Online since 2002. The most comprehensive site for all around twisty puzzles.

Intersecting circles
Pocket GeraniumA smaller version of Geranium with three circles in different distances.
Pocket Quatrium PlusThree intersecting circles, rotatable in four steps.
Pocket TetrakiumFive intersecting circles rotatable in four steps with intersections deeper than usual.

Pop and TwistA 2D-puzzle with six axes of rotation and only three orbiting parts per axis.
Pop and Twist 12 ColorA 12 color version of the original Pop and Twist.
Prismatic WheelOne circle with 180° and one with 45°.

Prismatic Wheel PlusOne circle with 120° and one with 45°.
ProcyonTwo intersecting circles rotatable in five steps of unequal angle.
Puzzle Avenger (asian version)This Puzzler was made in Taiwan (not for sale in the U.S.A.)

Puzzler - AvengerRotate each half to scramble or return colours. The most difficult of the three versions.
Puzzler - ChallengerRotate each half to scramble or return colours. The variant with medium difficulty.
Puzzler - Engel's EnigmaOne of the lesser known version of Douglas' Engels Puzzlers.

Puzzler - Engel's IslandOne of the lesser known versions of Puzzler by Douglas Engel.
Puzzler - FlowersOne of the lesser known versions of Puzzler by Douglas Engel.
Puzzler - NoviceCreate a solid blue circle to solve. The simplest of three different versions.


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