Solutions · Extreme Killer Sudoku

Extreme Killer Sudoku 2: solutions

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

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