Variants
Beyond Classic: how Killer, Kakuro, and other cousins change the constraints and the kind of thinking each one rewards.
Which variant suits which mood
How classic, Killer, and Kakuro fit different brain states and energy levels — and why having three means you always have one that fits.
5 min read
Meet Kakuro
An introduction to Kakuro — what it is, how it differs from Sudoku, and why people who like number-logic puzzles often end up preferring it.
4 min read
Meet Killer Sudoku
An introduction to Killer Sudoku for someone who knows the classic version — what changes, how the experience differs, and where to start.
4 min read