Sudoku.com
sudoku.com
Classic and Killer sudoku in the browser, with six difficulty levels and daily challenges
Details gathered automatically and checked on 14 November 2026. How sites are assessed

About Sudoku.com
Sudoku.com, run by Easybrain, opens straight into a playable sudoku grid. Players can choose Classic or Killer modes and pick a difficulty from Easy through to Extreme, with a three-mistake limit, a timer and hints that explain solving techniques. Daily challenges, awards, time-limited events and tournaments sit alongside rules, tips articles, a solver and printable puzzles. The interface is offered in many languages, and no sign-in appears to be needed to start playing.
Games to try
- Classic Sudoku
- Killer Sudoku
- Daily Challenges
How the advertising was measured
An automated visit on 14 November 2026, from the UK, at desktop and phone size, loading the home page and one game page. Levels are estimates: ads change from visit to visit.
- Ad networks loading
- Amazon Publisher Services, CrazyGames / Poki ads SDK, Google Ad Manager / AdSense, Outbrain, Prebid / header bidding, Primis / video
- Ad slots counted
- 0
- First screen covered by ads
- 0%
- Full-screen (interstitial) ads
- Not seen
- Video ads
- Seen
- Sound or video playing on arrival
- Not seen
Listed since 14 November 2026. Last checked 14 November 2026. Details are gathered automatically from the site itself; anything we couldn't confirm is shown as "Not yet assessed".
Pages checked
- sudoku.com/ (14 November 2026)
- sudoku.com/killer (14 November 2026)
- sudoku.com/how-to-play/ (14 November 2026)