Event HorizonA Square-1 in midturn transformed into a piece of art.
Fancy StoneA Square-1 (more precise: star prism) transformed into a "Half Truncated Elongated hexagonal Dipyramid".
Fluvian Scout ShipAn Otter Cube with the shape of a Tetrakis Tetrahedron an painted with an Ufo-based scheme.
FT-1A Square-1 non-regular truncated on all corners.
Get back to Square-1An american based version of the Square-1. It distinguishes itself from the other variants because it was sold in scrambled state.
Greenhill's 1Another beautiful Square-1 mod by Anthony Greenhill.