Coloring is a single-digit solving technique that uses colors to mark the parity of candidates.
Although it is an advanced solving technique, many player know how to use it because it is supported by the popular Simple Sudoku program.Simple Colors
Uses only 2 colors to form a single color cluster.
Multi-Colors | Supercoloring
Uses multiple colors (4, 6 or a higher multiple of 2) to form multiple color clusters.
Extends Simple-Colors by the use of hinge linkages.
Uses only 2 colors, but also takes the implications for each color into account.
A technique that uses a single cluster to eliminate candidates outside the cluster.
A technique that uses a single cluster to detect a contradiction in one of the colors.
A technique that uses multiple clusters to eliminate candidates outside these clusters. Same as Multi-Colors.
3D Medusa Coloring | Advanced Coloring
A set of techniques that uses colors on multiple digits.
- Sudoku 9981
- Samurai Sudoku
- Sudoku Printer
- Word Sudoku to Learn English
Word Sudoku to Learn Chinese
Word Sudoku to Learn French
Word Sudoku to Learn German
Word Sudoku to Learn Spanish
- Chains and Loops
- Single Digit Patterns
- Almost Locked Sets