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...

VISTA (QC-4)

Vista Puzzle Instructions The floor is divided in rooms, which are interconnected by doors. Some of these doors are open, while others ar...

DIALOGIX (QC-3)

DIALOGIX Puzzle Instructions Complete the grid by entering digits from the indicated range in the empty cells in such a way that each di...