The numbers on the side and bottom of the grid indicate occupied squares or groups of consecutive occupied squares in each row or column. Can finish the grid so that it contains three Cruisers, three Launches and three Buoys and the numbers tally?
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Psycho Games
Synaptic Puzzles to enhance mental flexibility.
Read MoreBridges
Connect the islands up so that they have the number of bridges shown.
Read MoreBattery Pack
Each rectangle contains either a battery with a positive (+) and negative (–) pole OR a dud wooden block which does nothing. The numbers along the top and left indicate how many positive poles there are in that row or column; likewise for the other numbers showing the number of negative poles.
Read MoreBaker Street Puzzle Strip
A detective cartoon strip incorporating a taxing problem, based on the tales of Sherlock Holmes by Conan Doyle.
Read MoreKnot Puzzles
Entertaining and perplexing rope puzzles.
Read MoreMatchstick Puzzles
Gianni, founder of Archimedes' Lab Project™ has written an extensive collection of books in several languages on brain training, critical thinking, visual art, and on the mechanism of vision.
Read more at: https://www.giannisarcone.com/
More Logic Puzzles
Par Four
You have four shots in which to get your golf ball upwards from the tee to the hole. Choose one each from the Drive, Iron, Chip and Putt selections. Each shot goes straight from the starting to finishing square. Only one combination will get you in the hole and you may never land o the grid, in a tree or in a bunker.
Read MoreLatin Square
Complete the grid so that every row and column, and every outlined area, contains the letters A to G.
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