Monday, 18 June 2018

Puzzle 275: Frozen Pentominoes

Instructions



Theme: Lining Them Up

Frozen Pentominoes Instructions

The objective is to place all twelve pentominoes into the grid once each, subject to the following rules:

  1. Pentominoes are allowed to touch, but not overlap each other or the clue cells.
  2. Clue cells indicate which pentominoes, if any, touch that cell vertically, horizontally or diagonally. Cells with no letters have no touching pentominoes.
  3. Upon completion, all pentominoes must be frozen in place, blocked from moving horizontally or vertically by the boundary, a clue cell or another pentomino.
Example uses tetrominoes for illustration.



Monday, 11 June 2018

Puzzle 274: Easy as LITS

Instructions



Theme: Pairing Up

Easy as LITS Instructions

The objective is to shade 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 shaded cells must connect horizontally or vertically upon completion.
  3. No 2x2 area of shaded cells is allowed.
  4. Letters outside the grid indicate the first tetromino encountered in the corresponding direction.




Monday, 4 June 2018

Puzzle 273: Binary Heyawake

Instructions


Theme: Rotations

Binary Heyawke Instructions

The objective is to shade some cells, subject to the following rules:

  1. Shaded cells must never touch horizontally or vertically.
  2. Unshaded cells must form one, connected area.
  3. A straight line of unshaded cells can only connect two rooms, a line of white cells which connects three or more rooms is not allowed.
  4. If a cell containing a number is shaded, it indicates how many shaded cells are in a room.
  5. If a cell containing a number is unshaded, it indicates how many unshaded cells in that room it is connected to in a horizontal or vertical path without going over a room boundary or shaded cell, excluding the cell itself.


Wednesday, 17 February 2016

Puzzle 270: LITS Pathways

Instructions

Theme: Many Paths

LITS Pathways Instructions



Rules: The challenge is to shade 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 shaded cells must connect upon completion.
  3. No 2x2 area of shaded cells is allowed.
  4. Some shapes exit the grid and re-enter via pathways. These areas are considered the same shape but no part of the tetromino can be on the pathway.