TRUST YOUR EYES. CHALLENGE YOUR FRIENDS.
How close can
you get?
One shape. One percentage. A little friendly rivalry.
Find the length. The closest guess takes the win.
01 / GATHER ROUND
Good company.
Better guesswork.
Two to six players. One device. Who has the sharpest eye?
The target and shape are picked at the start, then stay the same for every player.
YOUR TURN
Over to .
Pass the device, then take your best shot. Everyone gets the same target and shape.
Your guesses stay under wraps.
Find —% of the line.
Drag along the line, or tap a start point and an end point.
Select an endpoint to adjust it. Keyboard: arrow keys move; Shift + arrow moves finely. Home/End reach the line’s ends.
Your exact length is revealed after everyone has locked a guess.
THE CLOSEST CALL
One way to make the target length. Your segment could start anywhere.
How everyone lined up
SMALLEST ERROR FIRSTError is measured in percentage points. Full precision decides the ranking; equal errors share the win.
About Line Up / 玩法介紹
Line Up — Percentage Guessing Game
Free browser game · 2–6 players on one device · English / 繁體中文
A local 2–6 player estimation game. Everyone guesses the same target percentage of a line or shape’s outline; the closest estimate wins.
線條估估看：2–6 人輪流估算線條或圖形周界的指定百分比。大家使用相同題目，完成後一起揭曉結果，最接近的玩家勝出。
How to play
- Choose the players and start a round to reveal the shared percentage and shape.
- Drag a segment or place its two endpoints, then lock your guess.
- Pass the device; reveal the results after everyone has guessed.
Play in a modern phone or desktop browser with JavaScript enabled. No account or app download is required. Choose 中 / EN on the playground for Traditional Chinese or English.