Sharpen your eyes with three visual challenges. Compare line lengths, estimate dot counts, and distinguish color shades. - Line Compare: Spot subtle length differences - Dot Estimation: Judge which group has more - Shade Match: Tell apart similar shades - Progressive difficulty, unlimited levels - Eye Score, accuracy tracking, achievements - No time pressure, zero penalty - Fully offline, no ads, no purchases Clean minimal design for all ages. How sharp are your eyes?
