Blog
Sudoku strategy, history, and puzzle solving tips.
The 7 Sudoku Solving Strategies, From Beginner to Expert
2026-05-17
Master scanning, naked pairs, hidden pairs, pointing pairs, X-Wing, swordfish, and chaining.
A Short History of Sudoku — From 18th Century to NYT App
2026-05-16
How Latin squares became Sudoku, why Japan made it famous, and how it conquered the world.
Sudoku vs Crossword — Which Daily Puzzle Is Better for Your Brain?
2026-05-15
Both train the brain in different ways. Here is what the research actually shows.
Why Sudoku Relaxes the Mind (And Scrolling Doesn't)
2026-05-14
The science of single-tasking, deep focus, and why a 10-minute puzzle beats 10 minutes of feed.
How Sudoku Puzzles Are Generated (and Why Some Are Unsolvable)
2026-05-13
A walkthrough of puzzle generation: filling, digging, and verifying uniqueness.