About Quackle
Quackle is a 7×7 grid divided into ponds. Each pond shows the number of ducks it should hold. Two rules: same-pond ducks all touch each other; different-pond ducks never do. Find which cells hold those ducks.
Read the Quackle rules for what the Check messages mean. Older Quackles stay playable in the archive. If you're stuck, hints for this Quackle walk through three spoiler-safe nudges. If Quackle suits you, Sumrex is another grid puzzle where one well-placed move unlocks the rest.