What difficulties does Detective Mystery include?

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

Do I need an account for Detective Mystery?

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

Thinker

Kropki Sudoku

Kropki dots reveal consecutive or double-value neighbors alongside classic Sudoku rules.

Puzzle setup

Select a difficulty to prepare your Detective Mystery adventure.

How this world works

Use clue dots to crack the case. Kropki dots reveal consecutive or double-value neighbors alongside classic Sudoku rules.

Thinker

Kropki Sudoku

Kropki dots reveal consecutive or double-value neighbors alongside classic Sudoku rules.

Puzzle setup

Select a difficulty to prepare your Detective Mystery adventure.

How this world works

Use clue dots to crack the case. Kropki dots reveal consecutive or double-value neighbors alongside classic Sudoku rules.