🧩📢 Announcing the Double Choco Delight Contest! 📢🧩

Get ready for a month of challenging fun with the Double Choco Delight contest, featuring puzzles crafted by Anurag Sahay! This contest will run for a full month, delivering one new Double Choco puzzle each day.

🔸 Dates: One puzzle daily, for the entire month starting November 1st
🔸 Puzzle Creator: Anurag Sahay
🔸 Winner’s Title: The top solver will earn the title of Double Choco Chef!
Join us for 30 days of strategic and satisfying puzzles, and see if you have what it takes to master the Double Choco challenge. Happy solving! 🍫🧩

Top rating improvement of the month
NDChien 409
SCORPPROCS 256
dead0ne 237
yusinv 218
NUZ 207
Leagues leaders
kawatea 29
IHNN 29
shraeye 29
Matthew White 29
akio 27

The puzzle below is a current daily puzzle. This puzzle is competitive - you have to register to solve it and participate in the daily competition. To register click Login link in the top right corner.

You can use the scores page to see the results of other competitors for this puzzle.

All the puzzles from the previous days are available at our archive page. Puzzles which are older than 5 days do not affect the score table and can be attempted without registration.

Pair Sum Sudoku

Author: Gadji

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Do you want to restart the puzzle? All progress will be lost!

Do you want to revert solving progress to the savepoint?

Congratulations! The puzzle has been solved correctly!!

Fill in the grid with digits from 1 to 8 putting one digit per a cell. Each row, column and outlined area should contain every digit exactly once. Numbers at the grid edges show the sum of two neighboring digits.

Example puzzle

Grid control: Click at a cell reveals the value chooser. Click at the selected value changes the state of the cell. More details about grid control are at the help page.