The ghost cube is an exercise in making a 3x3x3 shape modification that is as challenging as possible while only allowing one solution. Misaligned layers, odd shaped pieces, and only one color all add to the challenge.
The Ghost Cube is a very challenging 3x3 shape mod that is a excellent addition to any collection. This variation of the Ghost Cube moves super smoothly and is easy to manipulate when solving. While there's only one color, the many different-sized pieces make the ghost cube a unique challenge.