Sudoku Generator (Difficulty Selectable)

Generates a random valid puzzle by solving + clearing N cells.

About this tool

Sudoku Generator (Difficulty Selectable) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Word & Puzzle Games. Browse more Word & Puzzle Games tools.