Centroid (x̄, ȳ) — GRID FAST
10 rounds · lowest score wins
How it works
Estimate the centroid (center of mass) of the blue squares.
Click a cell to place your guess, then press VALIDATE
(or click the same cell again to confirm).
Perfect guess = 0 points. Lower is better.
■ Dots
■ True centroid
■ Your guess
Click START GAME to begin