GamesTechnically checked

Nosku - Offline Sudoku

A chalkboard-style Sudoku game with 200 offline puzzles across four difficulty levels.

APP OVERVIEW

What is Nosku - Offline Sudoku and who is it for?

Nosku is a Sudoku puzzle game with a chalkboard visual style. It comes with 200 preloaded puzzles spread across four difficulty levels, so there is no need to download anything to start playing. The game runs fully offline and includes no ads, notifications or telemetry. Shortcuts let you jump straight into a new Easy or Medium puzzle, or resume the one you left in progress.

A chalkboard-style Sudoku game with 200 offline puzzles across four difficulty levels.

What you can do

New Easy puzzle: Jump straight into a new Easy puzzle
New Medium puzzle: Jump straight into a new Medium puzzle
Continue last puzzle: Resume your most recent in-progress puzzle
Play from a set of 200 preloaded puzzles in four difficulty levels.

Publisher / site: luruf.github.io
Category: Games
Platforms: Web
Languages detected: en

APP PREVIEWS

See Nosku - Offline Sudoku before you open it.

Browse the available app previews. Select any image to open a larger view.

BEST FOR

Decide whether Nosku - Offline Sudoku fits your needs.

Useful for

Play from a set of 200 preloaded puzzles in four difficulty levels.
Start a new Easy or Medium puzzle directly from a shortcut.
Resume your most recent in-progress puzzle.
Play without ads, notifications or telemetry.

Before you choose

Available on Web

INSTALL GUIDE

Install Nosku - Offline Sudoku from its official site.

1
Open the official web app
Use the Open site button above in a current version of Chrome, Edge or Safari.
2
Choose the browser install action
Select Install app, or use Add to Home Screen from the browser share or main menu.
3
Confirm and launch
The installed app opens from the device launcher. Browser and platform support can vary.

PWA AUDIT

How well does Nosku - Offline Sudoku work as an installed app?

The product overview above helps you choose the service. This independent technical section checks its install experience, browser integration and current PWA signals.

CAPABILITY REPORT

Detected web app capabilities.

DeclaredDetectedVerifiedNot found

declared

Standalone app window

Requests the “standalone” display mode when launched.

experience

declared

Advanced window modes

Preferred modes: window-controls-overlay, standalone.

experience

declared

Preferred screen orientation

Requests portrait-primary orientation.

experience

not found

Custom launch behavior

Controls how repeated launches reuse or create app windows.

experience

detected

Service worker detected

Registration appears in the page source; offline behavior still needs a runtime test.

experience

declared

3 app shortcuts

Quick actions can appear from the installed app icon.

integration

not found

Share target

Can receive content from the operating system share sheet.

integration

not found

File handlers

Can register supported file types with the operating system.

integration

not found

Protocol handlers

Can open supported custom link protocols.

integration

not found

Related native app

Links the PWA to a related application on another platform.

integration

declared

5 install previews

Screenshots can be shown in richer installation prompts.

presentation

declared

Adaptive Android icon

A maskable icon can fill different launcher icon shapes.

presentation

not found

Monochrome icon

Provides a themed single-color icon for supported surfaces.

presentation

APP IDENTITYExplicit manifest IDhttps://luruf.github.io/

LAUNCH SCOPEstandalone display modehttps://luruf.github.io/nosku/

Secure contextHTTPSpass

Web app manifestValid JSONpass

App nameDeclaredpass

Start URLDeclaredpass

App display modestandalonepass

Large app icon512px icon foundpass

Adaptive app iconMaskable icon declaredpass

Install previews5 screenshots declaredpass

Service workerRegistration detected; offline behavior is unverifiedpass

MANIFEST SHORTCUTSNew Easy puzzleJump straight into a new Easy puzzle New Medium puzzleJump straight into a new Medium puzzle Continue last puzzleResume your most recent in-progress puzzle

Works on

Web

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