Read the round
Sometimes you name a country or planet near a target. Sometimes you estimate a number. The unit and data year are always shown.
DAILY FLIGHT
A NEW CHALLENGE. EVERY DAY.
Playplain Online
A good guess goes a long way.
Seven rounds. Name something near a target or estimate a number. The closer you get, the higher you fly.
7 rounds · about 3 minutes · free to play
Want another go? Play unlimitedSEVEN ROUNDS. A LITTLE WISER.
A flight to remember.
0meters climbed
Keep flying in unlimited →Your flight log
A LITTLE KNOWLEDGE. A GOOD GUESS.
How high can your curiosity take you?
Playplain puts your sense of scale to the test. A country’s population. A planet’s size. You do not need the exact answer to make a good guess. Each round gives you a number to aim for, and something new to learn.
Trust your estimate
Lock in your answer within 30 seconds. Accuracy earns altitude; the clock takes a little away. The seventh round doubles your climb.
Take something with you
See the answer, check its source and share your flight. Read the full rules and scoring examples, or take another trip.
One daily flight. Plenty of room to practice.
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Today’s challenge
Seven shared rounds. Your own high-altitude moment.
↗Playplain Unlimited
Fresh flights whenever you like. Relaxed mode available.
A few things before takeoff
What is Playplain Online?
It is a free estimation game with two kinds of rounds: name an object whose value is close to a target, or estimate the answer to a numerical question. Accurate guesses make your plane climb.
Can I play more than once?
Yes. The daily flight gives everyone the same seven rounds and saves your progress on this device. Unlimited mode starts a fresh flight whenever you want, with an optional relaxed setting that removes the timer.
When does the daily game reset?
A new daily challenge starts at 00:00 UTC. Your daily rounds are generated from a fixed data version, so coming back or refreshing does not give you a different challenge.
Where do the answers come from?
Our first question set uses NASA planet measurements and dated World Bank population and area records. Each answer links to its source. Country questions show the data year so you know which value to estimate.
Real numbers. Clear units. A source behind every answer.
Learn about this game and how scoring works.