Erik Akkersdijk solving a 3×3×3 Rubik's Cube in 10.50 seconds. A speedsolver completing a 3×3×3 Rubik's Cube. Speedcubing (also known as speedsolving) is the activity of solving a variety of twisty puzzles, the most famous being the Rubik's Cube, as quickly as possible. For most puzzles, solving entails performing a series of moves that alters a scrambled puzzle into a state in which every face of the puzzle is a single, solid color.