Solutions · Extreme Sudoku

Extreme Sudoku 1: solutions

All 150 sudoku puzzles in the book, each solved step by step. The book runs from easiest to hardest: 72 at Expert 5, 50 at Expert 6, 26 at Expert 7, 2 at Expert 8. Every page names the key technique, so you can also jump straight to the idea you are missing.

Try a free sample puzzle (PDF) · prints on A4 or US Letter

1. Puzzle 1Expert 5XY-Chain
2. Puzzle 2Expert 5XY-Chain
3. Puzzle 3Expert 5Nice Loops/AICs
4. Puzzle 4Expert 5Nice Loops/AICs
5. Puzzle 5Expert 5ALS-XZ
6. Puzzle 6Expert 5ALS-XZ
7. Puzzle 7Expert 5XY-Chain
8. Puzzle 8Expert 5XY-Chain
9. Puzzle 9Expert 5ALS-XZ
10. Puzzle 10Expert 5ALS-XZ
11. Puzzle 11Expert 5ALS-XZ
12. Puzzle 12Expert 5ALS-XZ
13. Puzzle 13Expert 5ALS-XZ
14. Puzzle 14Expert 6ALS-XZ
15. Puzzle 15Expert 6ALS-XZ
16. Puzzle 16Expert 6ALS-XZ
17. Puzzle 17Expert 5Nice Loops/AICs
18. Puzzle 18Expert 5Nice Loops/AICs
19. Puzzle 19Expert 5Nice Loops/AICs
20. Puzzle 20Expert 5ALS-XZ
21. Puzzle 21Expert 5XY-Chain
22. Puzzle 22Expert 5Nice Loops/AICs
23. Puzzle 23Expert 5Nice Loops/AICs
24. Puzzle 24Expert 5Nice Loops/AICs
25. Puzzle 25Expert 5ALS-XZ
26. Puzzle 26Expert 5XY-Chain
27. Puzzle 27Expert 5ALS-XZ
28. Puzzle 28Expert 5ALS-XZ
29. Puzzle 29Expert 5ALS-XZ
30. Puzzle 30Expert 5XY-Chain
31. Puzzle 31Expert 5ALS-XZ
32. Puzzle 32Expert 5XY-Chain
33. Puzzle 33Expert 5ALS-XZ
34. Puzzle 34Expert 6Nice Loops/AICs
35. Puzzle 35Expert 6Nice Loops/AICs
36. Puzzle 36Expert 6Nice Loops/AICs
37. Puzzle 37Expert 6Nice Loops/AICs
38. Puzzle 38Expert 6XY-Chain
39. Puzzle 39Expert 6Nice Loops/AICs
40. Puzzle 40Expert 7Finned Fish
41. Puzzle 41Expert 7Nice Loops/AICs
42. Puzzle 42Expert 7WXYZ-Wing
43. Puzzle 43Expert 5Nice Loops/AICs
44. Puzzle 44Expert 5Nice Loops/AICs
45. Puzzle 45Expert 5ALS-XZ
46. Puzzle 46Expert 5XY-Chain
47. Puzzle 47Expert 5Nice Loops/AICs
48. Puzzle 48Expert 6ALS-XZ
49. Puzzle 49Expert 5ALS-XZ
50. Puzzle 50Expert 5Nice Loops/AICs
51. Puzzle 51Expert 7Nice Loops/AICs
52. Puzzle 52Expert 6ALS-XZ
53. Puzzle 53Expert 7ALS-XZ
54. Puzzle 54Expert 5XY-Chain
55. Puzzle 55Expert 5ALS-XZ
56. Puzzle 56Expert 6Nice Loops/AICs
57. Puzzle 57Expert 6Nice Loops/AICs
58. Puzzle 58Expert 7ALS-XZ
59. Puzzle 59Expert 5Nice Loops/AICs
60. Puzzle 60Expert 5XY-Chain
61. Puzzle 61Expert 5Nice Loops/AICs
62. Puzzle 62Expert 5ALS-XZ
63. Puzzle 63Expert 5ALS-XZ
64. Puzzle 64Expert 5Nice Loops/AICs
65. Puzzle 65Expert 5ALS-XZ
66. Puzzle 66Expert 5XY-Chain
67. Puzzle 67Expert 5XY-Chain
68. Puzzle 68Expert 5ALS-XZ
69. Puzzle 69Expert 5ALS-XZ
70. Puzzle 70Expert 5ALS-XZ
71. Puzzle 71Expert 5XY-Chain
72. Puzzle 72Expert 5ALS-XZ
73. Puzzle 73Expert 5XY-Chain
74. Puzzle 74Expert 5XY-Chain
75. Puzzle 75Expert 5XY-Chain
