Fake TuttminxClaims to be a tuttminx but has 42 faces instead of 32.
Fancy StoneA Square-1 (more precise: star prism) transformed into a "Half Truncated Elongated hexagonal Dipyramid".
Fire Dragon BallA Pyraminx Crystal truncated into the shape of a truncated icosidodecahedron which is a archimedean solid.
Flattened JewelA 3x3x3 truncated on five corners but still with a high degree of symmetry. One of the rare shapes with eleven sides.
FluoriteA Master Skewb in shape of a Tetrakis hexahedron which is a catalan solid. Additional shallow cuts were added as well to make the four-fold corners turn.
FudballThe dodecahedral cousin of the Doctor Skewb.
FudgidronA face turning chamfered cube. A fudged puzzle.
FuttminxThe "fudged" cousin of the tuttminx which allows more movements.
Geared KitesA shape variant of the Geared Mixup. It preserves its shape while turning.
Gemstone IIA jumbling only axis system that seems to be a deepcut face turning octagonal dipyramid.