What difficulties does Master Grid include?

Choose Very Easy, Easy, Medium, Hard, or Hardest. Each level uses its own clue and difficulty profile.

Do I need an account for Master Grid?

No. The game works without an account and saves the current puzzle locally on this device.

Master

Hybrid Sudoku

Solve classic Sudoku while combining two compatible advanced constraint modules.

Puzzle setup

Select a difficulty to prepare your Master Grid adventure.

How this world works

Combine two advanced rule systems. Solve classic Sudoku while combining two compatible advanced constraint modules.