FRAME SUDOKU (QC-53)

FRAME SUDOKU Puzzle Instructions Place digits in the given range in the grid such that every row, column, and boldly outlined box contai...

Cave (QC-46)

Cave Puzzle Instructions Draw a single loop in the grid along the side of the cells to represent a cave. The border of the cave can’t ...

STAR BATTLE (QC-44)

STAR BATTLE Puzzle Instructions Place given number of stars in the grid so that no two stars touch each other, not even diagonally. Ever...

DUTCH LOOP (QC-38)

DUTCH LOOP Puzzle Instructions Draw a loop (closed path) passing through every cell in the grid exactly once. The loop must take a 90 de...

Palindrome (QC-32)

Palindrome  Puzzle Instruction Fill some cells with A, B or C so that every row and every column contains a palindrome (i.e. a sequence ...

THERMOMETERS (QC-29)

THERMOMETERS Puzzle Instructions The thermometers in the grid all have their own level of mercury.  Mercury always flows from the rou...

DARTS (QC-26)

DARTS Puzzle Instructions Use all the darts to score the given target exactly. No section of the board may be hit more than once. ...

MASTERMIND (QC-25)

Mastermind Puzzle Instructions Try to find out the correct series of letters with the help of the information given by the black and whi...

ARROWS (QC-24)

Arrows Puzzle Instructions Draw arrows in the squares around the large square. Each square has one arrow and each arrow points to at lea...

MAGNETS (QC-21)

Magnets Puzzle Instructions The grid is made up of magnetic and non-magnetic plates. Each magnetic plate has two halves: one positive (+)...

H2O (QC-19)

H2O Puzzle Instructions There are a number of molecules of water (H2O) in the grid, composed of two atoms of hydrogen (H) and one atom of...

Elastic Bands (QC-13)

Elastic Bands Puzzle Instructions Pegs are placed in a circle like the numbers on a clock. The pegs are connected to each other with ela...

Pipe Work (QC-11)

Pipe Work Puzzle Instructions All hubs are interconnected by pipes. The number on each hub indicates the number of pipes coming together...

ABCD (QC-9)

ABCD Division Puzzle Instructions Divide the grid into sections of four horizontally or vertically connected squares. Each section conta...

Kakuro (QC-8)

Summo or Kakuro Puzzle Instruction Fill the grid with series of digits (one digit per cell), which add up to the number in the shaded cl...