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How Rival Week works: challenge a friend to a week of puzzles
Choose four games each, compete on the same daily puzzles and follow a week-long head-to-head contest. Learn how to set up Rival Week on HubbardGames.
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There’s a reason
that move works.
Clear examples, useful techniques and practical guides for the daily puzzle league.
Rectangles · Solving guide
Rectangles tips: use factor pairs and clue exclusion
Solve a worked Rectangles example by listing factor-pair shapes, ruling out shapes that contain another clue, and using a forced rectangle to settle a 6.
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Sun & Moon · Solving guide
Sun & Moon: use matching pairs to force their neighbours
Learn a reliable Sun & Moon deduction: two matching neighbours force the opposite symbol at both open ends. Follow a six-cell row example, use an equals sign, and finish without guessing.
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Cross Sums · Solving guide
Kakuro tips: use crossing sums to find a forced digit
Solve a small Kakuro example by combining two crossing sums. Learn which digit pairs make 3 and 4, why repeats are forbidden and how one answer unlocks the next.
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More or Less · Solving guide
Futoshiki tips: use inequality chains to narrow the numbers
Learn how inequality chains reduce candidates in Futoshiki, called More or Less on HubbardGames. Follow a 4×4 example and see when a chain forces every number.
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Mini Sudoku · Solving guide
Mini Sudoku: find a forced number using a row and column
Learn how to combine row and column clues in 6×6 Mini Sudoku. Follow a small worked example, cross out impossible candidates and make a move without guessing.
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Bridges · Solving guide
Hashi beginner strategies: finding forced bridges
Learn Hashi (Bridges) with illustrated beginner strategies: neighbour capacity, forced single and double bridges, crossing limits and one connected network.
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Nonograms · Solving guide
Nonogram overlap explained, step by step
Learn the Nonogram overlap technique with a six-cell worked example. Find guaranteed filled squares, respect gaps and use row and column clues together.
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Slant · Solving guide
How to solve Slant puzzles without guessing
Learn Slant deductions with illustrated examples: zeros, full-capacity clues, satisfied numbers and the no-loop rule. Practise each technique on HubbardGames.
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