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Level editor

Tap or drag on the board to paint. Burrows pair up in reading order (1st with 2nd, 3rd with 4th).

Name W H

Firebreaks Sparks Wind Lantern tick

Tip shown to the player

Advanced: rain clouds and shifting wind (JSON)

clouds: [{"path":[[r,c],[r,c],...]}] (top-left of each 2×2 cloud per tick, loops). windSchedule: [[0,"E"],[3,"S"]].

clouds windSchedule

Press “Solve and rate” to check the level.

–difficulty D

–winning setups

–firebreak sets that win

No solution shown

D = log10(all setups ÷ winning setups). Chapter guide: intro 0.7–1.5, middle 2–3, finale 3–4.5. A good level needs all its firebreaks, has few winning firebreak sets, and cannot be won just by walling in a house.