Split 1x2x3 IIIA 1x2x3 with split edges. The concept of Square-1 turned upside down.
Split 1x2x5A 1x2x5 with eight additional cuts (all on one dimension) and therefore a lot more positions.
Split 1x3x4A 1x3x4-cuboid with two set of pieces split up.
Splitted 2x2x4A Masterball transformed into a fully proportional 2x2x4.
Spooky Windmill TowerA 3x3x3 shapemod which looks like a windmill cube but has swapped faces so that one face needs to be turned before the others are able to move.
Square-1.25A square puzzle looks like a square-1, but with one quarter of the square-2.
(1+1+1+2)/4 = 1.25.
Square-1.5A different square (2+1)/2 = 1.5
Unlike the Square-1 1/2 four of the broader pieces were split.
Square-1.75A square puzzle looks like a square-2, but with one quarter of the square-1.
(2+2+2+1)/4 = 1.75.