Shape shifting 2x3x3This is a 2x3x3 that allows 90°-turns on every face and can therefore change its shape drastically. These new shapes do not lead into new scrambling or solving techniques for the puzzle.
Shapeshifting 3x3x6A fully functional 3x3x6. The pieces are deliberately designed to be unproportional.
Sliding SSQ-1The successor of Tony Fishers sliding Pucks. 6 layers of tiles taken from various Super Square-1's.
Slim CubeA 3x3x3 forced into the dimensions of a Floppy cube and thereby changing its solving properties.
Special 2x3x3Looks like a 2x2x3 but it is an enhanced hexagonal prism.
Specter CubeA fully functional 3x4x4 built by Mr. Watanabe and presented by Mr. Okamoto
Split 1x2x5A 1x2x5 with eight additional cuts (all on one dimension) and therefore a lot more positions.
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.
SQ224A 4x4x4 in camouflage. In this case it has an extra twist.