UNLIMITED NUMBER PLACEMENT

Generating…

TIME00:00 HINTS0 MISTAKES0

Keyboard: 1–9 enter · N notes · Backspace erase · H hint · arrows move

Two classics. One calm desk.Read the grid, find the certainty.

TODAY'S BREAK

Today’s reproducible puzzle is generated locally from a shared seed and checked for one solution.

CHALLENGE A FRIEND

Every generated grid has a portable code. Share the exact puzzle—no login, puzzle server or finite catalogue required.

Generating… LOAD CODE OR LINK

YOUR DESK

0Solved

0Day streak

—Best time

Sudoku 0Kakuro 0 Clean 0No hints 0 Longest streak 0

MASTERY

Badges recognize clean, varied and expert solving. There is no currency, grind track or paid shortcut.

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