what is this online puzzle

4x4 - 16 pieces5x5 - 25 pieces6x6 - 36 pieces7x7 - 49 pieces9x8 - 72 pieces10x9 - 90 pieces11x10 - 110 pieces12x11 - 132 pieces13x12 - 156 pieces14x13 - 182 pieces15x14 - 210 pieces17x15 - 255 pieces18x16 - 288 pieces19x17 - 323 pieces20x18 - 360 pieces21x19 - 399 pieces22x20 - 440 pieces23x21 - 483 pieces24x22 - 528 pieces26x23 - 598 pieces27x24 - 648 pieces28x25 - 700 pieces29x26 - 754 pieces30x27 - 810 pieces Start a new game Create a multiplayer game table

By solving these puzzles, you show us that they are worth showing to more visitors. Until they become more popular, they are partially hidden.

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