Sunday, 28 July 2013

Puzzle 69: Heyawaky

Instructions

Theme: Aztec

Heyawacky Instructions

Rules: The challenge is to paint some cells on the grid, subject to the following rules:
  1. Painted cells must never touch horizontally or vertically
  2. Unpainted cells must form one, connected area.
  3. Numbers dictate how many painted cells are in a room, also a straight line of unpainted cells can only cross over, at most, one border, even in the event of the line running over two rooms.

Monday, 22 July 2013

Puzzle 63: Torodial Sudoku

Instructions

Theme: Crosshatch

Torodial Sudoku Instructions

Rules: The challenge is to fill in the numbers 1 to n in the grid, subject to the following rules:
  1. There is are the numbers 1 to n in each row and column.
  2. Each area of size n also has the numbers 1 to n.
  3. Areas may also exit one side of the grid and enter via the other side, these areas must still contain the numbers 1 to n.

Sunday, 21 July 2013

Puzzle 62: LITSO

Instructions 

Theme: Boxes

LITSO Instructions



Rules: The challenge is to paint four connected cells in each shape, subject to the following rules:
  1. No two of the same tetrominos, including rotations / reflections are allowed to touch.
  2. All painted cells must connect upon completion.


Tuesday, 16 July 2013

Hybrid 1: Heyawake Hitori

Instructions

Theme: Escape the centre!

Heyawake Hitori Instructions

Rules: The challenge is to paint some cells on the grid, subject to the following rules:
  1. Painted cells must never touch horizontally or vertically
  2. Unpainted cells must form one, connected area.
  3. Superscript numbers dictate how many painted cells are in a room, also a straight line of unpainted cells can only connect two rooms i.e. any such line of white cells which connects three or more rooms is forbidden.
  4. No two numbers the same can remain unpainted in the same row or column.


Saturday, 13 July 2013

Puzzle 55: Nurikabe Pairs

Instructions 

Theme: 3 plus 3

Nurikabe Pairs Instructions

Nurikabe Pairs

Rules:

The challenge is to paint each cell black or white, subject to the following rules:

  1. Each wall must contain exactly two numbered cells.
  2. The total of the two cells added together give the wall cell, the numbers in it is are number of cells in that wall.
  3. There must be only one stream, which is not allowed to contain "pools", i.e. 2x2 areas of black cells.