Classic Sudoku PC · Windows desktop app

Classic Sudoku, Free on Windows

No ads. No internet. No subscriptions.

Download free for Windows

Windows 10 / 1164-bitFree · No ads · Plays offline

Classic Sudoku PC

What you get

Everything a Sudoku player needs

Classic puzzles, modern polish — no distractions.

Zero Ads

Solve puzzles without a single ad. No banners, no interruptions.

Fully Offline

Works without internet. Install once and play forever.

Three Difficulties

Easy, medium, and hard — pick your challenge and track your best time.

Pencil marks support
Smart hints
Best time tracking
Auto-save progress
Unlimited undo
Conflict highlighting

How it works

Two steps, then you're solving

Download installer

Run the installer — takes under a minute. No account needed.

Solve your first puzzle

Open Classic Sudoku PC from the Start menu and pick a difficulty.

Windows 10 or 1164-bit2 GB RAM50 MB disk

Before you download

Questions people ask

Is it really free?

The app is free: no trial, no subscription, no ads, no account with us.

Is the download safe?

The installer is published by the company listed in the footer. When Windows shows the file details, the publisher name should match. If it doesn't, don't run it and contact us.

Why does Windows show a warning when I open it?

Windows SmartScreen warns about apps it hasn't seen many times yet. Click More info, check the app name and publisher match what's shown on this page, then click Run anyway.

Does it work without internet?

Yes — once installed, no internet connection is ever needed. Solve puzzles offline anywhere.

What exactly gets installed?

One application plus a Start-menu entry. No browser extensions, no toolbars, no additional software.

How do I uninstall it?

Settings → Apps → Installed apps → Classic Sudoku PC → Uninstall. Step-by-step guide.

Start solving Sudoku today

Free download · No ads · No internet needed

Download free for Windows

Windows 10 / 1164-bitFree · No ads · Plays offline