Online Puzzles
Below is a list of some fun online logic-based games along with their descriptions. Click on the title or left side logo to open the site.
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KenkenLogic puzzle that requires you to fill numbers into a grid according to conditions. Size of puzzle and level of difficulty can be modified.
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Set PuzzleIdentify sets of 3 cards from the 12 cards shown. A set must have 3 cards all with the same or all with different characteristics. The characteristics are shape, colour, number and shading. You must find six sets in as little time as possible.
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MastermindCode-breaking game where the object is to guess the pattern, in both order and color, within ten turns. Each guess is made by placing a row of code pegs on the decoding board. Subsequent guesses are modified based on feedback.
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SudokuEvery Sudoku has a unique solution that can be reached logically. Enter numbers into the blank spaces so that each row, column and 3x3 box contains the numbers 1 through 9.
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Trap the CatClick on the light green circles to try and trap cat. You alternate turns with the cat who moves to an adjacent circle each time. You need to completely surround the cat before it can escape.
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QuartoThe game is made of a 4x4 square board and of 16 different pieces, each of which has 4 attributes. The aim is to line up 4 pieces with the same attribute. The alignment can be horizontal, vertical or diagonal. The first player chooses a piece for his/her opponent who places it on the board. Then the opponent selects a piece for the first player to put on the board, and so on...
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Krazydad Interactive PuzzlesThousands of free interactive sudoku and logic puzzles. Solve in your web-browser, or on an iPad, Kindle Fire or Android tablet.
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