What difficulties does Space Mission include?

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

Do I need an account for Space Mission?

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

Explorer

Diagonal Sudoku

Place 1–6 without repeats in rows, columns, regions, and the highlighted diagonals.

Puzzle setup

Select a difficulty to prepare your Space Mission adventure.

How this world works

Diagonal Sudoku across the galaxy. Place 1–6 without repeats in rows, columns, regions, and the highlighted diagonals.

Explorer

Diagonal Sudoku

Place 1–6 without repeats in rows, columns, regions, and the highlighted diagonals.

Puzzle setup

Select a difficulty to prepare your Space Mission adventure.

How this world works

Diagonal Sudoku across the galaxy. Place 1–6 without repeats in rows, columns, regions, and the highlighted diagonals.