OctaBallPrismAn almost spherical octagonal prism with three layers.
OctoAqua globe with silver continents. There are no embossments on the surface.
Offset HexAn offset version of Minimal Hex that makes six triangles disappear.
Offset OctaA puzzle related to Minimal Octa reimplementing Star Trap in a minimalistic way.
OneWorld by JD EdwardsA sphere with mechanism of a skewb which advertises a software from turn of the century.
Opusball - ConstellationsA remade equator puzzle. This variants shows the (western) zodiac symbols on the twelve middle pieces.
Opusball - ZodiacA remade equator puzzle. This variants shows the chinese zodiac symbols on the twelve middle pieces.
Other 4x4x4 (aka Puzzle 19)Designed to be a 4x4x4 with exposed new theoretical pieces. Although it has 64 pieces it presents itself as a superset of the 3x3x3.
Penta MysteryA hollowed sphere with a 5-fold-symmetry. Another entry in the series that started with Rocket Twist.
PentaballA pentagonal prism in shape of a sphere.