Give your readersa daily challenge
Paste in one line of HTML code and you have a ready-made sudoku widget on your website — completely free, no registration needed. The widget updates automatically every day, works on all CMS, and supports Norwegian and English with dark and light mode.
Three steps to get started
Copy the iframe code
Copy the ready-made HTML code from the section below. It points to Sudokuen.no's free sudoku widget.
Paste it on your website
Works on WordPress, Squarespace, Webflow, Wix and all websites that support HTML. No JavaScript needed.
Boards update automatically
A new sudoku every day — in Norwegian and English, with dark and light mode. The content always stays fresh, without you doing anything.
This is what the widget looks like
Below you can see the actual sudoku widget loaded via iframe. The board automatically adapts to the width of your container.
Copy and paste, and you're done
Paste this iframe code where you want to show Sudoku on your website:
<div style="width:100%"><iframe src="https://sudokuen.no/embedded/free" width="100%" height="600" frameborder="0" style="border:none;display:block" title="Sudoku"></iframe><a href="https://sudokuen.no" style="font-size:11px;opacity:.5;float:right;margin-top:4px" target="_blank" rel="noopener">Levert av Sudokuen</a></div>Start free and upgrade when you're ready
The free plan requires no registration and is ready immediately. Premium is for newspapers and media sites that want full control.
Free
Completely free, no account needed
- Daily sudoku that updates automatically
- Random difficulty: easy, medium, hard
- Norwegian and English language support
- Dark and light mode
- Responsive design for all devices
- Works on all websites with HTML
- Backlink to Sudokuen.no
The code above is all you need
Premium
Contact us for pricing
- Everything in the free plan
- No backlink
- No ads
- Unlimited number of players
- Choose your own colors and logo
- Your own leaderboard
Interactive content that engages
Sudoku is one of the most popular brain-training activities in Norway. Websites with daily interactive content see increased time on site and a higher share of returning visitors.
Longer visit time
A daily board keeps readers active on the page, not just in the article.
Daily return
A new board every day gives people a concrete reason to come back.
Works everywhere
Responsive and optimized for mobile, tablet and desktop — with support for dark and light mode.
One line of code
No installation, no database, no JavaScript knowledge needed.
Frequently asked questions
Sudokuen.no's embed widget is a free sudoku widget that can be added to any website via a simple iframe code. The widget shows a daily updated sudoku board with random difficulty, supports Norwegian and English, dark and light mode — and is responsive and ready to use without setup.
Copy the iframe code from this page and paste it into your HTML code or content editor. Works on all platforms that support HTML, including WordPress, Squarespace, Webflow and Wix.
Yes! The free plan is completely free and requires no registration. It includes one daily sudoku board with random difficulty (easy, medium or hard), Norwegian and English language support, dark and light mode, as well as a backlink to Sudokuen.no.
Yes. The widget automatically fetches a new board every day from Sudokuen.no's servers. You don't need to do anything after installation.
Yes. The widget uses standard HTML iframe technology and works on all websites and CMS that support HTML embedding — WordPress, Squarespace, Webflow, Wix and custom-built solutions.
Yes, with the Premium plan the backlink and all ads are removed. Premium also lets you use your own colors and logo, so the widget looks like an integrated part of your website.
The free plan shows one daily board with random difficulty — easy, medium or hard. Premium provides three separate daily boards: one easy, one medium and one hard, so visitors can choose for themselves.
Yes! Sudokuen.no is built for the Norwegian market, and the widget supports both Norwegian and English. The Premium plan is especially suited for newspapers and media sites — with your own colors and logo, your own leaderboard, no ads and an unlimited number of players.
Yes. The widget has built-in support for dark and light mode and can switch between the two. The free plan includes this without extra configuration.
Yes. The widget supports both Norwegian and English, and adapts automatically. This is included in the free plan.