ThinkyPlay
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Puzzle Guides

Strategy and how-to articles for 53 free ThinkyPlay puzzles — techniques, common mistakes and fast-improvement tips written by logic-puzzle fans.

Sudoku

Sudoku

Sudoku Strategy: From Scanning to X-Wing

A practical ladder of techniques — scanning, hidden singles, naked pairs and X-Wing — that solves any ThinkyPlay Sudoku without guessing.

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Nonogram

Nonogram

Nonogram Tips: Read Runs and Find Forced Cells

Learn how to solve Picross-style Nonograms with logic — edge runs, forced cells, overlap and empty-cell marking — no guessing required.

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Kakuro

Kakuro

Kakuro for Beginners: Sums Without Repetition

A gentle Kakuro how-to: read cross-sum clues, learn fixed digit sets, start from small totals and keep notes that respect every run.

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Logic

Logic

How to Solve Logic Puzzles: Grid, Zebra and Tents

A universal deduction method for clue-driven puzzles: anchor, cross out, propagate.

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Solitaire

Solitaire

Solitaire Tips: Win More Klondike Games

Klondike strategy that actually raises your win rate: dig for face-down cards, sequence foundations late, and use empty columns and the stock wisely.

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Mahjong

Mahjong

Mahjong Solitaire Tips: Free Tiles and Planning

Mahjong solitaire strategy for clearing more boards: spot truly free tiles, remove pairs that unlock others, and know exactly when to reshuffle.

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Minesweeper

Minesweeper

Minesweeper Strategy: Read Numbers, Clear Safe Ground

A practical Minesweeper method for all three difficulties: safe starts, reading numbers, edge and 1-2-1 patterns, confident chording and mine-count endgames.

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FreeCell

FreeCell

FreeCell Strategy: Plan With Free Cells and Columns

How to win FreeCell: every card is face up, so plan first. Master the carrying-capacity rule, park blockers in free cells and turn empty columns into movers.

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KenKen

KenKen

How to Solve KenKen: Cages, Arithmetic and Logic

A step-by-step KenKen method for 4x4, 6x6 and 9x9 grids: anchor locked digits, turn targets into pair lists and order cages with the Latin square.

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Killer Sudoku

Killer Sudoku

Killer Sudoku Cages: Sums, 45s and Combinations

Master Killer Sudoku cages: obey the Sudoku lines, memorise the one-way totals, and use the 45 rule on rows, columns and boxes to find hidden cells.

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Light Up

Light Up

Light Up (Akari) Strategy: Tips and Solving Techniques

Learn Light Up (Akari) techniques: count a wall's neighbours, exploit zero walls, keep one lamp per corridor, and chase forced lamps in dark pockets.

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Skyscrapers

Skyscrapers

Skyscrapers Strategy: Skyline Clues and Solving Tips

Learn Skyscrapers strategy: what skyline clues actually count, why clue 1 and clue n are anchors, and how to split each line around its tallest tower.

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Hashi

Hashi

Hashi (Bridges) Guide: How to Solve Island Bridge Puzzles

Hashi how-to: treat every island number as a bridge budget, force singles and doubles, count remaining capacity, and keep every island in one connected network.

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Slitherlink

Slitherlink

Slitherlink Guide: Loop Logic, Corner Clues and Solving Tips

Slitherlink solving techniques: the dot-degree rule, zero cells, corner-clue reads, side budgeting, and growing one honest loop with no stranded loose ends.

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Brain Training

Brain Training

Remember More Digits: A Number Memory Guide

Train your digit span with Number Memory: learn why adults plateau around five to nine digits and how chunking and rehearsal push you higher.

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How Reaction Time Works and How to Improve It

Understand the science behind reaction time and learn how to post a fair, fast average in the ThinkyPlay Reaction Test.

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Schulte Table Training: Find Numbers Faster

Train your visual search with the Schulte Table: master central gaze and lookahead habits to finish 4x4, 5x5 and 6x6 grids faster.

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Stroop Effect Guide: Name the Color, Not the Word

Name the ink color, not the word. Learn why the Stroop effect trips up fluent readers and how to raise your 30-second score.

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References

Reference

How ThinkyPlay Generates Fair Puzzles

The unique-solution engine behind every grid puzzle — constraint solvers, live generation and curated pools.

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Puzzle Sizes & Difficulty Chart

Every game’s sizes, levels and daily availability in one table.

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