Skip to main content

Number Place / Hard

Number Place Hard

Advanced puzzles requiring structural reasoning like X-Wing/XY-Wing.

Solved 0 / 300

Quick Start

Guides for This Difficulty

Review the techniques that fit this level first, then move into the archive and practice them on real puzzles.

Use This as a Learning Course

This archive is not only a list of puzzle numbers. Use three puzzles as one practice set and keep the review loop fixed.

Before solving

Choose one technique from the guides for this level.

During the puzzle

Before using a hint, explain whether the clue comes from a row, column, or box.

After solving

Pick the technique that slowed you down and move to the next puzzle or guide.

Puzzle Archive (300)

Hard 001 Hard 002 Hard 003 Hard 004 Hard 005 Hard 006 Hard 007 Hard 008 Hard 009 Hard 010 Hard 011 Hard 012 Hard 013 Hard 014 Hard 015 Hard 016 Hard 017 Hard 018 Hard 019 Hard 020 Hard 021 Hard 022 Hard 023 Hard 024 Hard 025 Hard 026 Hard 027 Hard 028 Hard 029 Hard 030 Hard 031 Hard 032 Hard 033 Hard 034 Hard 035 Hard 036 Hard 037 Hard 038 Hard 039 Hard 040 Hard 041 Hard 042 Hard 043 Hard 044 Hard 045 Hard 046 Hard 047 Hard 048 Hard 049 Hard 050 Hard 051 Hard 052 Hard 053 Hard 054 Hard 055 Hard 056 Hard 057 Hard 058 Hard 059 Hard 060 Hard 061 Hard 062 Hard 063 Hard 064 Hard 065 Hard 066 Hard 067 Hard 068 Hard 069 Hard 070 Hard 071 Hard 072 Hard 073 Hard 074 Hard 075 Hard 076 Hard 077 Hard 078 Hard 079 Hard 080 Hard 081 Hard 082 Hard 083 Hard 084 Hard 085 Hard 086 Hard 087 Hard 088 Hard 089 Hard 090 Hard 091 Hard 092 Hard 093 Hard 094 Hard 095 Hard 096 Hard 097 Hard 098 Hard 099 Hard 100 Hard 101 Hard 102 Hard 103 Hard 104 Hard 105 Hard 106 Hard 107 Hard 108 Hard 109 Hard 110 Hard 111 Hard 112 Hard 113 Hard 114 Hard 115 Hard 116 Hard 117 Hard 118 Hard 119 Hard 120 Hard 121 Hard 122 Hard 123 Hard 124 Hard 125 Hard 126 Hard 127 Hard 128 Hard 129 Hard 130 Hard 131 Hard 132 Hard 133 Hard 134 Hard 135 Hard 136 Hard 137 Hard 138 Hard 139 Hard 140 Hard 141 Hard 142 Hard 143 Hard 144 Hard 145 Hard 146 Hard 147 Hard 148 Hard 149 Hard 150 Hard 151 Hard 152 Hard 153 Hard 154 Hard 155 Hard 156 Hard 157 Hard 158 Hard 159 Hard 160 Hard 161 Hard 162 Hard 163 Hard 164 Hard 165 Hard 166 Hard 167 Hard 168 Hard 169 Hard 170 Hard 171 Hard 172 Hard 173 Hard 174 Hard 175 Hard 176 Hard 177 Hard 178 Hard 179 Hard 180 Hard 181 Hard 182 Hard 183 Hard 184 Hard 185 Hard 186 Hard 187 Hard 188 Hard 189 Hard 190 Hard 191 Hard 192 Hard 193 Hard 194 Hard 195 Hard 196 Hard 197 Hard 198 Hard 199 Hard 200 Hard 201 Hard 202 Hard 203 Hard 204 Hard 205 Hard 206 Hard 207 Hard 208 Hard 209 Hard 210 Hard 211 Hard 212 Hard 213 Hard 214 Hard 215 Hard 216 Hard 217 Hard 218 Hard 219 Hard 220 Hard 221 Hard 222 Hard 223 Hard 224 Hard 225 Hard 226 Hard 227 Hard 228 Hard 229 Hard 230 Hard 231 Hard 232 Hard 233 Hard 234 Hard 235 Hard 236 Hard 237 Hard 238 Hard 239 Hard 240 Hard 241 Hard 242 Hard 243 Hard 244 Hard 245 Hard 246 Hard 247 Hard 248 Hard 249 Hard 250 Hard 251 Hard 252 Hard 253 Hard 254 Hard 255 Hard 256 Hard 257 Hard 258 Hard 259 Hard 260 Hard 261 Hard 262 Hard 263 Hard 264 Hard 265 Hard 266 Hard 267 Hard 268 Hard 269 Hard 270 Hard 271 Hard 272 Hard 273 Hard 274 Hard 275 Hard 276 Hard 277 Hard 278 Hard 279 Hard 280 Hard 281 Hard 282 Hard 283 Hard 284 Hard 285 Hard 286 Hard 287 Hard 288 Hard 289 Hard 290 Hard 291 Hard 292 Hard 293 Hard 294 Hard 295 Hard 296 Hard 297 Hard 298 Hard 299 Hard 300