Gear GeraniumThree circles intersecting like the puzzler. The outer two are connected with a gear meachanism.
Gear Octagonal PrismAn Octagonal Prism with three layers with the turns between the layers connected by gears.
GeraniumFive intersecting circles cut with 5-fold symmetry imposing unprecedented theoretical challenges.
Geranium ButterflyA version of Geranium with six circles in a line-like pattern similar to the olympic rings.
Geranium WA bigger version of Geranium with twentyone circles in a flower-like pattern.
Gerdig UFOSpin the top/bottom half to mix the satellites, then use the central plunger to flip one, two, three or four satellites over.
Gizmo GearsA puzzle with two intersecting circles and bandaged pieces. Produced in low quantity in four different variants.
Go RoundTen pieces on two parallel plungers plus one big circle.
GretaVexA sticker variant of the Gripple. Made to make the puzzle more difficult.
Grid Slider 5A sliding block puzzle of five tiles retained within a cross track and a square ring.
GriddleA sticker variant of the Gripple. Made to make the puzzle more difficult.
GrippleAn uncommon puzzle produced in Hong Kong.
GrizziA sticker variant of the Gripple. Made to make the puzzle more difficult.