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PremiumCopied with an Event Pass or Pro. Free to play.
Grandmaster Grid
One hard sudoku, twenty-five minutes, one play per device. No hints beyond the rules, a clock the server keeps, and a time on the board for whoever finishes. The cleanest contest the product can run.
- Made for
- Teams and training
- Difficulty
- Hard
- Duration
- 25 min
- Steps
- 1
- Locks used
- Sudoku
What this template contains
steps 1 · Sudoku
The grid
Fill the grid. Every row, every column and every 3×3 box holds 1 to 9 exactly once. Twenty-five minutes.
Try it before you copy it
Grandmaster Grid
Fill the grid. Every row, every column and every 3×3 box holds 1 to 9 exactly once. Twenty-five minutes.
Tap a cell, then a digit. Fill every cell.
Not yet. A red cell clashes with another; the rest may be right.
How to use this template
- 1
Play it here first, exactly as your players will.
- 2
Copy it into the builder, then change the codes, the clues and the reward.
- 3
Publish and share the link or the QR code. Players need no app and no account.
Questions about this template
- Is this template free?
- Playing it is free for everyone. Copying it into your account needs an Event Pass or Pro, because it uses paid options.
- Can I change the answers and the texts?
- Yes. Every code, clue, hint and reward opens in the builder, and nothing is saved until you publish.
- What do players need?
- A phone or a computer with a browser. They open your link or scan your QR code, and never create an account.
- How long does it take to play?
- About 25 minutes, from the first lock to the reward.
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