Online since 2002. The most comprehensive site for all around twisty puzzles.

Moving: Hole
NHL PuckLooks like a puck but is a three-layered moving-hole-puzzle.
Nedostaiushchee ZvenoThe soviet version of Missing Link.
Oginov TumblerThe 2011-version of the Cubedron. New company and improved product.

Olimpiada-80A moving hole puzzle with 4*6 tiles minus one hole. Commemorating the olympic games from 1980.
Olympic Winter Games in Sochi 2014A 2D sliding piece puzzle with 19 pieces, one hole and several bandages.
Oolong tea CanA cylindrical moving hole puzzle depicting a brand of japanese tea.

Orbo11 coloured spheres in 12 holes.
Outta GasA 3x4 slide puzzle with an elaborate outfit and twelve challenges.
Panex DuoA doubled version of the classic Panex with five columns and an empty one.

Panex GalaxyA redesigned version of the classic Panex with three columns and an empty one.
Panex JuniorA simplified version of the original Panex with two columns.
PantaBramA puzzle succeeding the PantaCube. It is a Cubedron where not all moves are possible.

PantaCubeA Cubedron working without gravity but as a moving hole puzzle.
Pepsi CanA tile-sliding puzzle with the shape and design of a Pepsi can. The sliding is somewhat shifted.
Pepsi Can (Chinese)A Chinese version of the Pepsi Can puzzle.


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