*Sudoku Xtra*is an on-going series of

**puzzle compendiums**and range of

**logic puzzle books**, available as both PDFs and printed books.

"The best puzzle magazine I've come across" "By far the best variety of puzzles and different levels of challenge" "Something to suit everyone" |

Published by Dr Gareth Moore, author of over 250 international puzzle titles including

*Word Fall 1*,*The Mammoth Book of New Sudoku*,*The Mindfulness Puzzle Book*,*The Ordnance Survey Puzzle Book*and the*Clever Kids*series, and creator of online brain training site Brained Up as well as puzzle site PuzzleMix.com,*Sudoku Xtra*features an unparalleled collection of logic puzzles in a large page book format.Hashi

Draw the given number of bridges to join all the islands.

Draw the given number of bridges to join all the islands.

Futoshiki

Place 1 to 6 in each row and column whilst fulfilling the inequality signs.

Place 1 to 6 in each row and column whilst fulfilling the inequality signs.

Numberlink

Draw non-touching lines to join all of the number pairs.

Draw non-touching lines to join all of the number pairs.

Calcudoku

Solve each clue cage by fulfilling the sum, whilst placing 1 to 6 in each row and column.

Solve each clue cage by fulfilling the sum, whilst placing 1 to 6 in each row and column.

Outside Sudoku

Place the outside digits into the adjacent squares to solve the Sudoku.

Place the outside digits into the adjacent squares to solve the Sudoku.

Skyscraper

Place buildings of varying heights to fulfil the outside clues, whilst fitting 1 to 6 into each row and column.

Place buildings of varying heights to fulfil the outside clues, whilst fitting 1 to 6 into each row and column.

Jigsaw Sudoku

Place 1 to 9 in each row, column and jigsaw shape.

Place 1 to 9 in each row, column and jigsaw shape.

Extra Regions Sudoku

Place 1 to 9 into each added region, as well as row, column and box.

Place 1 to 9 into each added region, as well as row, column and box.

Samurai Star

Place 1 to 9 into each of the five tightly overlapping grids.

Place 1 to 9 into each of the five tightly overlapping grids.

Samurai Sudoku

Place 1 to 9 into all of the grids. This puzzle has extra regions too.

Place 1 to 9 into all of the grids. This puzzle has extra regions too.

Sudoku

Place 1 to 9 into each row, column and 3x3 box. Sizes can vary, like this example - e.g. 6x6, 12x12, 16x16.

Place 1 to 9 into each row, column and 3x3 box. Sizes can vary, like this example - e.g. 6x6, 12x12, 16x16.

Inequality Sudoku

Place 1 to 9 in each row, column and 3x3 box whilst obeying the inequality signs.

Place 1 to 9 in each row, column and 3x3 box whilst obeying the inequality signs.

Toroidal Sudoku

Place 1 to 9 into each row, column and wrap-around jigsaw area.

Place 1 to 9 into each row, column and wrap-around jigsaw area.

Skyscraper Sudoku

Place 1 to 8 in each Sudoku region whilst obeying the skyscraper clues.

Place 1 to 8 in each Sudoku region whilst obeying the skyscraper clues.

Masyu

Draw a loop through the circles, turning on black and going straight on white.

Draw a loop through the circles, turning on black and going straight on white.

Yajilin

Shade squares according to the arrows, whilst drawing a loop to fill the rest.

Shade squares according to the arrows, whilst drawing a loop to fill the rest.

Hanjie

Shade squares to fulfil the clues, revealing a hidden picture.

Shade squares to fulfil the clues, revealing a hidden picture.

Battleships

Find the set of ships in the grid, based on the clues.

Find the set of ships in the grid, based on the clues.

Nurikabe

Shade a continuous set of squares to form regions of the given sizes.

Shade a continuous set of squares to form regions of the given sizes.

Dominoes

Place a full set of regular dominoes into the grid.

Place a full set of regular dominoes into the grid.

Hitori

Shade squares so no number is repeated in a row or column.

Shade squares so no number is repeated in a row or column.

Kakuro

Place 1 to 9 into each empty square to give the stated sums.

Place 1 to 9 into each empty square to give the stated sums.

Sikaku

Draw rectangles of the given sizes, using every square once and once only.

Draw rectangles of the given sizes, using every square once and once only.

Killer Sudoku

Place 1 to 9 so each cage adds to the given total, and all Sudoku constraints are met.

Place 1 to 9 so each cage adds to the given total, and all Sudoku constraints are met.

Jigsaw Killer Sudoku

Each cage adds to the given total and all rows, columns and boxes contain 1 to 9.

Each cage adds to the given total and all rows, columns and boxes contain 1 to 9.

Slitherlink

Draw a single loop that neighbours each digit the given number of times.

Draw a single loop that neighbours each digit the given number of times.

Heyawake

Shade each room the given number of times, so no more than two walls can be seen from any viewpoint.

Shade each room the given number of times, so no more than two walls can be seen from any viewpoint.

Light Up

Place lights to illuminate all squares but no other lights.

Place lights to illuminate all squares but no other lights.

PivotPix

Find symmetrical shapes around each pivot to reveal a hidden picture.

Find symmetrical shapes around each pivot to reveal a hidden picture.

Kuromasu

Shade squares so that each clue number 'sees' the given number of squares.

Shade squares so that each clue number 'sees' the given number of squares.

Fillomino

Find a set of polyominoes that fill the grid without touching another of the same number.

Find a set of polyominoes that fill the grid without touching another of the same number.

Two-away Sudoku

Place 1 to 9 in each row, column and box whilst obeying the 2-away square joiners.

Place 1 to 9 in each row, column and box whilst obeying the 2-away square joiners.

Repeated Digit Sudoku

Place the set of digits in each Sudoku region, with some numbers repeated.

Place the set of digits in each Sudoku region, with some numbers repeated.

Killer Calcudoku

Calcudoku cages but with rows, columns and boxes as in Killer Sudoku.

Calcudoku cages but with rows, columns and boxes as in Killer Sudoku.

Gap Sudoku

Sudoku grids with gaps in, and regions that continue across them.

Sudoku grids with gaps in, and regions that continue across them.