🪁 Windline Courier
Combine one tether command with the visible gust to guide a kite courier through ten forecast wind gates at the exact target altitude.
Play: The interactive game loads on this page in a modern JavaScript-enabled browser. The complete guide remains readable before it loads.
Controls
Desktop
Up or W reels in, Space or Enter holds, Down or S lets out; P pauses and R restarts
Mobile
Tap Reel In, Hold or Let Out after adding that command to the visible updraft, calm wind or downdraft
What is distinct here
Windline Courier turns a visible three-term altitude equation into a short route. Its meaningful difference is that the player must combine a deliberate tether change with an independent gust, while a three-gate forecast prepares the next calculation without revealing the answer.
Rules
- The kite flies in five numbered altitude lanes. Every gate displays one target lane and a visible gust: updraft −1, calm 0 or downdraft +1.
- Choose exactly one tether command: Reel In −1, Hold 0 or Let Out +1. Current altitude + tether command + gust must equal the target.
- A correct command moves the courier to that gate and grows the streak. A wrong result keeps the same gate but uses one of three signals.
- Clear ten generated gates to deliver every message. Each route stores a verified unique solution for every gate, and the best completed score stays only in this browser.
Strategy tips
- Start with the current lane number, add the tether change, then add the gust. Compare only the final total with the target gate.
- A gust can be cancelled: reel in against a downdraft or let out against an updraft to stay at the same altitude.
- Read the three-gate forecast before choosing. The next target is not actionable yet, but seeing its gust prepares you to recalculate after landing.
What we tested
Every generated gate stores the legal command used to create its target. Tests cover 160 seeded routes, unique answers, altitude bounds, anti-repetition rules, three-signal failure, the full ten-gate proof path, pause timing and disabled commands outside a running game.
Frequently asked questions
Can Windline Courier generate an impossible gate?
No. Each target is built from the current altitude, a visible gust and one legal tether command. Automated tests verify the unique answer at every gate across 160 generated routes.
Why did the kite stay at the same height after I changed the tether?
The gust is added after the tether command. For example, Reel In −1 plus a Downdraft +1 cancels to zero, so the kite remains in its current lane.
Does Windline Courier upload my route or score?
No. The generated route stays in the active session, and only the best completed score is stored locally in this browser.
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