Sudoku: Case Files - Mystery

Tired of plain sudoku? In Sudoku: Case Files, every puzzle you solve brings you one step closer to the truth.

Sudoku: Case Files combines classic sudoku with a detective mystery story. You are a detective who has just opened a new agency. Starting with the case of a missing violinist, a city full of mysteries is waiting for you.

■ EVERY PUZZLE IS PART OF THE INVESTIGATION
Each case unfolds like a real investigation:
Briefing → Evidence → Deduction → Sudoku → Final Question → Arrest
Solve the sudoku to unlock the key clue, then use what you've found to answer the final question and catch the culprit.

■ 30 CASES, 3 CHAPTERS
- Solve a case to unlock the next one
- Every 10th case is a chapter finale
- Solved cases are kept in your Case Archive to revisit anytime

■ JUST WANT SUDOKU?
- Daily Challenge: a new puzzle every day. Keep your streak alive
- Free Play: pick your difficulty and play as much as you like
- Notes (pencil marks), undo and auto-save for comfortable play

■ GROW AS A DETECTIVE
- Levels, XP and coins
- Achievements and collections
- Stats for cases solved, accuracy and streaks

■ PLAY ANYTIME, ANYWHERE
- Play offline, no internet needed
- Progress is saved automatically
- Dark mode
- Available in English, 한국어 and 日本語

Perfect for sudoku fans, mystery and detective story lovers, and anyone looking for a short daily brain game.

The first case file is on your desk. Time to start the investigation, Detective.