Gear SnakeFour 2x2x2s connected to each other with several gears. These force the 2x2x2s to move together.
GearboxFive cog wheels on one axis turned with different step widths every turn.
Ghost ClockA customized version of Rubik's Clock inspired by the Ghost Cube.
GorgonA puzzle based on the Petersen's Graph.
GrydlockA crazy lock with 10 intersecting notched bolts. The object is to slide all bolts to the open position.
HexClockA Rubiks Clock with a different configuration.
Horoscope puzzleA very strange and very rare puzzle with flipping petals and zodiac based theme.
Houlis CubeA puzzle which is based on the fourth dimensional symmetry 4D polytope known as hexadecachoron (or 16-cell).
Jugo ClockTwelve rotatable and flippable petals. Three of them are flipped at once.
Jugo FlowerA very rare puzzle in the tradition of "Lights Out".