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Monday, March 5, 2012

March Mutant 5: Spirits of Serpentine (seconds)

In this Spirits of Serpentine puzzle, the clues represent the second number encountered in the direction of the arrow, rather than the first; if only one number or no numbers are encountered before the edge of the grid or the nearest black cell (whichever is closer), then the clue is 0. The rules are otherwise unchanged.

Sunday, March 4, 2012

March Mutant 4: Straight and Arrow (domino)

In this Straight and Arrow puzzle, instead of no two black cells being allowed to share an edge, every black cell must share an edge with EXACTLY ONE other black cell. The rules are otherwise unchanged.

Saturday, March 3, 2012

In this Process of Illumination puzzle, a 3 has been placed in every black cell which could legally contain one. The number of light bulbs adjacent to a black cell without a number must not be 3. The rules are otherwise unchanged.

Friday, March 2, 2012

March Mutant 2: Tetra Firma / Dominnocuous

Solve this grid as a Tetra Firma and a Dominnocuous simultaneously. No cell may be black in both solutions.

Thursday, March 1, 2012

Shade in some cells black such that the black cells are all connected to each other through their edges, and no 2x2 cell area within the grid contains all black cells. In a normal Cross the Streams, numbers to the left of a row or above a column represent the groups of consecutive black cells which are in that row or column. For example, a clue of "3" means the row or column has three consecutive black cells, and a clue of "3 1" means that the row or column has a group of three consecutive black cells followed by a single black cell, separated by at least one white cell. A question mark (?) represents a group of consecutive black cells whose size is unknown; an asterisk (*) represents any number of unknown groups of black cells, including none at all. However, in this puzzle, some of the clues are inverted, and refer to the groups of white cells in that row or column. (A clue may coincidentally function as both a normal clue and an inverted one simultaneously.)
This is an extension of the idea presented in Monday Mutant 94. Now you don't know which clues are inverted and which are normal! Gwa ha ha!

Wednesday, February 15, 2012

Puzzle 541: Straight and Arrow 37

Wednesday, February 8, 2012

Puzzle 540: Ellbound 3