Rules / Objectives Summary
- Complete the grid such that every row, every column, and every 3 x 3 block contains the digits from 1 to 9.
- Every cage has a little clue in the corner, and digits in each cage must add to the clue.
- A digit cannot appear more than once in a cage.
Note: if you see blank white squares in the puzzle, it's not loaded correctly. Please refresh the page to reload.
See the Basic Ideas and the Walkthrough below for extra tips and tricks, and don't forget that these are Sudoku-type puzzles, and the information on the Sudoku help page might help you as well.
What are the numbers for?
These tell you the sums of the digits in each cage, where a cage is a collection of two or more squares inside a dotted enclosure.
Click or move your mouse over the puzzle to see the answer.
This is the start of a section of a puzzle.
Solve this puzzle for yourself at the same time.
A 4 cage can only be solved using 1 + 3 (as 2 + 2 isn't allowed).
There are 4 cages entirely in the 3x3 block, and these 4 cages add to 4 + 10 + 15 + 14 = 43. We know that all nine squares of a block add to 45, therefore this square is <2>. The other square in the 5 cage is therefore <3>.
These squares can't be 1 + 9 (because the <1> belongs to the 4 cage), 2 + 8 or 3 + 7 (because of the 5 cage). Therefore these squares are 4 + 6.
These squares can't be 6 + 9 (because of the 15 cage), and are therefore 7 + 8.
Therefore these square are 5 + 9.
This section will hopefully help with the rest of the puzzle.
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