VierzackAn Ultimate Skewb with uniform extension on four sides. Very similar to the Doppelkeil but independently invented.
Weighted Companion SkewbA shape a sticker variant of the skewb resembling an item from a computer game series calle Portal.
Wigwam SkewbA skewb in a shape resembling the namegiving tent.
World Skewb (228 mm)A giant skewb (fourfold edge length of the original skewb) with stickers customized after the pattern of Hexa World.
X-BlockA Skewb extended on two sides to give it twice the length.
X-Block SupremeThe concept of the X-Block applied two times to a skewb. A Skewb with looks as if one has fused two X-Block's.
ZonishA skewb in shape of a 50-sided solid.