The Sudoku Maker

The daily return visit and user habit no ad budget or editorial calendar can buy.

Riddle minigames average 6+ minutes per session. Just a grid, a timer, and the quiet satisfaction of finishing. Ship a branded Sudoku on your site and own the daily habit your competitors are missing.

No coding. Fully customizable. Brand-ready.

Create a Sudoku Book a demo

No credit card required. 14-day free trial.

2:48

average engagement time on Riddle content

73.4%

start → finish conversion rate

28.6%

lead form opt-in rate

3.02×

engagement vs. standard web pages

Source: Riddle 2025 Quiz Marketing Report · 8.96 billion platform data points. Numbers are platform-wide across Riddle’s interactive formats.

Why Sudoku works

The habit is already there. Millions solve Sudoku every day. Give them a better place to play it.

Sessions that last. 6+ minutes per session on Riddle minigames. Readers sit and finish.

Daily return visits, by design. A fresh puzzle every day plus a leaderboard brings readers back tomorrow.

Leads from players mid-flow. Gate hints or solutions behind an opt-in. Lead forms convert at 28.6% on average.

Sponsored content that earns attention. Brand the theme and the grid. Players spend focused minutes inside it.

Play one yourself

This is a live Riddle Sudoku. The exact same embed you’d ship on your site. Fill in a few numbers. Notice how you want to finish the grid. That’s the habit your readers will build too.

Hooked already? Build your own Sudoku in minutes.

How to use Sudoku

Newsletter-gated puzzles.

Put a daily Sudoku behind a lightweight opt-in on a landing page or pop-up. Readers exchange an email for access. You get a lead from someone already motivated enough to play.

Sudoku puzzle embedded in an article to increase session time and engagement

On-article session time.

Drop a themed Sudoku into a long-form article or sponsored post. Readers stop scrolling and start solving. Average session time climbs. Sponsor value follows.

Sudoku puzzles in easy, medium, and expert difficulty tiers for audience campaigns

Skill-tiered audience campaigns.

Offer easy, medium, and expert grids in the same campaign. Players self-select their level. You learn exactly which audience segments are most engaged and have the highest intent. Works just as well with Minesweeper skill tiers.

Daily Sudoku challenge with a leaderboard driving recurring return visits

Daily challenges.

Publish a new puzzle every day. Fresh content, consistent return visits. Add a leaderboard so players race for top times and keep coming back to defend their ranking. Pair it with a daily Crossword and own your readers’ puzzle break.

Build Sudoku puzzles your audience comes back to solve every day

Riddle no-code builder interface for creating a Sudoku puzzle

No-code Sudoku Maker.

Build a full Sudoku puzzle in your browser. Grid size, difficulty, reveal logic. No dev tickets. No release cycle. Live in under 10 minutes.

Sudoku Maker settings panel with options for difficulty, grid size, and hints

Customize every puzzle.

Control difficulty, grid size, hints, and time limits. Tune each puzzle to the reader you’re building it for, from a casual morning warm-up to a weekly expert challenge.

Branded Sudoku.

Drop in your logo, set your fonts, match your colors. Or go deeper with custom CSS. The finished puzzle looks like it’s always been part of your site. Because it is.

What is an online Sudoku game?

An online Sudoku game is a logic-based number puzzle where players complete a grid without repeating digits in any row, column, or box. It drives long sessions, focused engagement, and strong daily return rates.

Do you need coding skills to use Riddle’s Sudoku maker?

No coding is required. Riddle’s visual no-code builder lets you configure and publish a fully branded Sudoku puzzle in minutes, with no developers involved.

Can I embed a Sudoku puzzle on my website?

Yes. Riddle’s universal embed code works with any CMS, site builder, or app. There’s also a dedicated WordPress plugin for one-click publishing into your posts and pages.

How do I collect leads using a Sudoku puzzle?

Add a Riddle opt-in form before gameplay, before unlocking hints, or before revealing the solution. Players are engaged and mid-flow, and conversion rates reflect that.

How can Sudoku puzzles be used for sponsored campaigns?

Brands can own the puzzle theme, the grid aesthetic, and any prize mechanic. Players spend focused minutes inside a branded experience. That’s the kind of attention sponsors pay for.

Can I control the difficulty of the Sudoku puzzle?

Yes. Riddle’s Sudoku generator lets you create puzzles across multiple difficulty levels, from quick beginner grids to punishing expert challenges, so every audience finds the right level.

How much does Riddle cost?

Riddle offers Pro, Business, and Enterprise plans for different team sizes and content needs. You can start with a 14-day free trial without a credit card. Full plan details are on our pricing page.

Sudoku is not the only minigame

Every Riddle minigame comes with the same no-code builder, full branding, and lead capture built in.

Crossword Minesweeper Slot Machine Wheel of Fortune

What our clients say

Riddle helps our Children's interactive team to quickly create engaging content that provide compelling data insights about our audience.

We were looking for ways to increase engagement with our audience and we decided to work with Riddle. Our content team love Riddle and our Quizzes are getting 35% more page views and 40% more time on site after the first month.