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Solve each Java-based puzzle by swapping pairs of adjacent numbered tiles whose sum is a multiple of 3 or 5. Available for play online, or download.
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Play an ant that must collect apples, push stone blocks, catch butterflys, avoid deadly spiders, and exit each puzzle in this Java-based logic game. Offers multiple levels of play at three difficulty levels.
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Online game that displays a random choice of one of 15,000 different math puzzles. Six nested equations are shown with icons instead of digits. Find the digits to solve the puzzle.
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Determine the shape that doesn't fit in this series of ten visual logic puzzles. Solve all ten and get a top 5% brain award.
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Offers a new brain teaser each Thursday, plus archive of past puzzles.
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Online puzzle game in which the player must form lines of five or more color marbles to score points and enter the top 20 players list.
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Java game in which the player tries to score points by filling up 3 by 3 squares on a grid using tetris style pieces. Try to make the high scores list.
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Try to line up five matching colored chips for removal, while the computer adds extra chips to the board randomly after every move. Use strategic skills to play for high score in this online Java puzzle.
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Arrange the chain links in alphabetical order to solve this Java puzzle.
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Features online brain teaser puzzles in which the digits of a sum are replaced with letters or other symbols. Find the correct numerical digits for each letter to solve the puzzle.
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Online version of the classic Connect the Dots game. Offers a choice of pictures in categories that include people, buildings, and animals. Requires Shockwave plug-in.
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Java applet playing at one of three levels of difficulty, with variable board size.
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Hunt for information and clues in this mysterious online puzzle game designed to test the users initiative and knowledge.
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A game about feelings and intuition, the object is to make Facie smile with the least moves possible. Playable on the Web or mobile phone, and includes the ability to create a game for others to play.
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Try to place a set of colored fragments on a grid so that each column of the grid contains only one color in this online Shockwave puzzle game. May choose number of columns and colors to be played.
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An online version of a board game where you try to place all your pieces a hexagonal board. Play against the computer.
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Police interrogation logic puzzle. Must submit email address to receive the solution.
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Match pairs of cards in this memory game.
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Puzzle game in which the computer chooses a secret English word with five different letters. The object of the game is to use logic to try and guess that word through a process of elimination.
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Jump over peg to peg until there is one remaining peg, if you can.
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List of twenty classic puzzles and solutions.
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An online version of Tiger Toy's Lightsout Cube and links to other Lightsout puzzle sites.
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Solve the ancient puzzle where you have 4 black and 4 white counters in a line and a space in between them and you need to swap their positions.
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Hop one marble over another to remove all the marbles from the board in this online 3D logic puzzle game in Shockwave. Includes community message board.
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Try to guess the 4 letter word the computer is thinking of in no more than 10 tries.
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Try to remember a sequence of letters or numbers in this online test of memory skills. Offers regular or timed game versions.
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Multi-level series of puzzle challenges including cryptograms, logic, programming, and hidden puzzles. Includes message forum and Hall of Fame.
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Use logic to solve each jumbled word or phrase in this set of over 260 brain teaser puzzles.
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Offers free interactive logic puzzles including solutions and tips on how to solve brain teasers.
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Create, edit, and play Japanese Tsunami puzzles in black and white or color. Includes playable puzzles created by others, hints, and solutions.
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Manuever balls into green chutes to score points in this online puzzle game that is a test of physics and strategy skills. Complete levels by rebounding a ball into eight chutes before time runs out.
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A series of philosophical puzzles to challenge the mind.
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Click buttons to push shapes onto a checkerboard grid in this Flash-based puzzle game. Objective is to cover tiles with a piece of the matching shape. Offers 50 levels of increasing difficulty, and a high score list.
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Online memory game featuring multiple levels with increasing difficulty, plus a high score list.
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Escape the caves with as many diamonds as possible, while avoiding falling rocks and flying creatures in this free Java game.
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Roll eight half black and half white cubes around a 3 by 3 grid until you have reversed the colors.
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Goal is to remove all color tiles from the field, by removing connected groups of the same color tiles.
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Play to beat the clock in this online version of a paint-by-number puzzle in Java. Features a selection of categories and images.
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Online versions of Set and Quiddler mathematical and word card games. Features a daily puzzle and contest.
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Tidy up all the crates of mail.
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New version of the classic puzzle using row/column/quadrant permutations to display symmetries of graphic designs. Has link to a site on the underlying mathematics (Diamond Theory).
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Set or solve lateral thinking puzzles. Includes a selection of current and already solved puzzles.
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Solve math problems, brainteasers, word games and riddles. Featuring a selection of free puzzles to help develop problem solving and lateral thinking skills.
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Information about the internet's mystery game, The Stone.
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The object is to remove all but one ball from the triangular board in this Java-based solitaire puzzle. Play by jumping one ball over another ball to an empty spot on a choice of three boards.
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Labyrinth maze game. Tilt the board to place the squares on their targets.
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Free online jigsaw puzzles and games.
