Puzzler-6A key-ring-sized version of Whip-It. It has three layers and a hexagonal shape.
Rainbow CanEasier than the other tiled cans since there is no difficult pattern to find and the pieces of the same color are interchangeable.
Rainbow ShuttleA cloned version of "Tower of Babylon" with a body colored in shades of grey. A black versions exists too.
RanzhirAn implementation of Tower of Hanoi with eight pieces.
Ringan - BirdsAnother version of the Ringan. This one features mostly birds and two ground animals.
Ringan - FlowersAppears to have six columns of tiles, half three tiles long, the other half four tiles long.
Rota CubesThree cubes in a tetrahedral case. With every move they not only change position but also orientation.