Every past challenge
Every day GutGuesser asks four estimation questions: how heavy, how long, how tall, how many. Here are all the ones already played.
October 2026
- Monday, October 5, 2026How hot is a Finnish sauna?
- Sunday, October 4, 2026With the Earth spinning, how fast are you moving if you stand on the equator?
- Saturday, October 3, 2026How long is a large aircraft carrier?
- Friday, October 2, 2026What is the maximum weight of cargo a 40-foot shipping container can carry?
- Thursday, October 1, 2026How many compartments does a cow's stomach have?
September 2026
- Wednesday, September 30, 2026How long did the longest rainbow on record last?
- Tuesday, September 29, 2026How far away can a lion's roar be heard?
- Monday, September 28, 2026The sperm whale dives deeper than any other mammal. How deep does it go?
- Sunday, September 27, 2026How fast does the Earth move around the Sun?
- Saturday, September 26, 2026The Great Barrier Reef is the largest thing living creatures have ever built. How long is it?
- Friday, September 25, 2026How much water does a camel drink in one go?
- Thursday, September 24, 2026Mauna Kea is a volcano in Hawaii. Measured from its base, on the sea floor, how tall is it?
- Wednesday, September 23, 2026How many people crew a giant container ship?
- Tuesday, September 22, 2026Tokyo is the biggest urban area in the world. How many people live there?
- Monday, September 21, 2026How many bees live in a hive in summer?
- Sunday, September 20, 2026The southern elephant seal is the biggest carnivore in the world. How much does a male weigh?
- Saturday, September 19, 2026How much does an adult hippo weigh?
- Friday, September 18, 2026The helicopter altitude record was set with the machine at its limit. How high did it get?
- Thursday, September 17, 2026How many olives does one olive tree give in a year?
- Wednesday, September 16, 2026The highest parachute jump was made from a balloon. How high did he jump from?
- Tuesday, September 15, 2026How many times does the Space Station go round the Earth in a day?
- Monday, September 14, 2026How many teeth does an adult have with a full set?
- Sunday, September 13, 2026How many times the Earth's is the pressure at the surface of Venus?
- Saturday, September 12, 2026How often does Halley's Comet come round?
- Friday, September 11, 2026How wide is the Moon?
- Thursday, September 10, 2026The Burj Khalifa, in Dubai, is the tallest building in the world. How tall is it?
- Wednesday, September 9, 2026How long does a Galapagos tortoise live?
- Tuesday, September 8, 2026The Arctic tern migrates further than any other animal. How far does it travel in a year?
- Monday, September 7, 2026How many times its own height can a flea jump?
- Sunday, September 6, 2026Lake Maracaibo has a thunderstorm almost every night. How many nights a year?
- Saturday, September 5, 2026How much milk does a cow give in a day?
- Friday, September 4, 2026The wandering albatross has the longest wings of any bird. What is its wingspan?
- Thursday, September 3, 2026How many mosquitoes does a bat catch in one night?
- Wednesday, September 2, 2026The Stratolaunch is the biggest aeroplane in the world. What is its wingspan?
- Tuesday, September 1, 2026How much does an adult brain weigh?
August 2026
- Monday, August 31, 2026The bowhead whale lives longer than any other mammal. How old does it get?
- Sunday, August 30, 2026How many steps does the average person take in a day?
- Saturday, August 29, 2026The Kola borehole is the deepest hole ever drilled. How far down did they get?
- Friday, August 28, 2026How high up is the ozone layer?
- Thursday, August 27, 2026Greenland is the biggest island in the world. How big is it?