Full Board Mastery

Mini Sudoku 9x9 Generator

Run standard 9x9 games, analyse solves, and climb competitive leaderboards without leaving the browser.

Start a classic boardAnalyse your solve path
Standard

Authentic gameplay

Pure 3x3 box sudoku with handcrafted seeds that respect classic difficulty gradients.

Analytics

Solve analytics

Track time splits, hint usage, and consistent weak spots in your game.

Endgame

Endgame trainer

Flip into endgame mode to practise late-stage singles and hidden pairs.

Playground

Tackle a 9x9 classic now

Choose difficulty, enable the clock, and see how our solver-grade engine keeps the challenge fair.

Generating a new puzzle with Goms...

Planned upgrades

We are building tooling for serious 9x9 competitors.

  • Tournament ladders

    Weekly leaderboards and Swiss brackets for community events.

  • Pencilmark helper

    Optional candidate annotations with smart clearing when numbers are placed.

  • Hardcore packs

    Unlock diabolical boards with minimal givens and advanced logic requirements.

Speed-solving pointers

Use these reminders to keep accuracy high as you push the timer.

  • 1.Clear the easy singles in each 3x3 box before diving into advanced patterns.
  • 2.Use pencilmarks to document possibilities on tricky rows and columns.
  • 3.Review analytics after each run to target the logic steps slowing you down.