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Sudoku articles

How to Play Sudoku: Rules, Setup, and Your First Solve Beginner rules / 14 min read How to Play Sudoku: Rules, Setup, and Your First Solve Learn rows, columns, boxes, notes, singles, common beginner mistakes, and a simple first-puzzle routine. Sudoku Strategy Roadmap: From Singles to Advanced Patterns Strategy roadmap / 16 min read Sudoku Strategy Roadmap: From Singles to Advanced Patterns A practical order for learning Sudoku strategy, from scanning and singles through candidates, pairs, box-line logic, and advanced pattern recognition. How to Solve Sudoku Without Guessing Logic solving / 15 min read How to Solve Sudoku Without Guessing Learn how to keep every Sudoku move logical, recover when stuck, and avoid the guess-and-check loop that creates mistakes. Pencil Marks in Sudoku: Candidate Notes That Actually Help Candidate notes / 15 min read Pencil Marks in Sudoku: Candidate Notes That Actually Help A practical guide to Sudoku pencil marks, candidate cleanup, Snyder notation, full notation, and note habits that reduce mistakes. Naked Singles and Hidden Singles: The First Real Sudoku Techniques Beginner technique / 14 min read Naked Singles and Hidden Singles: The First Real Sudoku Techniques Understand the difference between naked singles and hidden singles, how to scan for each, and how they power clean Sudoku solves. Killer Sudoku Rules: Cages, Sums, and the 45 Rule Killer Sudoku / 16 min read Killer Sudoku Rules: Cages, Sums, and the 45 Rule Learn Killer Sudoku rules, cage sums, no-repeat logic, combination thinking, and the 45 rule before playing ZUDOKU Killer mode. ZUDOKU Awards System Guide: How to Collect 500 Sudoku Awards Awards / 22 min read ZUDOKU Awards System Guide: How to Collect 500 Sudoku Awards A detailed guide to ZUDOKU's 500-award system, including beginner paths, Daily Dojo goals, PvP progress, mode mastery, and smart award planning. Sudoku Scanning Techniques: Rows, Columns, Boxes, and Digits Scanning / 14 min read Sudoku Scanning Techniques: Rows, Columns, Boxes, and Digits Learn practical Sudoku scanning routines that reveal singles before the grid becomes crowded with notes. Jigsaw Sudoku Strategy: How to Read Irregular Regions Jigsaw Sudoku / 14 min read Jigsaw Sudoku Strategy: How to Read Irregular Regions Learn how Jigsaw Sudoku changes region scanning and how to avoid carrying 3x3-box habits into irregular puzzles. Sudoku Speed Solving Without Rushing: Faster, Cleaner Boards Speed solving / 14 min read Sudoku Speed Solving Without Rushing: Faster, Cleaner Boards Improve Sudoku solve time by tightening recognition, not by guessing or tapping faster.

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