Murder Sudoku: Tiny Crimes

Overview
Murder Sudoku: Tiny Crimes is a free puzzle game for Android by MrKnoot that turns a sudoku grid into a murder mystery. Each case is a small crime scene: a grid of rooms holding a victim, a handful of suspects and a set of clues. Your job is to place everyone correctly and name the killer. Released on 6 June 2026, the game has earned a 4.7-star rating from more than 2,400 reviews on Google Play and has passed 50,000 downloads. Version 1.23.0, updated on 6 November 2026, adds a new Snowfall Park casebook. It is rated Everyone, runs on Android 8.0 and up, and can be played fully offline. The game is also available on Windows through Google Play Games.

Gameplay
A case starts with a grid and a list of clues. No two people can share a row or a column, every clue is true, and each case has exactly one solution. You read the clues, work out who must go where, and use pencil notes to keep track of your theories as the picture comes together. There is no guessing: every case can be solved by reasoning alone. Cases range from gentle warm-ups to fiendish expert mysteries, so the difficulty grows as your detective skills do. A Daily Challenge serves one fresh case every day, and a global leaderboard ranks detectives around the world. The hand-illustrated scenes are cozy rather than grim, with suspects, rooms and props drawn in a warm, cartoon style, so the mysteries feel charming instead of dark.

Features
Hundreds of whodunit cases are spread across several casebooks, including the new Snowfall Park set, and new casebooks arrive with updates. A fresh Daily Challenge appears every day, with a global leaderboard for players who want to compare their detective work. Pencil notes let you track suspects and theories as a case comes together. Every puzzle has a single solution and can be solved by pure logic, with no guessing required. The crime scenes are cozy and hand-illustrated, full of suspects, rooms and props. The game plays fully offline, so cases can be solved anywhere without a connection. It is free to download, with a one-time purchase to remove ads and no subscription.

Tips for new players
Start with the clues that mention a single person or a single room, since those pin down a placement fastest. Use pencil notes from the very first case: writing down who cannot go in a cell is often more useful than guessing who can. When you are stuck, re-read every clue instead of staring at the grid; a clue you dismissed early often rules out a whole row once other suspects are placed. Work through the warm-up cases before touching the expert ones, so the rules become second nature. Try the Daily Challenge once you are comfortable with the basics. It follows the same rules with a fresh puzzle each day, and the leaderboard gives you a way to measure your progress against other players.

Pros and cons
Pros: free to download and play; every puzzle is solvable by pure logic with no guessing; hundreds of cases plus a daily challenge; a global leaderboard adds a competitive reason to return; works fully offline; a single one-time purchase removes ads, with no subscription to manage; warm, hand-drawn art and a strong 4.7-star rating from players.
Cons: ads appear between levels, and some reviewers describe them as long; in-app purchases range from $0.99 to $39.99; earlier reviews criticised the hint system, although the developer has responded that it is now fixed; the leaderboard needs an internet connection, so it is unavailable while offline.

FAQ
Is Murder Sudoku: Tiny Crimes free?
Yes. The game is free to download and play on Android. It contains ads, which appear between levels, and offers a one-time purchase to remove them. There is no subscription, and extra purchases range from $0.99 to $39.99.

Can I play it offline?
Yes. The game works fully offline, so you can solve cases anywhere without a connection. You only need the internet for the global leaderboard.

Do I need to know sudoku to enjoy it?
No. The rules are simple: no two people share a row or column, every clue is true, and each case has one solution. The early cases are gentle warm-ups that teach the logic as you play, and the difficulty rises gradually toward the expert mysteries.