# MathDoku

> Sudoko with a mathematical twist - use math challenges to help solve the puzzle.

Canonical page: [https://chrome-stats.com/d/net.cactii.mathdoku](https://chrome-stats.com/d/net.cactii.mathdoku)

## Overview

- **ID:** `net.cactii.mathdoku`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Ben Buxton
- **Category:** GAME\_PUZZLE
- **Downloads:** 252,499
- **Rating:** 4.38 / 5 (2,156 ratings)
- **Version:** 2.14
- **Last updated:** 2024-09-23
- **First published:** 2024-09-23
- **Publisher country:** AU
- **Size:** 590 KB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=net.cactii.mathdoku)
- **Website:** [http://mathdoku.org/](http://mathdoku.org/)
- **Privacy policy:** [https://raw.githubusercontent.com/buxtronix/mathdoku/master/PRIVACY.txt](https://raw.githubusercontent.com/buxtronix/mathdoku/master/PRIVACY.txt)

## Description

MathDoku is an engaging puzzle game that combines the classic Sudoku format with unique mathematical challenges, inspired by the popular KenKen™ game known from the New York Times and The Times (UK). Players solve puzzles by applying mathematical operations within defined cages, elevating traditional Sudoku with arithmetic twists.

This Chrome extension offers a stimulating experience for logic and math enthusiasts, providing open-source code under the GPL license. Developed by Ben Buxton and Paul Dingemans, with contributions from several creators, MathDoku sharpens problem-solving skills while delivering fun and challenging gameplay.

## Rankings

- #142,032 — Overall

## Review summary

MathDoku is beloved for offline, ad-free puzzle play and a long-running, highly replayable experience with customization. However, several reviews note post-update stability and UI issues, including crashes after finishing games, half-screen displays, and missing statistics. Overall, the app remains popular with fans who value a lightweight, problem-solving, offline title despite these update-related drawbacks.

### Pros

- Offline play / works without internet
- Ad-free experience with no in-app purchases
- Strong long-term engagement and high replay value (thousands of games across years)
- Highly customizable puzzle options and interface
- Lightweight design with minimal graphics and open-source feel

### Cons

- Post-update stability issues: crashes or unresponsiveness after finishing a game
- Display/UI problems after updates: half-screen rendering and keypad not visible in portrait
- Loss of historical statistics after updates

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Source: [Chrome-Stats](https://chrome-stats.com/d/net.cactii.mathdoku)