Sudoku Articles & Guides

Browse all Sudoku articles, guides, strategies, and tips to improve your puzzle-solving skills at every level.

Puzzle Types

Killer Sudoku Explained: Rules, Cage Logic & How It Differs from Classic Sudoku

Killer Sudoku adds sum-based cages to the classic grid, creating a uniquely challenging puzzle type. Discover the rules...

Feb 14, 2025 3 min read

Puzzle Types

Bored of standard Sudoku? Explore exciting variants like Samurai, Diagonal, and Hyper Sudoku — how each one works and...

May 20, 2025 4 min read