Drag from the green ▶ through every ★ to the gold ⚑. Reach it in par steps for 3 medals. Drag back to undo.
Inspect your trail or a possible next step for cut-off stars and finish cells. This check reads the visible board; it does not draw a step or use Hint.
H = inspected head · ★ = uncollected star · F = finish · × = cut-off target · ■ = wall
Connectivity is a necessary check, not a promise that one non-crossing route can collect every star.