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StraightUpPuzzle

Game Size Level

0:00

Tools

Enter

Click a cell, then a number. Hold a cell or number for notes (or use Alt / Notes mode). Arrows move the grid focus.

Legend

Given
Your entry
Notes / candidates
Conflict
Calcudoku cage

Shortcuts

1–9 / A–F: Enter digit
N: Toggle notes
Alt+digit: Toggle one note
Backspace: Erase
Arrows: Move selection
Ctrl+Z: Undo