Online since 2002. Over 3300 puzzles, 2600 worldwide members, and 270,000 messages.

Moving: Tiles
AruslokyTwo rotating circles - very similar to the Cohan Circle puzzle.
Brams SquareA puzzle which combines intersecting plungers with rotations of large portions.
Bubbles in a planeA 2D-puzzle that works only because it was fudged and still it demonstrates jumbling.

Circle PuzzleNot a very clever name, but the puzzle looks okay!
Cohan CircleTwo intersecting circles. There exists a newer relative named Arusloky.
ComboSimilar in concept to a number of other puzzles.

Crossover puzzleA puzzle back from the early 1980s produced by Nintendo. It works with intersecting plunges and polarised light.
DiogenesThree layers, ten segments and an unusual mechanism.
Double DiskA puzzle with four rotating intersecting circles.

Dual CircleDual Circle - surprisingly enough is two interlocking circles - pieces move when the circles are turned.
Elemental:AluminiumA heart-shaped variant of Elemental:Fluorine with four additional pieces.
Elemental:ArgonAn enhanced version of Elemental:Beryllium-10

Elemental:Beryllium-10The third member of the series of Elementals. This time there are 4 plungers of which 2 are side by side.
Elemental:ChromiumThe holy grail of the Elemental-series.
Elemental:FluorineA very close relative to the Elemental:Neon from the same inventor.


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