Puzzles

The Killer in the Mirror

When I was young, I was afraid of dimly lit mirrors because I would always see faces in them. It turns out I'm not alone and there's science behind that. You can read about it here.

Basket Case

This puzzle is patterned after a square lattice or a plain weave. -Ordinary sudoku rules apply -Partial killer rules apply (digits in cages cannot repeat and must sum to the total given by the cage) -Sandwich rules apply (the numbers outside the grid indicate the sum of the digits between the 1 and the 9 in the indicated row or column) Here is the puzzle.

Gaelic Knot

Every puzzle I have posted so far has been an attempt at making inventive new variants. This is just a partial killer-little killer puzzle. -Ordinary sudoku rules apply -Partial killer rules apply (digits in cages cannot repeat and must sum to the total given by the cage) -Little Killer rules apply (digits outside the grid indicate the sum of the digits along the marked diagonal.

Origami Sudoku

I had an unsolved 1 star sudoku puzzle that I accidentally left folded up on my desk. I asked someone to scan it and email it to me but they didn't unfold it before doing so!

Looking Glass Thermo

My previous puzzle with this theme seemed to go over pretty well, so I've made another. Again, this one is not too terribly difficult, but I think quite fun. -Ordinary sudoku rules apply.

Through the Looking Glass

As far as I know, this is a novel variant with some very interesting logic. -Ordinary sudoku rules apply. -Little killer rules apply. The arrows indicate the sum of the digits in the direction of the arrow.

Decodoku

This is an extremely easy coffee break puzzle, so it should be fun way to spend a few minutes. Ordinary sudoku rules apply. In addition, there are a few cages which once filled can be decoded.

Time in a Bottle

If I could make days last forever If words could make wishes come true I'd save every day like a treasure and then I'd play sudoku with you Enough of that.

Klein Bottle Sudoku

This is the second in a series of puzzles that are played on a Klein Bottle. If you like this idea, please let me know. Ordinary sudoku rules DO NOT apply.

Klein Bottle Magic Square Puzzle

I am making this puzzle for my friend James. It's his birthday! This is the first in a series of puzzles that are played on a Klein Bottle. This is a little bit of an introduction to the concept, but be on the lookout for some really cool variants to come.