Square1.25A square puzzle looks like a square1, but with one quarter of the square2. (1+1+1+2)/4 = 1.25.
Square1.5A different square (2+1)/2 = 1.5 Unlike the Square1 1/2 four of the broader pieces were split.
Square1.75A square puzzle looks like a square2, but with one quarter of the square1. (2+2+2+1)/4 = 1.75.
Square1/2A Square1 bandaged to have identically sized pieces.
Square2A modified Square1 where the corners are split into two pieces. A nonbandaged puzzle unlike the original.
Square3A Square2 with pieces which were further split up.
Square3 PlusA Square1, combining one layer of a Square1 and one layer of a Square2.
Square4The bigger brother of a Square2 with even more pieces. The Square4 is unbandaged so that moves are possible every 18°.
SquareequalA Square1 in which all pieces have equal size. Therefore it does not behave like bandaged puzzle.

