Nova Sudoku

SUDOKU VARIANT

Play Diagonal Sudoku online

Both main diagonals must also contain 1–9 exactly once.

01

Rule

Classic rules apply, and digits cannot repeat on either long diagonal.

02

Training focus

Adds intersecting constraints and multidirectional scanning.

03

Difficulty

Easy, Medium, Hard, Expert, Master and Extreme.

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Play free Sudoku across 8 variants and 6 difficulty levels, join daily challenges, race friends and print A4 puzzle packs.

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