5 x 12 x x 22 5 21 x x 17 x x x 18 23 24 x x 3 x 20 19 x x x x 3 x 23 7 12 6 24 20 x x x 10 x 17 x x 13 4 16 11 x 8 18 x 4 x 21 8 20 18 2 15 3 x 1 11 x 12 19 x x 6 10 x 7 x x x 14 25 9 16 15 24 11 8 19 x x x x 4 x 6 17 x x x 18 22 x x x x x 19 x x 6 22 x x 16 x 20 x x x 15 x 7 x x x x x x 10 25 x 20 x 9 10 21 14 2 x x x x 6 4 x 25 x x x 11 1 24 x x x 11 5 x 3 x 17 x 16 23 x 24 2 9 22 x 10 x x 15 x 21 x x 19 x 7 23 x x x x 13 x x 3 11 x 16 21 x x 20 x x x 2 x 5 x 15 19 x 12 x 2 x 7 x 5 22 x x 1 13 3 16 x x 24 x x 11 x x x 13 22 24 1 8 9 x 4 x x 23 x x 15 5 21 17 2 6 x 18 x 3 25 x x x x 12 x x 25 13 x x x x 17 x 20 x x x 9 10 14 x x 11 1 23 4 25 x 14 x 24 12 21 x 3 x x x 22 15 5 17 13 20 x x x x x x 6 9 x 11 x 23 7 1 x x x x 25 13 3 14 x x x x x 22 12 16 x x x x 16 14 x 17 x x x 15 2 x x 12 x 4 19 x 13 23 x 24 3 3 x x x x 2 9 11 10 5 x 23 x x x 22 x 18 x x x 4 x 15 x x x x 7 3 25 x x 9 x 6 10 15 19 x x x 16 17 x x 14 20 x 5 x x x x 17 16 x x x 19 12 20 14 x x x x 22 x 3 6 25 2 x 4 15 x x x x 8 x x 2 24 x 22 13 x x x 12 x 7 x x x x 21 18 9 x 22 4 x x 1 x 14 6 x x 21 8 x x 2 x 23 13 16 x 15 x 10 x 18 x x x 10 17 x x 4 x x x 1 x 14 x x 25 x x 7 x x x x x x x 4 x x x x 7 15 x x x x 19 3 21 x 12 x 22 x x x x x x 11 x x 3 x x 25 x x x 5 24 7 x x 14 9 x 18 16 x 19 12 x 3 x 9 x x 10 17 x 7 x 22 x x x x x x x 23 x 14 x x 14 x x x 15 23 x 18 24 x 10 17 x x x 4 x x x x 12 20 x 7 13 x 7 20 19 13 x 12 x 11 x 16 x x 9 x 8 10 23 18 x x 5 4 x x Mega Sudoku 25x25 0 / 5 01:16 Score: 0 How to Play Sudoku 25 by 25 This is a rather challenging Sudoku with 25 rows and 25 columns (a total of 625 cells) Source: https://escape-sudoku.com/game/classic-25x25-medium 2 12 11 10 22 ║ 5 21 1 25 17 ║ 9 16 7 18 23 ║ 24 8 14 3 15 ║ 20 19 13 4 6 5 3 1 23 7 ║ 12 6 24 20 14 ║ 22 25 10 2 17 ║ 9 19 13 4 16 ║ 11 15 8 18 21 4 17 21 8 20 ║ 18 2 15 3 13 ║ 1 11 5 12 19 ║ 23 25 6 10 22 ║ 7 9 24 16 14 25 9 16 15 24 ║ 11 8 19 7 10 ║ 13 3 4 14 6 ║ 17 21 1 20 18 ║ 22 2 12 5 23 18 19 13 14 6 ║ 22 4 9 16 23 ║ 20 21 8 24 15 ║ 2 7 11 12 5 ║ 3 1 17 10 25 ═══════════════╬════════════════╬════════════════╬════════════════╬═══════════════ 16 20 17 9 10 ║ 21 14 2 15 18 ║ 19 7 6 4 8 ║ 25 13 3 5 11 ║ 1 24 23 22 12 11 5 14 3 18 ║ 17 20 16 23 1 ║ 24 2 9 22 25 ║ 10 4 12 15 7 ║ 21 13 6 19 8 7 23 4 6 25 ║ 24 13 8 12 3 ║ 11 18 16 21 10 ║ 1 20 9 22 19 ║ 2 17 5 14 15 19 15 12 21 2 ║ 6 7 25 5 22 ║ 17 14 1 13 3 ║ 16 18 8 24 23 ║ 4 11 10 20 9 13 22 24 1 8 ║ 9 10 4 19 11 ║ 23 12 20 15 5 ║ 21 17 2 6 14 ║ 18 16 3 25 7 ═══════════════╬════════════════╬════════════════╬════════════════╬═══════════════ 24 2 15 12 19 ║ 3 25 13 22 8 ║ 4 5 17 16 20 ║ 6 23 7 9 10 ║ 14 21 18 11 1 23 4 25 18 14 ║ 19 24 12 21 16 ║ 3 1 11 10 22 ║ 15 5 17 13 20 ║ 8 6 7 9 2 20 6 9 17 11 ║ 4 23 7 1 15 ║ 8 19 18 25 13 ║ 3 14 24 2 21 ║ 5 10 22 12 16 8 10 5 22 16 ║ 14 18 17 6 20 ║ 21 15 2 7 9 ║ 12 11 4 19 1 ║ 13 23 25 24 3 3 1 7 13 21 ║ 2 9 11 10 5 ║ 14 23 24 6 12 ║ 22 16 18 8 25 ║ 17 4 19 15 20 ═══════════════╬════════════════╬════════════════╬════════════════╬═══════════════ 21 11 8 7 3 ║ 25 22 23 9 12 ║ 6 10 15 19 2 ║ 18 1 16 17 4 ║ 24 14 20 13 5 1 13 10 24 17 ║ 16 15 5 18 19 ║ 12 20 14 23 7 ║ 11 9 22 21 3 ║ 6 25 2 8 4 15 14 19 16 23 ║ 8 11 20 2 24 ║ 25 22 13 17 4 ║ 5 12 10 7 6 ║ 9 3 1 21 18 9 25 22 4 5 ║ 7 1 3 14 6 ║ 18 24 21 8 11 ║ 20 2 19 23 13 ║ 16 12 15 17 10 6 18 2 20 12 ║ 10 17 21 13 4 ║ 5 9 3 1 16 ║ 14 24 15 25 8 ║ 19 7 11 23 22 ═══════════════╬════════════════╬════════════════╬════════════════╬═══════════════ 10 24 18 2 4 ║ 20 5 6 8 7 ║ 15 13 23 11 14 ║ 19 3 21 16 12 ║ 25 22 9 1 17 17 21 23 11 1 ║ 13 3 22 4 25 ║ 2 8 12 5 24 ║ 7 15 20 14 9 ║ 10 18 16 6 19 12 16 3 5 9 ║ 15 19 10 17 21 ║ 7 4 22 20 18 ║ 13 6 25 1 24 ║ 23 8 14 2 11 14 8 6 25 15 ║ 23 16 18 24 9 ║ 10 17 19 3 1 ║ 4 22 5 11 2 ║ 12 20 21 7 13 22 7 20 19 13 ║ 1 12 14 11 2 ║ 16 6 25 9 21 ║ 8 10 23 18 17 ║ 15 5 4 3 24