A fresh case every day
Return to the manor for a free daily puzzle and compare your solve with detectives worldwide.
MurderokuSix guests entered the manor. One was alone with the victim. Place the suspects, follow the evidence, and expose the truth in a puzzle of pure deduction.

Blackwood Manor · 11:47 PM
The premise
Murderoku blends the satisfying structure of a Sudoku-like board with the atmosphere of a Victorian whodunit. No guessing. No hidden rules. Every case can be solved from the testimony in front of you.
How to play
Three steps stand between you and the truth.
Each statement reveals where a guest—or a telling object—could be found.
Place suspects on the manor board and use every clue to rule out contradictions.
Find who shared the victim’s room when the crime took place. Make your accusation.

BLACKWOOD CONSTABULARY
The case book
Begin with gentle cases, sharpen your method, and work toward the manor’s most elaborate deceptions. The first five cases are open; the full case book is ready when you are.
Beyond the board
Build a daily ritual, call on friends, and see how your deductions measure up.
Return to the manor for a free daily puzzle and compare your solve with detectives worldwide.
Work through a full collection of handcrafted mysteries, from gentle introductions to devious deductions.
When the trail goes cold, layered hints nudge your reasoning forward without giving the culprit away.
Climb the ranks, join friends by calling card, and earn your place on worldwide and friends leaderboards.

Today’s case is waiting
Download Murderoku for Android and open your free daily mystery.