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

2020
Flower copter octahedron plusThe Flower Copter Plus redesigned into the shape of an octahedron.
Flower copter skewb extremeA corner and edge turning cube that combines the cuts of the "Flower copter skewb plus v2" and the "Flower copter skewb stars"
Flower copter skewb starsThe flower copter stars plus skewb turns.

Flox CubeA scrambled an "axised" version of the cubic 3x3x5.
Fluvian Scout ShipAn Otter Cube with the shape of a Tetrakis Tetrahedron an painted with an Ufo-based scheme.
Four DigitsSeven pieces plus a gap form the digits 1-4. Unlike other varikon-like puzzles the pieces can be rotated.

Four-pointed starA star-like shape out of five tetrahedra with a hybrid axis system.
Fractal 2x2x2A 2x2x2 in a 2x2x2 in a 2x2x2.
Fractured Prism PlusA pentagonal prism that allows some 90° turns on the five sides.

FrankensteinA 2x2x2 redesigned into a head resembling of Frankenstein's monster.
Fruit Cube - OrangeA 3x3x3 in shape of an orange. One of four fruit-like puzzles.
Fruit Cube - PeachA 3x3x3 in shape of a peach. One of four fruit-like shapes.

Fruit Cube - PearA 3x3x3 in shape of a pear. One of four fruit-like shapes.
Fully Functional Siamese DominoTwo 2x3x3's fused into one puzzle with an exciting turns that allows exchanging of pieces between both halves.
Fuse Mirror ArmchairOne half of a Fused Cube implemented with a Bump Cube and an inverted block.


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