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Android Apps > Puzzle > Tridoku
Tridoku icon

Tridoku

by Stanley Lam · Puzzle · Free
On Google Play since June 2017 · Data updated 2026-10-11
Google Play

Tridoku is made and published by Stanley Lam. AppBrain is an independent app data site and isn't affiliated with Stanley Lam. The app name, icon, screenshots and description belong to Stanley Lam and are shown as published on Google Play.

AppBrain's verdict

EstablishedNiche
Installs
4.2 thousand
Last updated
May 7, 2026
Ads
Contains ads
Size
6.87 MB

Tridoku is a niche app, with 4.2 thousand installs. It doesn't have enough ratings yet to judge what users think.

User feedback

Ratings and reviews on Google Play

Comments on Tridoku for Android

★★★★★ Laurie Pevytoe · Aug 17, 2020
Love this game alot but can't see the tiny pencil numbers. Wish I could zoom. Otherwise, it is a wonderful site.
★★★★★ Patricia Mischler · Nov 19, 2017
Please provide more puzzles, even if they are published on paper in book format only.

Store listing

By Stanley Lam, from Google Play

“Triangle Sudoku Variant”

Tridoku Screenshot 1 of 6
Tridoku Screenshot 2 of 6
Tridoku Screenshot 3 of 6
Tridoku Screenshot 4 of 6
Tridoku Screenshot 5 of 6
Tridoku Screenshot 6 of 6
Screenshots by Stanley Lam, from the Google Play listing
Description by Stanley Lam Written by the developer, not by AppBrain. Click to read.
Tridoku puzzles contains 9 large triangles.

Rules:
1. The numbers 1 to 9 must be placed into each large triange.
2. Each of the three legs of the inner shaded triangle must contains numbers 1 to 9
3. Each of the three legs of the outer shaded triangle must contains numbers 1 to 9
4. No two neighboring (touching) cells may contain the same numbers

**** Tridoku features ****

# Content
- 5 difficulty levels
- Unlimited Mode generates random puzzles

# Features
- "Hint" auto fills the board with memo that has no direct conflicts with other numbers
- Highlight same numbers as you select a number on board
- Autosave the process of unfinished levels
- Record best completion time for each level
- Try to complete as many levels as possible

Recent changes:
- Bug fixes and performance improvements
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
23
App size
6.87 MB
Needs Android
4.0+
Content rating
Everyone

Technologies used by Tridoku

13 permissions · 23 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.0.22
Launched
June 2017
  • May 7, 2026UpdateVersion 1.0.22
  • Jul 2, 2025UpdateVersion 1.0.21
  • Dec 23, 2024UpdateVersion 1.0.20
  • May 3, 2024UpdateVersion 1.0.19
  • Aug 5, 2023UpdateVersion 1.0.18
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
9
Play install range
1+ thousand
Launched
June 2017

Installs over time

Tridoku has been installed 4.2 thousand times. Over the past 30 days, it has been installed 9 times.

Rankings

Google Play top charts

Google Play Rankings for Tridoku

This app is not ranked

About the app and developer

About Tridoku

Tridoku is a puzzle app developed by Stanley Lam.

Install Statistics

Tridoku has been installed 4.2 thousand times. In the last 30 days, the app was installed 9 times.

User Ratings

The app has no ratings yet.

App Information

Tridoku is freely available from Google Play. The app size is 6.87 MB. The latest version available is 1.0.22. The last update was on May 7, 2026.

Technical Requirements

Tridoku requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since June 2017.

App Performance Report

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Developer information for Stanley Lam

Stanley Lam

brightskygames@me.com

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Overview Alternatives History Reviews Rankings Technology
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