Sudoka plus

Sudoka is more than just another Sudoku app — it is a complete platform for fans of logic puzzles with advanced constraint-based challenges. Whether you are a beginner or an experienced solver, Sudoka offers endless possibilities through its constantly growing collection of puzzle variants.

Currently supported puzzle mechanics include:

• German Whisper — adjacent cells differ by at least 5

• Dutch Whisper — adjacent cells differ by 4 or 5

• Renban — consecutive digits in any order

• Parity — even/odd restrictions

• Entropy — low (1–3), middle (4–6), and high (7–9) digit groups

• Palindromes — palindrome lines

• Consecutive — consecutive digits along a path

• Modular Line — digits belonging to the same modulo class

• Region Sum Line — sum constraints based on regions

• Kropki Dots — black and white dots indicating ratio or consecutive relationships

• XV — adjacent digits sum to 5 or 10

• Arrow Sudoku — digits along an arrow sum to the circled cell

• Thermo Sudoku — digits increase along the thermometer

• Diagonal Sudoku — both main diagonals must contain the digits 1–9 exactly once

• Killer Cages — non-repeating digits with specified cage sums

Puzzles can combine multiple rules within a single grid, creating unique and highly engaging logical challenges. The number of available puzzles continues to grow over time, and new rule variants are added regularly.

Sudoka is designed to evolve alongside its community, ensuring that you will always have new puzzles to discover and solve.