The Home of Perfect Sudoku and other puzzles
After a few weekends without any special puzzles, now I present you with another Gattai-4 non-consecutive Sudoku puzzle. This time, it’s a (somewhat forgotten) Butterfly Sudoku variation. The 4 sub-puzzles heavily overlap, so be careful! Non-consecutive Butterfly (Gattai-4) Sudoku for…
A few people have requested more non-consecutive puzzles and, as usual, I’m happy to fulfill your demands. This time is a Gattai-4 non-consecutive puzzle. Non-consecutive Ring (Gattai-4) Sudoku for Saturday, April 5, 2008. Difficulty: Brain Rules: Solve the puzzle so…
It has been hinted that this kind of puzzle was going to be posted soon – and to end the suspense, here it is! 🙂 My first ever Jigsaw Samurai Sudoku! Not so many sites produce these puzzles. I might…
A new brain teaser posted by Count Duko in the forum. Feel free to participate in solving this one by following this thread. Sound Charades is a game played on BBC Radio 4’s “I’m Sorry I haven’t a clue” in…
Udosuk posted a new problem in the “Brain Teasers” forum. It hasn’t been answered yet! 34 32 36 46 64 75 50 35 34 16 18 14 22 ?? 40 35 15 20 12 ?? is a 2-digit number. What…
This is off-topic, but since many people have shown interest for brain teasers in the forum, I decided to create a category here and start posting them. So, thanks to Shai, here is the first riddle in this category: OK…
I just uploaded an INSANE Killer puzzle to Daily Killer page. Not only that it has the highest difficulty ranking, but it’s also fully symmetrical, just like yesterday’s BRAIN puzzle. Normally, Sudoku Killer puzzles have “rotational” (or diagonal) symmetry, but…
I posted another classic Sudoku that requires Swordfish/X-Wing solving technique. You should practice this technique because at some stage I might post a Killer Sudoku that will require you to use this technique to solve the puzzle. Maybe. 🙂 Of…
Since it seems that this week’s brain X was a tricky one, today I didn’t post an INSANE puzzle, but rather just an IQ. It’s still quite difficult – maybe even more difficult than the brain X. I also posted…
According to the comments, a lot of people enjoyed the IQ Killer posted on Friday. It’s time to cool your brains off a little, with the today’s “COOL” puzzle. For those who haven’t had enough, I posted a really tough…