Use a hint and the provable cells glow yellow, with a reason line attached. The treasure is the reason, not the answer. Here it reads: the 1 ghost is in green, so the framed row ghost is there too, so the row ends are ×. A reason once read becomes a shape your own eyes can find. Math strength is stacked reasons, not memorized answers.

In the app, one new tip arrives for each day you play.

▶ Try 50 rounds in your browser A free demo, no install. All 2,000 rounds are in the app.