12 killer sudoku with answers

No numbers are given. Each dashed cage shows the total of its squares, and no number repeats inside a cage. Begin with the cages that can be made only one way. Solve on screen or print them with the answers.

Solve one on screen

Puzzle

Type a number in any empty square. Your numbers stay on this device.

12 puzzles · Killer sudoku with answers · answers included

Easy killer sudoku

1
Easy killer sudoku 1: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 31 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.
2
Easy killer sudoku 2: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 31 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.
3
Easy killer sudoku 3: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 31 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.
4
Easy killer sudoku 4: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 32 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.
5
Easy killer sudoku 5: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 33 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.
6
Easy killer sudoku 6: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 30 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
easy

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing. Start with the cages whose sum has only one set of numbers, then use what each cage allows together with the rows, columns and boxes.

Medium killer sudoku

7
Medium killer sudoku 1: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 28 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.
8
Medium killer sudoku 2: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 32 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.
9
Medium killer sudoku 3: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 32 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.
10
Medium killer sudoku 4: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 31 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.
11
Medium killer sudoku 5: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 33 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.
12
Medium killer sudoku 6: fill the grid so every row, column and 3 × 3 box holds 1 to 9 once. The numbers in each dashed cage add to its small total, and no number repeats inside a cage. No numbers are given.

A 9 by 9 killer sudoku grid with 31 dashed cages, each marked with its total, and no numbers given.

Solve it on screen
medium

Answer
Every row, column and box holds 1 to 9 once, and every cage adds to its total.
It solves with no guessing, but some steps need the rule of 45: every row, column and box adds to 45, so the squares left outside its whole cages add to the difference.

Timer and team scores

Seconds per turnTurns in the session

8 turns × 60 seconds = 8 minutes of play, plus instructions and breaks.

Pause whenever the group needs more time.

Teams

Team Lime's turn

Team Lime: 0

Team Violet: 0

Use this set with a group

Read a prompt, allow thinking time, then invite an answer or a pass. For a timed round, choose a turn length before starting. A host can keep the printed answers out of view until the round ends.

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