Nervous system online puzzle

4x4 - 16 pieces5x5 - 25 pieces6x6 - 36 pieces7x7 - 49 pieces8x8 - 64 pieces9x9 - 81 pieces10x10 - 100 pieces11x11 - 121 pieces12x12 - 144 pieces13x13 - 169 pieces14x14 - 196 pieces15x15 - 225 pieces17x16 - 272 pieces18x17 - 306 pieces19x18 - 342 pieces20x19 - 380 pieces21x20 - 420 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.

36

7