The Custom Quadoku Puzzle

Custom Quadoku is a Frequency Puzzle played on a square board with nine rows, nine columns, and thirteen 3 x 3 sub-squares regions.

The Custom Frequency Square Puzzle

Custom Frequency Square is a Frequency Puzzle played on a square board with rows and columns as regions.

The Custom Focus Puzzle

Custom Focus is a Frequency Puzzle played on a square board with eleven rows, eleven columns, and four sectors as regions.

The Quadoku Ripeto Puzzle

Quadoku Ripeto is a Frequency Puzzle played on a square board with nine rows, nine columns, and thirteen 3 x3 square sectors as regions.

The Custom Dantly Puzzle

Custom Dantly is a Frequency Puzzle played on a square board with eleven rows, eleven columns, and six sectors as regions.

The Custom Lotus Puzzle

Custom Lotus is a Frequency Puzzle played on a lotus-shaped board with seven wreaths and fourteen spiral arms as regions.

The Orb Ripeto Puzzle

Orb Ripeto is a Frequency Puzzle played on a spherical board with eight meridinas, eight parallels, and eight curved rectangular sectors as regions.

The Custom Choc Puzzle

Custom Choc is a Frequency Puzzle played on a square board with eight rows, eight columns, and eight rectangular sectors as regions.

The Custom Life Puzzle

Custom Life is a Frequency Puzzle played on a circular board with circles as regions.

The Custom Orb Puzzle

Custom Orb is a Frequency Puzzle played on a circular board with eight meridians, eight parallels, and eight curved sectors as regions.

The Latino Puzzle

The Latino Puzzle is a Latin Puzzle based on Latin squares. Latin squares were studied by XVIIIth century Swiss mathematician Leonhard Euler, who used latin letters instead of numbers, hence the name. In a Latin square puzzle every row and every column must contain all numbers from 1 to 9.

The Latino Puzzle is kindly dedicated to Prof. Raúl M. Falcón Ganfornina, Spanish expert in Latin squares.