Spax Cube(SP)herical (AX)is cube: An Axis Cube implemented with spherical cuts.
Special HexaminxThis one can be viewed as a Junior Truncated Dogic transformed into the shape of a hexahedron.
Spectre CubeA variant of the Ghost cube designed to have pairs of opposite pieces that are mirroring each other.
Spooky 1x2x3A 1x2x3 in shape of a cube with randomly oriented axis.
Sprout CubeA jumbling only puzzle with 16 axes, 4 of them doctrinaire.
Square 3DA unique combination of Square-1 and 2x2x2.
Square MixupA Square-1 where a 90°-move for the central square is a meaningful move.
Square-1The logo on this version is written in a different font.
Square-1 (sports)A Square-1 with stickers depicting Jesus performing in various sports.
Square-1 1/2A Square-1 with the smaller pieces split in halves.