SweetheartA modified 2x2x4 into the shape of a heart.
Swiss BumpA 3x3x3 with an unusual but regular shape and a tilted axis system.
TIE CubeA 3x3x3 resembling the TIE fighters from Star Wars. Due to its pieces shapes it implements a subgroup of the 3x3x3.
Tangram 2x2x2A 2x2x2 stickered with only two colors but still and identical number of permutations.
Tangram 3x3x3A 3x3x3 stickered with only two colors or only one if you do not count the bodies colors.
Tangram 4x4x4A 4x4x4 stickered with only two colors or only one if you do not count the bodies colors.
TerrorminxA Teraminx with a sticker scheme resembling the Cube Ultimate.
Tetra Pyramid 6x6x6A V-Cube 6 truncated like the Tetra Pyramid, similar to the Half-Truncated-Cube.
Tetrahedral Void SkewbA Void Skewb transformed into a tetrahedron but still with the holes from the Void Skewb.
Tetrakis Hexahedron 3x3x3It is a twenty-four sided puzzle made from an original 3x3x3 Rubik's cube. Named "Icositetrahedron" by the inventor. Aka "Sharp Edges 5A155D2EAA168"
Thai letter 2x3x3A beautiful 2x3x3-variant which shows letters and numbers from the creators native thai language.
Time Machine IIA 2x2x2 (bandaged into a 1x2x2) received 6 rings of a hexagonal prism.