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Shameless Ripoff Number Billion
motris posted his team logo for the WPC. It was a Star Battle (spoiler?) with three of the areas in the shapes of a U, an S and an A. So, because I never have any of my own ideas, I ripped it off:
Small Region Star Battle: Mark some cells with stars such that each outlined region contains exactly ONE star and each row and column contains exactly ( Read more... ) -
First Tapa
In honour of the upcoming Tapa Variations Contest, here are a couple Tapa puzzles. The first is not my best work, but the second is kind of cool! (All instructions stolen from the list of Tapa Variations by Serkan Yurekli, which can be found on the link above. If anyone has a problem (or even thinks that someone might have a problem) with me ( Read more... ) -
Magic Cube Masyu
This is a Masyu puzzle, on a cube grid. It's based on the recent test on Logic Masters India, although this puzzle type was missing.
Normal Masyu instructions are the following. Nothing is different, just watch that your lines are straight.
Find a single closed loop passing through each of the black and white circles. The path passes through the ( Read more... ) -
This Nurikabe goes to 11
Nurikabe: Colour several squares black such that each number in the grid belongs to a white island containing that number of squares. The islands cannot be orthogonally adjacent. The black cells represent the ocean, and must be one contiguous set. Also, no 2x2 square can be all black.
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Odd/Even Nonconsecutive Sudoku
What's the least interesting type of Sudoku? I think it's the typical odd/even variety, which boils down to two separate puzzles, each of which is about half as difficult as a normal one.
So here's a twist! It's an odd/even Sudoku plus a nonconsecutive Sudoku. Standard Sudoku rules apply, except that each white cell will contain an odd number, ( Read more... ) -
Wednesday Puzzle #0
I'm back! ... and ripping off other people's ideas again!
This is an Extra-Space Sudoku. The format is from the book 'Mutant Sudoku', by Thomas Snyder and Wei-Hwa Huang.
Fill the white cells with the digits 1-9, such that each row, column and marked 4x4 box contains no repeated numbers. The grey cells are unused.
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First Nurikabe
Another nothing special: Nurikabe! Rules:
Colour several squares black such that each number in the grid belongs to a white island containing that number of squares. The islands cannot be orthogonally adjacent. The black cells represent the ocean, and must be one contiguous set. Also, no 2x2 square can be all black.
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Masyu
Nothing exciting, just a normal Masyu. Rules:
Find a single closed loop passing through each of the black and white circles. The path passes through the centers of adjacent squares. When passing through a black circle, the path must make a 90 degree turn and extend at least two squares in both directions. When passing through a white circle, the ( Read more... )
