Puzzle 237: Masyu

Instructions

Theme: Coloured diagonals

Puzzle 236: Pentominous

Instructions

Theme: FILNPTUVWXYZ

Puzzle 235: Heyawake

Instructions

Theme: Long and narrow

Puzzle 234: Nurikabe

Instructions 

Theme: In rows

Puzzle 233: Fillomino

Instructions

Theme: Centre Corners

Puzzle 232: Cipher Tapa

Instructions

Theme: Ticks

Cipher Tapa Instructions

The objective is to divide the grid into shaded and unshaded cells, subject to the following rules:

1. Each letter encodes a different interger from 1-8. These numbers indicate the number of consecutive cells shaded around them. There must be at least one unshaded cell between shaded regions.
2. There must be one contiguous area of shaded cells, which is not allowed to contain 2x2 areas or any of the numbered cells.

  

Puzzle 231: Barrier LITS

Instructions

Theme: Hidden 3x3 boxes

Barrier LITS Instructions

Rules: The challenge is to shade four connected cells in each region, 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. No tetromino is allowed to cross an internal wall.

Puzzle 230: Corral

Instructions

Theme: 3 to 9 triples