Puzzle 229: Slitherlink

Instructions 

Theme: Parallel Lines

Puzzle 228: Sudoku

Instructions

Theme: Diagonals and arrowheads

Puzzle 227: Akari

Instructions

Theme: Arrowheads

Puzzle 226: Battleships

Instructions

Theme: Fours

Puzzle 225: Tapa

Instructions

Theme: Top and bottom

Puzzle 224: Corral

Instructions

Theme: 3s and 4s

Corral Instructions

Rules: The challenge is to draw a single, closed loop along the gridlines, subject to the following rules:

1. All clues must be contained within the loop.
2. With the loop itself blocking the line of sight, the clue displays the number of other squares can be seen from that cell vertically and horizontally.

Puzzle 223: Heyawake

Instructions

Theme: 1 in 4

Puzzle 222: Pentominous

Instructions

Theme: The straights

Pentominous Instructions

Rules: The challenge is to divide the grid in pentominos, subject to the following rules:

1. No two of the same pentominos, including rotations / reflections are allowed to touch.
2. Letters indicate which pentomino occupies that cell, pentominos may contain any number of letters (including zero).