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The puzzle free online library · 19 games

Learn a move.
Find your own flow.

Choose a game guide, a short challenge or a seasonal activity. Try an example and reveal only the hint you need.

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26 guides

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Free online puzzles: play without downloads

Compare free browser puzzles by goal, controls and starting difficulty. Choose a small logic board, number game or shape puzzle and start playing.

Collections · Practice · Explained answers
Seasonal practice

Free Halloween puzzles with hints and answers

Solve three original Halloween number and ordering puzzles. Reveal a small hint or a full explanation separately, then try a six-word crossword.

Collections · Practice · Explained answers
Seasonal practice

Christmas puzzles and a 24-day activity calendar

Try three Christmas logic puzzles with hints and answers, then use a 24-day activity plan linking to free browser games. No boxed calendar required.

Collections · Practice · Explained answers
Logic

Arrow Escape

Read the arrowhead first, then inspect its entire lane. A short scan is more useful than a quick guess, especially when Hard gives you one life.

Steps · Example · Strategy
Logic

Sudoku

Build a chain of small deductions. Start where the grid gives you the most information, and make each placement explainable.

Steps · Example · Strategy
Numbers

2048

A useful move does two jobs: it creates a merge and keeps the board organized. Protecting space matters more than taking every small merge immediately.

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Logic

Minesweeper

Treat each number as a small equation. Start with certain flags and safe reveals, then combine clues when one number alone is not enough.

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Memory

Memory Match

Attach a location to each symbol instead of memorizing a loose list of pictures. A simple row-and-column vocabulary makes recall easier.

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Spatial

Sliding Puzzle

Plan the blank’s route as carefully as the numbered tile’s route. The blank is the tool that lets you move a tile to its destination.

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Logic

Nonogram

Start with lines that have little room to move. Long runs and tightly packed groups give you deductions you can carry into crossing lines.

Steps · Example · Strategy
Spatial

One Line

Pick the endpoints before you pick the route. Counting connections often prevents a dead end before the first move.

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Spatial

Tangram

To solve this tangram puzzle, compare each piece with its numbered target, rotate it to the correct angle, and move it until it snaps. Use the square’s corners and long edges as landmarks. Easy begins with three placed pieces, leaving four to position.

Steps · Example · Strategy
Memory

Number Hunt

Search consistently, then tap decisively. Accuracy gives you a useful baseline before you try to reduce your time.

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Numbers

Make 24

Work backward from 24 before trying every operation. Familiar factor pairs suggest smaller targets you can build from the cards.

Steps · Example · Strategy
Numbers

Number Chain

Choose where the new number will land before choosing the whole chain. A good endpoint can set up the next merge immediately.

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Spatial

Maze Escape

Choose a route before racing through it. A short visual inspection of junctions can save a long walk down the wrong branch.

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Logic

Lights Out

Think in patterns of influence. Before clicking, picture the whole cross that will change, not just the light under your pointer.

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Logic

Color Flood

Look beyond the biggest immediate gain. A small connecting region can lead to a much better second move.

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Spatial

Peg Solitaire

Keep pegs connected enough to help remove one another. The shortest-looking local move can strand a distant peg for the rest of the puzzle.

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Logic

Codebreaker

Use each guess to test a specific possibility. Keep all previous feedback in play; a new theory must explain the old rows too.

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Arcade

Snake

Plan a route to the food and a route away from it. Reaching a food square is only useful if the longer snake can leave safely.

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Logic

Four in a Row

Check for immediate wins and losses before building a longer plan. A promising attack is irrelevant if the computer can win on its next turn.

Steps · Example · Strategy

Written for the games you can play here. Rules and controls may differ from other editions.