76. Puzzle 76Expert 5XY-Chain
77. Puzzle 77Expert 6ALS-XZ
78. Puzzle 78Expert 6XY-Chain
79. Puzzle 79Expert 6Nice Loops/AICs
80. Puzzle 80Expert 6Nice Loops/AICs
81. Puzzle 81Expert 6Nice Loops/AICs
82. Puzzle 82Expert 6Nice Loops/AICs
83. Puzzle 83Expert 6Nice Loops/AICs
84. Puzzle 84Expert 6XY-Chain
85. Puzzle 85Expert 6Nice Loops/AICs
86. Puzzle 86Expert 6Nice Loops/AICs
87. Puzzle 87Expert 6Nice Loops/AICs
88. Puzzle 88Expert 6Nice Loops/AICs
89. Puzzle 89Expert 6ALS-XZ
90. Puzzle 90Expert 6ALS-XZ
91. Puzzle 91Expert 6Nice Loops/AICs
92. Puzzle 92Expert 7Nice Loops/AICs
93. Puzzle 93Expert 7ALS-XZ
94. Puzzle 94Expert 7XY-Chain
95. Puzzle 95Expert 7ALS-XZ
96. Puzzle 96Expert 7WXYZ-Wing
97. Puzzle 97Expert 7XY-Chain
98. Puzzle 98Expert 7XY-Chain
99. Puzzle 99Expert 7XY-Chain
100. Puzzle 100Expert 7XY-Chain
101. Puzzle 101Expert 7XY-Chain
102. Puzzle 102Expert 7Nice Loops/AICs
103. Puzzle 103Expert 8ALS-XZ
104. Puzzle 104Expert 5ALS-XZ
105. Puzzle 105Expert 5Nice Loops/AICs
106. Puzzle 106Expert 5XY-Chain
107. Puzzle 107Expert 5ALS-XZ
108. Puzzle 108Expert 5ALS-XZ
109. Puzzle 109Expert 5XY-Chain
110. Puzzle 110Expert 5XY-Chain
111. Puzzle 111Expert 5Nice Loops/AICs
112. Puzzle 112Expert 5Nice Loops/AICs
113. Puzzle 113Expert 5Nice Loops/AICs
114. Puzzle 114Expert 5Nice Loops/AICs
115. Puzzle 115Expert 6XY-Chain
116. Puzzle 116Expert 6ALS-XZ
117. Puzzle 117Expert 6XY-Chain
118. Puzzle 118Expert 6ALS-XZ
119. Puzzle 119Expert 6Nice Loops/AICs
120. Puzzle 120Expert 6ALS-XZ
121. Puzzle 121Expert 6Nice Loops/AICs
122. Puzzle 122Expert 6ALS-XZ
123. Puzzle 123Expert 6Nice Loops/AICs
124. Puzzle 124Expert 6XY-Chain
125. Puzzle 125Expert 6XY-Chain
126. Puzzle 126Expert 6ALS-XZ
127. Puzzle 127Expert 6Nice Loops/AICs
128. Puzzle 128Expert 7Nice Loops/AICs
129. Puzzle 129Expert 7Nice Loops/AICs
130. Puzzle 130Expert 7ALS-XZ
131. Puzzle 131Expert 7Nice Loops/AICs
132. Puzzle 132Expert 7ALS-XZ
133. Puzzle 133Expert 7ALS-XZ
134. Puzzle 134Expert 8ALS-XZ
135. Puzzle 135Expert 5XY-Chain
136. Puzzle 136Expert 5Nice Loops/AICs
137. Puzzle 137Expert 6ALS-XZ
138. Puzzle 138Expert 6Nice Loops/AICs
139. Puzzle 139Expert 6Nice Loops/AICs
140. Puzzle 140Expert 6Nice Loops/AICs
141. Puzzle 141Expert 7Finned Fish
142. Puzzle 142Expert 7Nice Loops/AICs
143. Puzzle 143Expert 7ALS-XZ
144. Puzzle 144Expert 6ALS-XZ
145. Puzzle 145Expert 6ALS-XZ
146. Puzzle 146Expert 6Nice Loops/AICs
147. Puzzle 147Expert 6Nice Loops/AICs
148. Puzzle 148Expert 6Finned Fish
149. Puzzle 149Expert 5XY-Chain
150. Puzzle 150Expert 5Nice Loops/AICs

Techniques explained: sudoku techniques. Other books: Extreme Killer Sudoku 1 · Extreme Sudoku 2 · Extreme Killer Sudoku 2 · Extreme Sudoku 3 · Extreme Killer Sudoku 3.