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Puzzles and hints stay free.

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Each rank includes the benefits before it.

  1. Sergeant

    Support Sleuth

    • Ko-fi £1 / month
    • Patreon $2.50 / month

    Help keep puzzles and hints free.

    • Voluntary support. No extra features.

  2. Inspector

    Sleuth Uninterrupted

    • Ko-fi £5 / month
    • Patreon $5 / month

    No Sudoku Sleuth site ads.

    • Includes Sergeant.
    • YouTube ads can still appear.

  3. Chief Inspector

    Recommended

    Sleuth by Your Side

    • Ko-fi £10 / month
    • Patreon $10 / month

    Understand the solver’s next step.

    • Includes Inspector.
    • Unlimited explanations.
    • Up to 5 follow-up questions per step.

  4. Superintendent

    Sleuth as Your Coach

    • Ko-fi £20 / month
    • Patreon $25 / month

    Find the techniques to practise next.

    • Includes Chief Inspector.
    • Your technique profile, lesson moments and practice cases. In development.
    • Uses your moves and timing with your permission.

Already Free

Puzzles, three-stage hints and public videos.

Where to look. A question. The answer.

Sign in for 3 explained steps a day.

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  1. Choose a rank on Ko-fi or Patreon.
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  3. Link your membership in Your account.
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Questions

Cancel any time on Ko-fi or Patreon. Your rank stays until your paid period ends.
It connects your membership to your Sudoku Sleuth account so your rank works here.