How to play

• A game is 7 rounds of 30 seconds. Each round shows a category and a target, for example: “Name a mountain with a summit closest to 6,200 m above sea level.”
• Type an answer from that category. Suggestions appear as you type; pick one or press Enter. Small typos are fine.
• Your first accepted answer is locked in. If we don't know an answer, or it's outside the category, we tell you why and you can try another. That doesn't use up the round, but the clock keeps running.
• Everyone gets the same 7 prompts on the same day. A full game takes about three minutes.

Target: 6,200 m. Here is how five real mountains would score:

Denali is 0.16% under, inside the 1% band, so it's a Dialed: 99 points plus the 25-point bonus, 124 in total. That climbs your plane 1,240 m. Ben Nevis is less than a quarter of the target, so it's a Miss worth a single point.

Points measure how close you are on a ratio scale, so twice the target scores the same as half the target: both are off by the same factor. A perfect answer scores 100.

points = round(100 × e^{−3.3 × d})where d = |ln(answer ÷ target)|, the distance on a log scale

The best possible day is 1,000 points: a Dialed in every round, with the Golden Round doubled.

Your score is your plane's altitude. Every point climbs 10 m, so the ceiling is 10,000 m.

While a round's timer runs, the plane sinks. The first 3 seconds are free (time to read the prompt); after that you lose 4 m per second, at most 108 m in a round. Answering Denali after 12 seconds nets 1,240 − 36 = 1,204 m. If time runs out, you climb nothing and lose the full 108 m. Altitude never drops below the runway. The server measures the time, so the clock is the same for everyone.

Along the way you pass the rooftops, the clouds (2,500 m), Mount Everest (8,849 m) and cruising altitude (9,500 m).

One round each day is golden: its points, including the Dialed bonus, count double. It's the same round for everyone, and you only find out which one it was after you answer. A Dialed like Denali on the Golden Round is worth 248 points, or 2,480 m. So every round deserves your best answer.

Finish the daily game on consecutive days to build a streak. Every 7 days of streak earns a streak freeze, and you can hold up to 2. If you miss a day, a freeze is used automatically and your streak survives; without one, it starts again at your next game.

The game only says your streak is at risk when it's true: in the last three hours of the day, with no freeze left. Freezes are earned, never sold.

Each finished game earns XP for your altitude, your streak, every Dialed and the daily mission, and XP fills your level. There is one daily mission for everyone, such as “Land 3 answers Close or better”. Badges mark milestones like Above Everest (finish at 8,849 m or higher) or Golden Touch (a Dialed on the Golden Round). A few are secret.

• Think in ratios. If you're unsure, aim for an answer you know well rather than a wild guess: half or double the target still scores.
• Accuracy beats speed. One point is 10 m; the most you can lose to sinking in a round is 108 m. Take a few seconds to find a better answer.
• Read the scope. Some rounds are limited, for example “2020–2029 only” or “Starbucks menu only”. The chip next to the prompt says so.
• Use the hint. Many targets come with a scale comparison, like “≈ 19 Eiffel Towers stacked”, to help you picture the number.
• Learn from the reveal. After each round you see the best answer and a few close ones. Past days are in the archive.