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Charles Sandfield
Charles Sandfield is the technician and content provider for Delta Software. He loves puzzle game, and always writes easy-to-read instructions to share them with beginners.
No headings found

Charles Sandfield is the technician and content provider for Delta Software. He loves puzzle game, and always writes easy-to-read instructions to share them with beginners.
This guide is about how to solve a Rubik's cube in 20 moves, providing specific steps and facts about solving cubes in 20 moves.
New to the 4x4 Rubik's Cube? This beginner-friendly guide walks you through everything you need to know, from understanding the cube's structure.
This article introduces the biggest Rubik's cube in the world, including the affordable one, the world record, and the simulated one.