Get ready to solve!

A brand new 8 x 8 puzzle has been initiated and is ready for you to begin whenever you're ready. The timer will begin the moment you click the "Start This Puzzle" button, below.

This Puzzle's Statistics
Puzzle Size:	8 x 8
Puzzle Level:	Difficult
Average Time:	707 seconds

Rules of Play

You can use only the numbers 1 through 8 in this puzzle.
Each number must be used exactly once in each row and column.
The numbers in each outlined group must arithmetically equal its given formula.

Competition Timer

Forum
Records

New game board Posted by: Locke
May 4, 2026, 3:23 am

New game board Posted by: admin
April 30, 2026, 10:50 am

New game board Posted by: WKDJAN
April 29, 2026, 2:52 pm

New game board Posted by: WKDJAN
April 24, 2026, 10:36 am

New game board Posted by: WKDJAN
April 23, 2026, 3:03 pm

New game board Posted by: dubien01
April 17, 2026, 12:00 pm

G. Ubbedikoe set a new record of 82 seconds on puzzle #12708
July 5, 2026, 10:52 am
angelwhite set a new record of 37 seconds on puzzle #6362
July 5, 2026, 1:17 am
angelwhite set a new record of 85 seconds on puzzle #6524
July 5, 2026, 1:03 am
G. Ubbedikoe set a new record of 93 seconds on puzzle #12271
July 4, 2026, 5:41 am
G. Ubbedikoe set a new record of 63 seconds on puzzle #12315
June 30, 2026, 3:44 pm
WKDJAN set a new record of 143 seconds on puzzle #10620
June 30, 2026, 2:42 pm