.★A lion's roar can be heard from up to 5 miles away.★Pineapples take about two years to grow.★The world's oldest known recipe is for beer.★The oldest 'your mom' joke was discovered on a 3,500 year old Babylonian tablet.★Sea cucumbers breathe through their butts.★The fear of long words is ironically called hippopotomonstrosesquippedaliophobia.★Rats laugh when tickled.★Nintendo was founded in 1889 as a playing card company.★A day on Mercury lasts 59 Earth days.★Sea otters hold hands while sleeping so they don't drift apart.★Google processes more than 8.5 billion searches every single day.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Your nose can remember 50,000 different scents.★Humans are the only animals that blush.★Cats can't taste sweetness.★Chewing gum while you chop onions helps keep you from crying.★The Statue of Liberty was originally intended to be a lighthouse.★Bananas are berries, but strawberries are not.★A cloud can weigh more than a million pounds.★A group of ferrets is called a business.★It takes about eight minutes for sunlight to reach Earth.★Cows have regional accents, they moo differently in different areas.★A group of porcupines is called a prickle.★A rhinoceros' horn is made of keratin, the same stuff as hair.★A group of frogs is called an army.★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★More than half of all people alive today have never made a phone call.★The average person spends six months of their life waiting for red lights to turn green.★Banging your head against a wall for one hour burns 150 calories.★Octopuses have three hearts and blue blood.★A snail can have up to 25,000 teeth on its tongue.★The dot over the letter 'i' is called a tittle.★Your stomach gets a new lining every 3 to 4 days, otherwise it would digest itself.★A day on Venus is longer than a year on Venus.★A blue whale's tongue can weigh as much as an elephant.★A mosquito has 47 teeth.★The Hawaiian alphabet has only 13 letters.★The Dutch were once the tallest people in the world.★Your tongue print is as unique as your fingerprint.★There are only two countries in the world whose names start with 'The': The Gambia and The Bahamas.★Peanuts aren't nuts, they are legumes.★The 'new car smell' is made of dozens of chemicals off-gassing from the interior.★A crocodile can't stick its tongue out.★A group of jellyfish is called a smack.★Pigs can't look up at the sky without rolling over.★Voice actors for Mickey and Minnie Mouse got married in real life.★Elephants are the only mammals that can't jump.★The Eiffel Tower can grow up to 6 inches taller during summer.★It is physically impossible to hum while holding your nose.★There is a village in Norway called 'Hell' that freezes over every winter.★Dolphins have names for each other.★A flock of crows is known as a murder.★Cherophobia is an irrational fear of fun or happiness.★A group of flamingos is called a 'flamboyance'.★Pteronophobia is the fear of being tickled by feathers.★The longest recorded flight of a chicken lasted 13 seconds.★A shrimp's heart is located in its head.★The Great Wall of China is not visible from space with the naked eye.★A newborn kangaroo is about the size of a jellybean.★The shortest commercial flight in the world lasts just 57 seconds.★A group of pandas is called an embarrassment.★A jiffy is an actual unit of time: 1/100th of a second.★Koalas have fingerprints nearly identical to humans.★Dragonflies have been around for about 300 million years.★Horses physically cannot vomit.★Sloths can hold their breath longer than dolphins can.★Scotland's national animal is the unicorn.★Cows have best friends and get stressed when separated.★The Mona Lisa has no eyebrows or eyelashes.★Most 'silver' spoons are actually made of stainless steel.★Humans share 60% of their DNA with bananas.★Barbie's full name is Barbara Millicent Roberts.★There are more possible iterations of a game of chess than atoms in the observable universe.★Butterflies taste with their feet.★A group of crows mobbing a predator is literally called a 'murder patrol'.★A hippo's sweat is pink.★Polar bears have black skin under their white fur.★The shortest war in history lasted 38 to 45 minutes between Britain and Zanzibar.★A snail can sleep for three years straight.★A 'jiffy' is one trillionth of a second in physics.★Tigers have striped skin, not just striped fur.★Bananas are curved because they grow towards the sun.★You can hear a blue whale's heartbeat from more than two miles away.★Bubble wrap was originally invented as wallpaper.★Avocados are toxic to most animals except humans.★The smell of rain has a name: petrichor.★A hummingbird's heart can beat up to 1,260 times per minute.★If you lift a kangaroo's tail off the ground it can't hop.★Sharks existed on Earth before trees did.★The smell of freshly cut grass is actually a plant distress signal.★Saturn would float if you could find an ocean big enough.★7% of American adults believe that chocolate milk comes from brown cows.★Ketchup was once sold as medicine in the 1830s.★29th May is officially Put a Pillow on Your Fridge Day.★Octopuses can taste with their arms.

★We have mapped more of Mars than of our own ocean floor.★Crows can recognize human faces and hold grudges for years.★Cotton candy was co-invented by a dentist.★The first item ever sold on eBay was a broken laser pointer.★A blue whale's heart is roughly the size of a small car.★The French language has 13 different words for 'kiss'.★A group of owls is called a parliament.★Sloths only poop about once a week.★Snakes can help predict earthquakes.★Humans blink about 15 to 20 times per minute.★The first oranges weren't orange, they were green.★In Switzerland it is illegal to own just one guinea pig.★The inventor of the Pringles can is buried in one.★The moon has moonquakes.★A 'moment' was medieval unit of time equal to 90 seconds.★Vincent van Gogh only sold one painting during his lifetime.★There's a species of jellyfish that is immortal.★Antarctica is the only continent without native reptiles or snakes.★Cashews grow on the outside of a fruit, not inside a shell.★Hippos can't actually swim, they walk along the riverbed.★Bees can recognize individual human faces.★So far, two diseases have successfully been eradicated: smallpox and rinderpest.★The average person walks the equivalent of three times around the world in a lifetime.★A newborn panda is smaller than a mouse.★Ostriches can run faster than horses.★Dolphins sleep with one eye open.★The longest hiccuping spree lasted 68 years.★There are more stars in the universe than grains of sand on every beach on Earth.★A day on Jupiter lasts only about 10 hours.★Wombat poop is cube-shaped.★Ancient Egyptians slept on stone pillows.★Starfish can regenerate their lost limbs.★Pigeons can recognize themselves in a mirror.★A bolt of lightning is five times hotter than the surface of the sun.★Cleopatra lived closer in time to the Moon landing than to the building of the Great Pyramid.★Goldfish can recognize human faces.★The first computer mouse was made of wood.★An octopus has nine brains.★Honey never spoils. Archaeologists found 3000-year-old honey in Egyptian tombs that was still edible.★The human brain uses about 20% of the body's total energy.★There are more than 1,000 chemicals in a cup of coffee.★A lion's roar can be heard from up to 5 miles away.★Pineapples take about two years to grow.★The world's oldest known recipe is for beer.★The oldest 'your mom' joke was discovered on a 3,500 year old Babylonian tablet.★Sea cucumbers breathe through their butts.★The fear of long words is ironically called hippopotomonstrosesquippedaliophobia.★Rats laugh when tickled.★Nintendo was founded in 1889 as a playing card company.★A day on Mercury lasts 59 Earth days.★Sea otters hold hands while sleeping so they don't drift apart.★Google processes more than 8.5 billion searches every single day.★Hot water freezes faster than cold water. This is called the Mpemba effect.★Your nose can remember 50,000 different scents.★Humans are the only animals that blush.★Cats can't taste sweetness.★Chewing gum while you chop onions helps keep you from crying.★The Statue of Liberty was originally intended to be a lighthouse.★Bananas are berries, but strawberries are not.★A cloud can weigh more than a million pounds.★A group of ferrets is called a business.★It takes about eight minutes for sunlight to reach Earth.★Cows have regional accents, they moo differently in different areas.★A group of porcupines is called a prickle.★A rhinoceros' horn is made of keratin, the same stuff as hair.★A group of frogs is called an army.★The microwave oven was invented by accident when a researcher noticed a chocolate bar melted in his pocket.★More than half of all people alive today have never made a phone call.★The average person spends six months of their life waiting for red lights to turn green.★Banging your head against a wall for one hour burns 150 calories.★Octopuses have three hearts and blue blood.★A snail can have up to 25,000 teeth on its tongue.★The dot over the letter 'i' is called a tittle.★Your stomach gets a new lining every 3 to 4 days, otherwise it would digest itself.★A day on Venus is longer than a year on Venus.★A blue whale's tongue can weigh as much as an elephant.★A mosquito has 47 teeth.★The Hawaiian alphabet has only 13 letters.★The Dutch were once the tallest people in the world.★Your tongue print is as unique as your fingerprint.★There are only two countries in the world whose names start with 'The': The Gambia and The Bahamas.★Peanuts aren't nuts, they are legumes.★The 'new car smell' is made of dozens of chemicals off-gassing from the interior.★A crocodile can't stick its tongue out.★A group of jellyfish is called a smack.★Pigs can't look up at the sky without rolling over.★Voice actors for Mickey and Minnie Mouse got married in real life.★Elephants are the only mammals that can't jump.★The Eiffel Tower can grow up to 6 inches taller during summer.★It is physically impossible to hum while holding your nose.★There is a village in Norway called 'Hell' that freezes over every winter.★Dolphins have names for each other.★A flock of crows is known as a murder.★Cherophobia is an irrational fear of fun or happiness.★A group of flamingos is called a 'flamboyance'.★Pteronophobia is the fear of being tickled by feathers.★The longest recorded flight of a chicken lasted 13 seconds.★A shrimp's heart is located in its head.★The Great Wall of China is not visible from space with the naked eye.★A newborn kangaroo is about the size of a jellybean.★The shortest commercial flight in the world lasts just 57 seconds.★A group of pandas is called an embarrassment.★A jiffy is an actual unit of time: 1/100th of a second.★Koalas have fingerprints nearly identical to humans.★Dragonflies have been around for about 300 million years.★Horses physically cannot vomit.★Sloths can hold their breath longer than dolphins can.★Scotland's national animal is the unicorn.★Cows have best friends and get stressed when separated.★The Mona Lisa has no eyebrows or eyelashes.★Most 'silver' spoons are actually made of stainless steel.★Humans share 60% of their DNA with bananas.★Barbie's full name is Barbara Millicent Roberts.★There are more possible iterations of a game of chess than atoms in the observable universe.★Butterflies taste with their feet.★A group of crows mobbing a predator is literally called a 'murder patrol'.★A hippo's sweat is pink.★Polar bears have black skin under their white fur.★The shortest war in history lasted 38 to 45 minutes between Britain and Zanzibar.★A snail can sleep for three years straight.★A 'jiffy' is one trillionth of a second in physics.★Tigers have striped skin, not just striped fur.★Bananas are curved because they grow towards the sun.★You can hear a blue whale's heartbeat from more than two miles away.★Bubble wrap was originally invented as wallpaper.★Avocados are toxic to most animals except humans.★The smell of rain has a name: petrichor.★A hummingbird's heart can beat up to 1,260 times per minute.★If you lift a kangaroo's tail off the ground it can't hop.★Sharks existed on Earth before trees did.★The smell of freshly cut grass is actually a plant distress signal.★Saturn would float if you could find an ocean big enough.★7% of American adults believe that chocolate milk comes from brown cows.★Ketchup was once sold as medicine in the 1830s.★29th May is officially Put a Pillow on Your Fridge Day.★Octopuses can taste with their arms.

Odd one out

Score

0/10

Streak

0

How to play Odd one out

Four items appear on screen. Three belong together, one does not. Tap the odd one out. After you answer, the game explains the connection. Daily mode serves one puzzle per day. Endless mode keeps serving random puzzles so you can build a best streak.

Tips

Look for category first: animals, countries, tools, foods
The odd one might differ by habitat, era or function, not just spelling
Read the explanation even when you get it right, the link is often clever
Endless mode tracks your best streak across sessions

About Odd one out

Odd one out is a classic reasoning warm-up: four tiles, one misfit. Categories span nature, geography, pop culture and wordplay. Explanations teach you why the grouping works, so wrong guesses still feel worthwhile.

More trivia games

Who said what?: A quote, four suspects, sixty seconds. Guess who said it.
Country guess: Guess today's mystery country. Each wrong guess tells you how far away you were and in which direction. Six tries.
Higher or lower: Is the next one higher or lower? Guess and build your streak across cities, animals, countries and more.
Daily trivia: Ten questions per day across geography, science, history and pop culture. Can you score 10/10?
Fake or fact: Five quick rounds per day. Read two statements and spot the false one.
One minute detective: Read the clues, pick the culprit. A new mystery every day or endless random cases.

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